博文

目前显示的是 十月, 2018的博文

Use chitosan oligosaccharide on Oragne farm in China

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Dora Rootguard trichoderma prevent plant diseases and increase root deve...

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Most effective tips to deal with powdery mildew on grape

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If you grow grapes,you may reaching to see a white powdery substance on the grape leaves.It’s the grape powdery mildew. Especally in main grapevine growing area such as Americas,Europe and Australia.
The disease seems as a whitish-gray powdery coating on the leaves or fruit caused by plant mycelium and conidia on the surface of the plant. On leaves, initial symptoms seem as chlorotic spots on the leaf surface that presently become whitish lesions.
While this can be common,it’s a disease which will injury your grape plants and your crop if left untreated.
Manual managementDisease development is powerfully favored by high humidness and cloudy weather, additionally to comparatively heat temperatures.
Manual management of powdery mildew helps prevent the disease from overwintering in bark crevices and also the spread of current infections. powdery mildew infects leaves, shoots, bark and developing fruit on grapevines, releasing spores in spring throughout heat, wet conditions. Removing morbid …