{"id":35893,"date":"2024-04-03T08:30:17","date_gmt":"2024-04-03T08:30:17","guid":{"rendered":"https:\/\/dev.rovensanext.com\/?p=35893"},"modified":"2024-05-27T16:30:04","modified_gmt":"2024-05-27T16:30:04","slug":"powdery-mildew-understanding-and-treating-this-fungal-disease","status":"publish","type":"post","link":"https:\/\/www.rovensanext.com\/en\/news\/articles\/powdery-mildew-understanding-and-treating-this-fungal-disease\/","title":{"rendered":"Powdery mildew: understanding and treating this fungal disease"},"content":{"rendered":"<h3><b><span data-contrast=\"auto\">Powdery mildew: understanding and treating this fungal disease<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\"><strong>Powdery mildew<\/strong> is a fungal disease that threatens a broad spectrum of crops, resulting in the appearance of a distinctive white powdery coating on plant leaves, stems and flowers. Although, it appears on the surface of crops, this fungal affliction can have <strong>profound consequences on plant health, appearance and performance<\/strong>, especially in grapes, apples, cucurbits, tomatoes and strawberries. The regions that are most adversely affected by powdery mildew include major agricultural areas in North America, Europe and Asia.<\/span><span data-contrast=\"auto\"><sup>1<\/sup><\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">What is powdery mildew?<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Powdery mildew is caused by many different species of ascomycete fungi in the <\/span><i><span data-contrast=\"auto\">Erysiphales order<\/span><\/i><span data-contrast=\"auto\">. This <strong>fungal disease targets various parts of plants<\/strong> including their foliage, stems, flowers and fruits. The most characteristic symptom is the formation of <strong>superficial fungal growth<\/strong> that creates a dusty white covering on the plant&#8217;s surface.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The<strong> environmental conditions<\/strong> that are conducive to the formation of powdery mildew are similar to those of other fungi:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\"><strong> Relative humidity between 40% and 80%<\/strong>; the damper the conditions, the faster the fungus proliferates.<\/span><\/li>\n<li><span data-contrast=\"auto\"><strong> Mild temperatures between 17\u00baC and 28\u00baC<\/strong>; temperatures above 40\u00baC halt its development.<\/span><\/li>\n<li><span data-contrast=\"auto\"><strong> Low light conditions<\/strong> with an incubation period of 8 to 10 days<\/span><\/li>\n<\/ul>\n<h3><b><span data-contrast=\"auto\">Identifying symptoms<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Spotting the signs of incipient powdery mildew and having an efficient treatment to hand are crucial to quickly halt its spread. The main symptoms are:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\"><strong> Patches of white powdery fungus<\/strong> which spread across upper and lower leaves, flowers and fruits.<\/span><\/li>\n<li><span data-contrast=\"auto\"> Possible <strong>stunting and distortion<\/strong> of affected tissue<\/span><\/li>\n<li><span data-contrast=\"auto\"> In certain cases, early infection does not bring noticeable symptoms. However, some species of powdery mildew can induce <strong>striking colour changes<\/strong>, giving infected areas a distinctive purple-brown hue.<\/span><\/li>\n<\/ul>\n<h3><b><span data-contrast=\"auto\">Wide-ranging impact<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">One of the main problems of this disease is its wide-ranging impact, affecting <strong>fruit trees such as apple trees<\/strong>, as well as ornamentals and major horticultural crops, such as melons and tomatoes. As concerns about the impact of climate change on agriculture grow, there is a need to explore the potential correlation between changing climate patterns and the increasing prevalence of powdery mildew.<\/span><span data-contrast=\"auto\"><sup>2<\/sup><\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Dealing with powdery mildew: Ospo-Vi55<\/span><\/b><b><span data-contrast=\"auto\"><sup>\u00ae<\/sup><\/span><\/b> <b><span data-contrast=\"auto\">a next-generation powdery mildew biological eradicant<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\"><a href=\"http:\/\/www.rovensanext.com\/en\/agricultural-biocontrol\/biofungicides\/\"><strong>Biofungicides<\/strong><\/a> are effective natural allies against fungal diseases like powdery mildew. Unlike traditional chemical products, they help to reduce residue, while combatting resistance and enhancing stress tolerance.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">At <strong>Rovensa Next<\/strong>, we understand our growers\u2019 real day-to-day sustainability challenges. We work hard to develop innovative biosolutions so they can protect their crops without compromising on performance whilst complying with the latest regulations.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\"><strong>Ospo-Vi55<\/strong><sup>\u00ae<\/sup> is a next-generation biofungicide that eradicates powdery mildew and prevents <\/span><i><span data-contrast=\"auto\">Venturia<\/span><\/i><span data-contrast=\"auto\">. Its effectiveness comes from the combination of the <\/span><i><span data-contrast=\"auto\">Bacillus subtilis<\/span><\/i><span data-contrast=\"auto\"><strong> strain IAB\/BS03<\/strong> and specific solid synergetic co-formulants especially selected to boost its fungicidal effect.* As many study results have shown,<\/span><span data-contrast=\"auto\"><sup>3<\/sup><\/span><span data-contrast=\"auto\"> just one application of <strong>Ospo-Vi55<sup>\u00ae<\/sup> 5 g\/L can eradicate 96.4% of powdery mildew <\/strong><\/span><strong><i>mycelium<\/i><\/strong><span data-contrast=\"auto\"><strong>.<\/strong>*\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><strong>Ospo-Vi55<\/strong><span data-contrast=\"auto\"><sup>\u00ae<\/sup><\/span><span data-contrast=\"auto\">\u2019s<\/span> <span data-contrast=\"auto\">exclusive <strong>Bioevology<\/strong><sup>\u00ae<\/sup> formulation technology maximises the fungicidal activity of <\/span><i><span data-contrast=\"auto\">Bacillus subtilis.<\/span><\/i><span data-contrast=\"auto\"> When this technology is applied to the formulation of microorganisms , it intensifies the fungicidal effect of the final product, delivering complex products with improved action.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-large wp-image-35902\" src=\"http:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity-1024x1024.png\" alt=\"Powdery mildew: understanding and treating this fungal disease \" width=\"800\" height=\"800\" srcset=\"https:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity-1024x1024.png 1024w, https:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity-300x300.png 300w, https:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity-150x150.png 150w, https:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity-768x768.png 768w, https:\/\/www.rovensanext.com\/wp-content\/uploads\/2024\/04\/Ospovi55-article-creativity.png 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Advantages of applying Ospo-Vi55<\/span><\/b><b><span data-contrast=\"auto\"><sup>\u00ae<\/sup><\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<ul>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Healthy crop protection against powdery mildew<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Crop production not halted or reduced.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Fast-acting, with positive effects in just 24-48 hours<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">No pesticide residues and no safety periods<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Friendly to beneficial insects<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Excellent resistance management<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\u2022\" data-font=\"Calibri\" data-listid=\"7\" data-list-defn-props=\"{&quot;335551671&quot;:0,&quot;335552541&quot;:1,&quot;335559685&quot;:1070,&quot;335559991&quot;:710,&quot;469769226&quot;:&quot;Calibri&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u2022&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"0\" data-aria-level=\"1\"><span data-contrast=\"auto\">Suitable for organic and integrated pest management<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:1070,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><strong>Contact the<\/strong><a href=\"http:\/\/www.rovensanext.com\/en\/\"><strong> Rovensa Next <\/strong><span data-contrast=\"auto\"><strong>team<\/strong><\/span><\/a><span data-contrast=\"auto\">\u00a0through our <\/span><strong><a href=\"http:\/\/www.rovensanext.com\/en\/contact-us\/\">Contact form<\/a><\/strong><span data-contrast=\"auto\">\u00a0for further information on how to deal with powdery mildew.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><em>* Rovensa Next is a global business unit that delivers solutions for agriculture around the globe. The information shared here may vary depending on your location. Please contact us using our Contact form to confirm whether the product is available in your country, or should you have any queries or require any additional information. Thank you.<\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><span data-contrast=\"auto\">[1] <\/span><a href=\"https:\/\/doi.org\/10.3390\/agronomy11040714\"><span data-contrast=\"none\">R\u00f3\u017cewicz M, Wyzi\u0144ska M, Grabi\u0144ski J. The Most Important Fungal Diseases of Cereals\u2014Problems and Possible Solutions.\u202f<\/span><i><span data-contrast=\"none\">Agronomy<\/span><\/i><span data-contrast=\"none\">. 2021; 11(4):714. Science Direct.<\/span><\/a><\/p>\n<p><span data-contrast=\"auto\">[2] <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0167880911003975\"><span class=\"title-text\">Modelling the impact of climate change on the interaction between grapevine and its pests and pathogens: European grapevine moth and powdery mildew<\/span><\/a><\/p>\n<p><span data-contrast=\"auto\">[3] Powdery mildew (E<\/span><i><span data-contrast=\"auto\">rysiphe necator<\/span><\/i><span data-contrast=\"auto\">) field trial on vine (<\/span><i><span data-contrast=\"auto\">Vitis vinifera<\/span><\/i><span data-contrast=\"auto\">), (Chile). Rovensa Next<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Powdery mildew, a widespread fungal infection known for its conspicuous white powdery growth on plant surfaces, presents a major challenge to crop health on a global scale. As farmers grapple with its detrimental effects, understanding and implementing effective management strategies becomes paramount. Explore comprehensive approaches to combatting this agricultural threat and safeguarding crop productivity amidst ongoing environmental pressures.<\/p>\n","protected":false},"author":4,"featured_media":36190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123,130],"tags":[171,745,771],"class_list":["post-35893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-news","tag-biocontrol","tag-ospo-vi55-2","tag-powdery-mildew"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Powdery mildew: understanding and treating this fungal disease | Rovensa Next Global<\/title>\n<meta name=\"description\" content=\"Powdery mildew, a widespread fungal infection known for its conspicuous white powdery growth on plant surfaces, presents a major challenge to crop health on a global scale. 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