SINCE Peronospora Schleideni, Unger, the onion mildew fungus, is known to produce its sexual organs in the leaves of the host-plant, the assumption has been made that the parasite ...

The cooler weather of fall means conditions are right for downy mildew diseases to develop. Besides the downy mildew that attacks cucumbers, which I have mentioned in previous columns, four other ...

Cucurbit downy mildew is a devastating disease affecting economically important crops such as cucumber, cantaloupe, squash, pumpkins, and watermelon. Previously effective fungicide have been failing ...

Basil can add a little zest to any meal. But downy mildew disease threatens the herb’s very existence. University of Florida Institute of Food and Agricultural Sciences researchers are trying to ...

Newswise — Downy mildew is a major constraint on Brassica crop production worldwide, especially during early developmental stages when plants are highly vulnerable to infection. Effective plant ...

Quinoa's grain-like seed offers a flavorful, nutrition-packed addition to soups, salads and side dishes, as well as ingredient for cereals, snacks and pasta. But in order for this versatile seed to ...

In a Michigan State University Extension bulletin, Mary Hausbeck, a specialist with Michigan State University Extension, says cucumber growers in the state have seen the earliest outbreak of downy ...

The pickle is in peril. Each summer since the mid 2000s, Florida winds carry downy mildew to cucumber fields north. By summer's end, the disease reaches Michigan, leaving a trail of withered leaves ...

Vegetable breeding company Enza Zaden says it recently tested its spinach portfolio for a new strain of downy mildew (Peronospora effusa) identified by the International Working Group on Peronospora.

Mon dieu—Bordeaux vineyards are currently in deep distress. A downy mildew is affecting grapes in the region, with 90 percent of some vineyards being plagued, The Connexion reported recently. The ...

Q. I’ve removed the spent flowers on my roses, but I’m concerned because there are absolutely no leaves on the branches. Looking at them you would think it’s the middle of winter. What has happened?