“The leaves of my peonies are covered with what appears to be a white mold, with some of the leaves even turning brown already. What is this problem, and will it affect the plants next year? Should I ...

Figure 1: Loss of AtMLO2 function confers powdery mildew resistance in A. thaliana. Figure 3: Atmlo2/6/12 mutants show a developmentally controlled increase in salicylic acid levels. Figure 4: ...

In addition to the reference genome of isolate 96224 (collected in 1996 in Switzerland), we sequenced isolate JIW2 (collected in 1980 in England), isolate 70 (collected in 1990 in Israel) and isolate ...

UC Davis researchers have uncovered important genetic clues about the pathogen that causes grape powdery mildew, among the most destructive vineyard pests throughout California and the world.

Powdery mildew is a fungal disease affecting many plants, causing a white or gray coating on leaves and slowing growth. The fungus thrives in warm, dry weather with high humidity, especially in ...

Q. Is there any way you could help in figuring out what is wrong with our lilac? – C.B. via email. A. Lilacs are quite susceptible to a fungal disease called powdery mildew, which causes a ...

Powdery mildew – or PM – can be a farmer’s worst nightmare. The mildew is easy to spot as it appears on the leaf as a matte-white frost—almost like that fake snow spray you often see around Christmas ...

The splotchy white and gray dust covers the leaves and stems of many of the most popular plants. Woody perennials like lilacs, roses, azaleas, serviceberry and buckeye are especially susceptible. So ...

The grayish white powdery growth you are seeing on the dahlia leaves is caused by a fungus and can also be a common garden problem on other plants. Many species of fungi can cause powdery mildew on ...

Discovering white powder on your plant's soil can be both puzzling and concerning. As a dedicated gardener, I know how disheartening it is to see your beloved plants show signs of distress. Whether ...