Control techniques of Red Spider in Winter and Spring Wheat
In order for wheat to survive the winter safely and grow healthily in spring, we must first do a good job in pest control in winter. Now is the peak of the occurrence of wheat red spider, in order to effectively control the spread of red spider disease as soon as possible. Prevention and control methods: 1 50% 1605 emulsion 50 grams per mu, 40 kg water. 2.40% dimethoate, 75 grams plus water 40 kilograms spray. 3. Spraying time; every day between 8: 00 a.m. and 4: 00 p.m. The above control methods can be sprayed twice at an interval of 40 days.
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It is the key to lay a good foundation for high yield of winter and spring wheat.
Henan Province is a major province of wheat production. in recent years, the state and province have issued a series of policies to benefit farmers to support the development of wheat production, so that the agricultural production conditions of our province have been greatly improved and the production level has been continuously improved. the total yield and per unit yield of wheat have reached an all-time high for five consecutive years. In 2007, the sown area of wheat reached 75.66 million mu.
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Prevention and control of diseases and insect pests of wheat in spring
Spring is not only a critical period for wheat growth, but also a period of frequent occurrence of diseases and insect pests. Therefore, the management of wheat in spring should pay attention to the prevention and control of diseases and insect pests. The following introduces several common wheat diseases and insect pests in spring and their control methods: wheat rust and powdery mildew: in areas where the disease is serious and obvious disease centers are formed, drugs should be administered in time.
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