late blight News

  • Managing Late Blight of Potatoes and Tomatoes

    Late blight is one of the most serious diseases of potatoes and tomatoes worldwide, resulting in significant yield and quality losses annually. In Alberta, late blight occurs infrequently, but can have devastating impacts in the years when it reaches epidemic levels.  “This disease is caused by a fungal pathogen called Phytophthora infestans,” says Robert Spencer, ...

  • Looking back on this year’s blight season

    Persistent rainfall and warm temperatures resulted in high blight pressure early on in the season, causing challenges for UK growers, as the value of the crop also crept up. Tighter spray intervals were seen as a recurring method of control, which resulted in an increased demand for the fungicides available to keep on top of potato blight. One product which has proven to be very effective this ...


    By Certis UK

  • Scientists find new defence front against the Potato Blight

    In this week 'Nature Plants', scientists from Wageningen University, The Netherlands, and The Sainsbury Laboratory in Norwich, UK, report the identification of a resistance gene that enhances resistance against potato late blight from a South American wild relative of cultivated potatoes. The gene targets elicitin, a conserved protein with an important biological function, making it less likely ...

  • UF/IFAS Finding Could Help Farmers Stop Potato, Tomato Disease

    A University of Florida scientist has pinpointed Mexico as the origin of the pathogen that caused the 1840s Irish Potato Famine, a finding that may help researchers solve the $6 billion-a-year disease that continues to evolve and torment potato and tomato growers around the world. A disease called “late blight” killed most of Ireland’s potatoes, while today it costs Florida ...

  • China - Netherlands cooperation on improvement of China potato production

    Raising China potato production is of utmost importance. In the coming years a great effort is to be made to meet the increasing demand of potatoes for fresh consumption and for industry. In a joined R&D program Chinese and Dutch research institutes and companies investigated opportunities for improvement on the main topics of potato production. ‘Progress Report China Potato GAP ...

  • Resistance genes from wild relatives of crops offer opportunities for more sustainable agriculture worldwidew

    Growing crops with stacks of two or more resistance genes from closely related species, introduced into the crop via for instance genetic engineering, combined with the simultaneous introduction of resistance management, can ensure the long-term resistance of these plants to economically significant and aggressive diseases. The combination offers opportunities to make agriculture more sustainable ...

  • Syngenta receives US EPA approval for new high performance fungicide

    New chemistry complements Syngenta’s market-leading fungicide portfolio First sales in the 2016 season; peak sales potential of more than $150 million Latest launch from Syngenta’s $3.6 billion crop protection pipeline Syngenta announced today that it has received US EPA approval for ORONDIS™ a new high-performance fungicide. First sales are expected in ...


    By Syngenta

  • Bhutan faces crop losses from erratic climate

    Agricultural experts in the Himalayan country of Bhutan — a least developed country — are concerned at increasing crop losses in recent years, attributable to global warming. The losses, which began around 2004, are the direct result of increasing pest attacks and disease, erratic rainfall, windstorms, droughts, flash floods and landslides, officials said. The country’s ...


    By SciDev.Net

  • Marrone Bio Innovations` Regalia® Biofungicide Label Significantly Expanded

      DAVIS, Calif., Jan. 18, 2012 /PRNewswire/ -- Marrone Bio Innovations today announced that the U.S. Environmental Protection Agency has approved a significant label expansion for Regalia®, a biofungicide that boosts plants' natural defenses to fight fungal and bacterial diseases. The label expansion includes new soil applications, ...

  • Luna® Fungicide Label Expansion Gives Growers New Crops for Broad-Spectrum Disease Control

    Bayer has received notice that the United States Environmental Protection Agency (EPA) has approved an expanded label for Luna® fungicides permitting use on a larger group of fruit, nut and vegetable crops. Once approved in relevant states, these label expansions will be effective across a broad geographical ...


    By Bayer CropScience AG

  • USDA Grants Support Organic Agriculture Research

    The U.S. Department of Agriculture's (USDA) National Institute of Food and Agriculture (NIFA) today awarded five grants to support research, education and Extension programs that will improve the competitiveness of organic livestock and crop producers. "The organic industry is a rapidly growing segment of American agriculture and it is important we continue to invest in sound science to support ...

  • Rice Farmers in China use Less Fertilizer, Increase Yield

    “Rice farmers can decrease their nitrogen fertilizer and pesticide use by around 20%, and increase their yield by 10% by using the ‘three controls technology’ (3CT),” says Dr. Xuhua Zhong, crop physiologist at the Rice Research Institute of the Guangdong Academy of Agricultural Sciences (GDRRI).  The meaning of “three controls” is controlling the amount of ...

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