ZURICH (Reuters) - Germany's Bayer has advised wine grape growers not to use its Moon Privilege fungicide until its CropScience arm has investigated whether there is a connection between the product's ...

Downy mildew is a damaging foliar disease of grapes, leading to yield losses of up to 75% in key growing areas [1]. The global fungicide market, valued at over $24.5 billion in 2024, is projected to ...

While Botrytis is the most destructive plant pathogen in grapes, powdery mildew is also a persistent U.S. vineyard threat. Mevalone is a formidable tool to assist growers in their fight against both ...

Apparently, some Swiss wine grape growers have complained to the company that they had deformed leaves on the vines as well as lower crop yields in 2014. Referring to the complaints as “atypical ...

Q: The berries on my Red Flame grapevine are shriveling and turning gray, but the vine looks healthy. Do you know what the problem is? A: Bunch diseases attack only grape bunches. At the beginning of ...

Researchers are working to identify valuable genes from the Norton grape for eventual transfer into other grapes to make them less susceptible to mildew, decrease fungicide use and increase world-wide ...

Q: I am a big fan of your column, but I haven’t seen any answers about what’s happening to my grapes. Please advise. I have four grape plants and maybe 10 percent to 15 percent have this white stuff ...

Question: I have some Merlot and Cabernet Sauvignon grapes I’m growing as winegrapes in my garden. I have 24 vines and 21 of them have this whitish look and the berries are shriveling up before ...