{"id":49800,"date":"2022-12-12T13:11:30","date_gmt":"2022-12-12T13:11:30","guid":{"rendered":"https:\/\/dev.metos.global\/?page_id=49800"},"modified":"2026-05-04T10:33:45","modified_gmt":"2026-05-04T10:33:45","slug":"disease-models-strawberry","status":"publish","type":"page","link":"https:\/\/metos.global\/it\/disease-models-strawberry\/","title":{"rendered":"Modelli di malattia - fragola"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"49800\" class=\"elementor elementor-49800\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-92cddf0 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"92cddf0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7ee151e\" data-id=\"7ee151e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f91e38 elementor-widget elementor-widget-image\" data-id=\"2f91e38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"350\" src=\"https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry.png\" class=\"attachment-full size-full wp-image-49651\" alt=\"Modelli di malattia - fragola\" srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry.png 1920w, https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry-300x55.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry-1024x187.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry-768x140.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry-1536x280.png 1536w, https:\/\/metos.global\/wp-content\/uploads\/2022\/12\/Disease-Models-strawberry-18x3.png 18w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9bdda49 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9bdda49\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6a331a1\" data-id=\"6a331a1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-919fbec elementor-widget elementor-widget-heading\" data-id=\"919fbec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Fragola<\/b> modelli di malattia\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1c2fc55 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1c2fc55\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a62d9cc\" data-id=\"a62d9cc\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17d9575 elementor-widget elementor-widget-heading\" data-id=\"17d9575\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"#Colletotrichum\">ANTRACNOSO - <\/br><em>Colletotrichum acutatum<\/em><\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-db5ea6d\" data-id=\"db5ea6d\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c5f1b8 elementor-widget elementor-widget-heading\" data-id=\"0c5f1b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"#powdery-mildew\">OIDIO -<\/br><em>Podosphaera aphanis<\/em><\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-001df9a\" data-id=\"001df9a\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-800a798 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"800a798\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5effcaa\" data-id=\"5effcaa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d7e2201 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d7e2201\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"#recommended-equipment\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Attrezzatura consigliata<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-24b8821 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24b8821\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcb40a0\" data-id=\"dcb40a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75462f1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"75462f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c998f41 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c998f41\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-65375c3\" data-id=\"65375c3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3eaa232 elementor-widget elementor-widget-menu-anchor\" data-id=\"3eaa232\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"Colletotrichum\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5eb7a40 elementor-widget elementor-widget-heading\" data-id=\"5eb7a40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Antracnosi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95dca5e elementor-widget elementor-widget-text-editor\" data-id=\"95dca5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Agente patogeno<\/h3><p>L'antracnosi delle fragole, causata da <em>Colletotrichum acutatum<\/em>Si manifesta con lesioni nere e infossate su fusti, steli e frutti. Questa malattia fungina colpisce tutte le parti della pianta, compresa la chioma, le radici, i piccioli e gli steli.<\/p><p>La malattia pu\u00f2 svilupparsi rapidamente in condizioni favorevoli, con fino a 90% dei frutti potenzialmente infetti entro una settimana o meno. Sia i frutti immaturi che quelli maturi sono suscettibili all'infezione, ma la malattia \u00e8 pi\u00f9 diffusa nei frutti in maturazione o completamente maturi. Le piante infette o i detriti vegetali possono fungere da fonti di inoculo per lo svernamento. In primavera, le spore vengono prodotte e disperse dalla pioggia e dal vento su distanze relativamente brevi.<\/p><p>Il patogeno entra nella pianta attraverso un appressorio, che penetra nella cuticola e invade le cellule epidermiche. Inizialmente, <em>C. acutatum<\/em> Il fungo \u00e8 presente in una fase biotrofica e passa a una fase necrotrofica, in cui prolifera all'interno delle cellule morte. Con il progredire della malattia, il fungo forma strutture di acervuli sotto le pareti cellulari epidermiche. Questi acervuli maturano e rilasciano conidi, che diffondono la malattia pi\u00f9 rapidamente, soprattutto in caso di pioggia. I conidi secondari rappresentano anche una fonte di inoculo importante.<br \/>Sintomi<\/p><p>I sintomi si manifestano dapprima con l'appassimento delle foglie pi\u00f9 giovani, che possono temporaneamente riprendersi ma presto muoiono. Sulle foglie compaiono macchie nere irregolari, soprattutto sulla punta delle foglioline.<\/p><p>Il tessuto della chioma presenta una colorazione rossastra che alla fine diventa marrone scuro o nera con il deterioramento della pianta. Le chiome infette sono spesso parzialmente danneggiate, con una crescita stentata ma non la morte completa della pianta. In genere si infetta solo un lato della chioma, piuttosto che l'intera corona.<\/p><p>Sui piccioli e sugli steli delle piante da frutto si formano lesioni scure e allungate. I piccioli e gli steli colpiti possono essere avvolti dalle lesioni, causando l'appassimento e la morte delle foglie o di intere piante figlie.<\/p><p>I frutti possono essere infettati in qualsiasi fase dello sviluppo, indurendosi e diventando marroni. Sui frutti maturi si sviluppano lesioni scure e infossate, che portano alla mummificazione anzich\u00e9 alla maturazione. I frutti possono anche apparire ricoperti da masse di conidi di colore rosa o salmone.<\/p><h3>Modello FieldClimate<\/h3><p><strong>Modello generale di antracnosi<\/strong><br \/><img decoding=\"async\" class=\"aligncenter wp-image-62239 size-large lazyload\" data-src=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model-1024x338.png\" alt=\"\" width=\"1024\" height=\"338\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model-1024x338.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model-300x99.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model-768x253.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model-18x6.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/General-Anthracnose-Model.png 1426w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/338;\" \/><br \/>Sensori necessari:<\/p><ul><li>Temperatura dell'aria<\/li><li>Bagnatura delle foglie<\/li><\/ul><p><em>C. acutatum<\/em> infetta le piante a temperature comprese tra 15\u00b0C e 30\u00b0C, ma \u00e8 necessario un periodo di bagnatura fogliare di lunga durata. A temperature ottimali comprese tra 20\u00b0C e 25\u00b0C, \u00e8 necessario un periodo di bagnatura fogliare di 12 ore. Quando il grafico dell'infezione raggiunge 100%, in campo si verificano le condizioni ottimali per un'infezione.<\/p><h3>Letteratura<\/h3><ul><li>Aljawasim, B. D., Samtani, J. B., &amp; Rahman, M. (2023). Nuove intuizioni nel rilevamento e nella gestione delle malattie da antracnosi nelle fragole. Plants, 12(21), 3704.<\/li><li>Ellis, M. A., &amp; Erincik, O. (2008). Antracnosi della fragola. L'Estensione dell'Universit\u00e0 dello Stato dell'Ohio.<\/li><li>Smith, B. J. (2008). Epidemiologia e patologia dell'antracnosi della fragola: una prospettiva nordamericana. HortScience, 43(1), 69-73.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9ffaad0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9ffaad0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-10b5be0\" data-id=\"10b5be0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6fd397c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6fd397c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c92ae7c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c92ae7c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4f3cb38\" data-id=\"4f3cb38\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc44e07 elementor-widget elementor-widget-menu-anchor\" data-id=\"bc44e07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"powdery-mildew\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a97653 elementor-widget elementor-widget-heading\" data-id=\"6a97653\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Oidio<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-248d77e elementor-widget elementor-widget-text-editor\" data-id=\"248d77e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Agente patogeno<\/h3><figure id=\"attachment_62276\" aria-describedby=\"caption-attachment-62276\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-62276 size-full lazyload\" data-src=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Powdery-mildew-cherry.png\" alt=\"\" width=\"850\" height=\"538\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Powdery-mildew-cherry.png 850w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Powdery-mildew-cherry-300x190.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Powdery-mildew-cherry-768x486.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Powdery-mildew-cherry-18x12.png 18w\" data-sizes=\"(max-width: 850px) 100vw, 850px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 850px; --smush-placeholder-aspect-ratio: 850\/538;\" \/><figcaption id=\"caption-attachment-62276\" class=\"wp-caption-text\">Fonte: XiaoLei et al<\/figcaption><\/figure><p><br \/>L'agente patogeno dell'oidio nelle fragole \u00e8 <em>Podosphaera aphanis<\/em>. Sverna in due forme: micelio e cleistoteci.<\/p><p>Il micelio svernante si attiva in primavera, producendo conidiofori che, una volta maturi, rilasciano conidi (spore riproduttive asessuate). I conidi atterrano su un nuovo tessuto, germinano e formano le appressorie, strutture specializzate per l'infezione che penetrano nelle cellule vegetali. Il processo porta alla formazione di nuove colonie.<\/p><p>La Cleistothecia rilascia ascospore (spore riproduttive sessuali) da marzo a maggio. Le ascospore atterrano anche su nuovi tessuti, germinano e formano nuove colonie.<\/p><p>Sia il micelio che i conidi fungono da inoculo primario. Le infezioni secondarie avvengono per lo pi\u00f9 attraverso i conidi, che vengono dispersi dal vento e si diffondono rapidamente.<\/p><p>Quando le condizioni ambientali diventano meno favorevoli, il fungo passa alla riproduzione sessuale - formazione di cleistoteci - e il ciclo si ripete quando gli inoculi svernano.<\/p><h3>Sintomi<\/h3><p>Le macchie polverose bianche di miceli e conidi compaiono su tutte le parti aeree e si aggregano, ricoprendo l'intera superficie. Gli organi giovani sono pi\u00f9 sensibili di quelli vecchi. Per quanto riguarda le foglie, la parte superiore presenta un oidio maggiore rispetto alla parte inferiore. Le infezioni gravi causano una riduzione della fotosintesi, la defogliazione e la deformazione dei frutti. Con lo sviluppo della malattia, la foglia si arriccia verso l'alto e si formano macchie da viola a rossastre sulla superficie fogliare.<\/p><h3>Modelli FieldClimate<\/h3><p><strong>Modello Gubler modificato da Broome<\/strong><br \/><img decoding=\"async\" class=\"aligncenter size-large wp-image-62244 lazyload\" data-src=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model-1024x398.png\" alt=\"\" width=\"1024\" height=\"398\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model-1024x398.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model-300x117.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model-768x299.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model-18x7.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Broome-modified-Gubler-Model.png 1339w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/398;\" \/><br \/>Sensori necessari:<\/p><ul><li>Temperatura dell'aria<\/li><\/ul><p>Il modello si basa sul quadro di Gubler con modifiche alle soglie di alta temperatura introdotte da Broome. Calcola il rischio con la temperatura dell'aria e l'indice di rischio varia da 0 a 100. Per attivare l'indice sono necessari tre giorni consecutivi con oltre 6 ore di temperature tra 21\u00b0C e 30\u00b0C. Per far scattare l'indice sono necessari tre giorni consecutivi con oltre 6 ore di temperature comprese tra 21\u00b0C e 30\u00b0C.<\/p><p>L'indice aumenta di 20 punti per ogni giorno che soddisfa queste condizioni (un minimo di 6 ore a 21\u00b0C a 30\u00b0C). Al contrario, se una giornata trascorre meno di 6 ore in questo intervallo di temperatura o se la temperatura supera i 35\u00b0C, l'indice diminuisce di 10 punti.<\/p><figure id=\"attachment_62245\" aria-describedby=\"caption-attachment-62245\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-62245 size-large lazyload\" data-src=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-1024x167.png\" alt=\"\" width=\"1024\" height=\"167\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-1024x167.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-300x49.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-768x125.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-1536x251.png 1536w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-18x3.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry.png 1563w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/167;\" \/><figcaption id=\"caption-attachment-62245\" class=\"wp-caption-text\">Fonte: Broome et al<\/figcaption><\/figure><p><br \/>Il modello originale di Gubler stabiliva una soglia di 35\u00b0C per 0,35 ore, ma Broome ha introdotto diverse soglie dettagliate per le alte temperature. Quando vengono raggiunte temperature specifiche (34\u00b0C, 36\u00b0C e 38\u00b0C) per una durata sufficiente, vengono sottratti punti. Inoltre, il modello tiene conto del ritardo nella crescita fungina; qualsiasi aumento dell'indice nel giorno successivo viene ritardato di diversi giorni e vengono sottratti cinque punti in pi\u00f9 per ogni giorno di ritardo.<\/p><p>Un indice inferiore a 30 indica un tasso di riproduzione di 15 giorni o meno, mentre un indice di 40~50 \u00e8 considerato normale e implica un tasso di riproduzione di 8-11 giorni. Un indice superiore a 60 indica che il patogeno si riproduce ogni 5 giorni e si consiglia di ridurre l'intervallo di irrorazione.<\/p><p><strong>Modello di muffa polverosa delle fragole<\/strong><br \/><img decoding=\"async\" class=\"aligncenter size-large wp-image-62246 lazyload\" data-src=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model-1024x297.png\" alt=\"\" width=\"1024\" height=\"297\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model-1024x297.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model-300x87.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model-768x223.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model-18x5.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2025\/02\/Strawberry-Powdery-Mildew-Model.png 1465w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/297;\" \/><\/p><p>Sensori necessari:<\/p><ul><li>Temperatura dell'aria<\/li><li>Umidit\u00e0 relativa<\/li><li>Bagnatura delle foglie<\/li><\/ul><p>Questo modello include l'umidit\u00e0 fogliare e l'umidit\u00e0 relativa in un altro modello. Le temperature dell'aria superiori a 21\u00b0C e l'umidit\u00e0 relativa superiore a 66% aumentano il rischio, mentre le temperature pi\u00f9 basse, l'umidit\u00e0 relativa e la bagnatura delle foglie lo diminuiscono.<\/p><p>L'indice di rischio inferiore a 60 indica misure di protezione delle piante di basso livello, mentre il rischio superiore a 60 indica un aumento del rischio di malattia e si raccomanda l'irrorazione. Rischi di malattia pari a 100 per un periodo pi\u00f9 lungo richiedono un aumento della densit\u00e0 di applicazione.<\/p><h3>Letteratura<\/h3><ul><li>Broome, J. C., Hand, E. K., Backup, P., Janousek, C. N., &amp; Gubler, W. D. (2010, giugno). Revisione della soglia di alta temperatura per l'indice di rischio di oidio della vite di Gubler-Thomas. In PHYTOPATHOLOGY (Vol. 100, No. 6, pp. S17-S18). 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA: AMER PHYTOPATHOLOGICAL SOC.<\/li><li>Gadoury, D. M., Asalf, B., Heidenreich, M. C., Herrero, M. L., Welser, M. J., Seem, R. C., ... &amp; Stensvand, A. (2010). Iniziazione, sviluppo e sopravvivenza dei cleistoteci di Podosphaera aphanis e loro ruolo nell'epidemiologia dell'oidio della fragola. Fitopatologia, 100(3), 246-251.<\/li><li>Jin XiaoLei, J. X., Fitt, B. D. L., Hall, A. M., &amp; Huang YongJu, H. Y. (2013). Il ruolo dei chasmothecia nell'avvio delle epidemie di oidio (Podospheara aphanis) e il ruolo del silicio nel controllo delle epidemie su fragola.<\/li><li>Palmer, S. A. (2007). Oidio della fragola: epidemiologia ed effetto della nutrizione dell'ospite sulla malattia (tesi di dottorato).<\/li><li>Aldrighetti, A., &amp; Pertot, I. (2023). Epidemiologia e controllo dell'oidio della fragola: una rassegna. Phytopathologia Mediterranea, 62(3), 427-453.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-576de36 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"576de36\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-67ea309\" data-id=\"67ea309\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd2dbd9 elementor-widget elementor-widget-menu-anchor\" data-id=\"fd2dbd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"recommended-equipment\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63fa35f elementor-widget elementor-widget-heading\" data-id=\"63fa35f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Attrezzatura consigliata<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2bf5ff1 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2bf5ff1\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-6bf79b0\" data-id=\"6bf79b0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-efcb3f5 elementor-widget elementor-widget-text-editor\" data-id=\"efcb3f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b><i>Verificare quale set di sensori \u00e8 necessario per monitorare le potenziali malattie di questa coltura.<\/i><\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-0ac7711\" data-id=\"0ac7711\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-522ecf6 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"522ecf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"\/wp-content\/uploads\/2022\/07\/Crop-solutions-document_2022.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SCARICA IL FOGLIO DI CALCOLO<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Strawberry disease models ANTHRACNOSE &#8211; Colletotrichum acutatum POWDERY MILDEW \u2013Podosphaera aphanis Recommended equipment Anthracnose Pathogen Anthracnose in strawberries, caused by Colletotrichum acutatum, manifests as black, sunken lesions on stems, runners, and fruits. This fungal disease affects all parts of the plant, including the crown, roots, petioles, and runners. The disease can develop rapidly under favorable [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-49800","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Disease models - strawberry - METOS by Pessl Instruments<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/metos.global\/it\/disease-models-strawberry\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Disease models - strawberry - METOS by Pessl Instruments\" \/>\n<meta property=\"og:description\" content=\"Strawberry disease models ANTHRACNOSE &#8211; Colletotrichum acutatum POWDERY MILDEW \u2013Podosphaera aphanis Recommended equipment Anthracnose Pathogen Anthracnose in strawberries, caused by Colletotrichum acutatum, manifests as black, sunken lesions on stems, runners, and fruits. This fungal disease affects all parts of the plant, including the crown, roots, petioles, and runners. 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