Wheat aphids are one of the main pests that cause the formation of wheat in China. When the temperature is high from wheat heading to filling stage, the growth and development of aphids will accelerate and rapidly multiply, and the aphid damage will reach a peak during grain filling and milk ripening.
It is estimated that from 15th to 18th, temperatures in southern China, Huanghuai and other places will increase significantly, and the occurrence of locusts will enter a surge phase. In the middle and late May, the wheat aphids in the Huanghuai and North China wheat areas will be heavier, and the eastern part of the northwestern part, the middle and lower reaches of the Yangtze River and the southwestern wheat area will occur moderately, and most of Xinjiang will be moderately light.
It is recommended that the relevant departments do a good job of prevention and control in a timely manner. When the amount of insects in the field reaches the prevention and control targets, the storm-free weather is selected to actively carry out the unified prevention and control, effectively reducing the aphid damage and ensuring the formation of wheat yield.
On the 15th and 18th, the southern part of North China, Huanghuai and other places will be mainly sunny, the temperature will rise significantly, and the daily maximum temperature in some areas will exceed 30 °C.
On the 18th and 19th, there were scattered rain or showers in the eastern and southern parts of North China and Huanghuai.
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