Powdery mildew is not a major problem of wheat in Louisiana. In limited cases, however, the disease can reduce plant vigor, cause lodging and reduce yield, size of kernels and test weight. The fungus prevents plants from using nutrients, reduces photosynthesis and increases both the respiration and water loss (transpiration). In areas where powdery mildew is severe, losses up to 40 percent have occurred. Heavily infected leaves, and even entire plants, may be killed prematurely.
Damage is most severe when heavy infection occurs during periods of rapid growth, tillering, stem elongation and head development. Powdery mildew is associated with dense plant growth and cool, moist conditions. Mildew is most severe on wheat grown in soils with a high nitrogen content. Excessive nitrogen fertilizer that results in dense growth of plants creates ideal environmental conditions for disease development.
Powdery mildew is characterized by a white to light gray, powdery fungal growth on the leaves, leaf sheaths, culms and floral bracts. The lower leaves may be completely covered. Powdery mildew effectively is managed by growing mildew-resistant varieties. Crop rotation, deep plowing and the destruction of volunteer wheat will reduce the chances of severe infection by removing or avoiding overwintering sources of the fungus. Maintain balanced soil fertility, based on a soil test, to avoid conditions in which the fungus thrives – excessive nitrogen in relation to phosphorus and potassium. Fungicide sprays rarely are justified.
REMEDIES
FOR
POWDERY MILDEW
It is difficult to fight powdery mildew.
But it is not impossible.
To prevent plants from powdery mildew, controlling and getting ridpowdery mildew. You can prepare own special organic liquid mixture forpowdery mildew yourself, both economically and so effective.
To prepare this special organic liquid mixture, You need some ingredients that you can find your country easily, formulation and production process. You need no help and no technıcal support to make this mixture. simple mixing is sufficient.
Below textbook has a formulation and manufacturing process of special organic liquid mixture and methods of application to treat powdery mildew. You can produce special organic liquid mixture for powdery mildew easily and apply to plants safety.
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