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Now, in the south, it is time to harvest early rice and plant rice in late rice. When everyone enjoys the joy of harvest, as the early rice is harvested, a group of diners will also concentrate on “movingâ€, that is, rice migratory pests.
It is understood that this year's rice planting period is postponed, the field food and beverage sites are sufficient, and the density of insects in the field of rice “two-shift†pests is generally high.
Combined with future meteorological conditions, experts predict that rice migratory pests and rice planthoppers will occur in South China, Jiangnan, and southwestern southwestern China, especially in the middle and lower reaches of the Yangtze River, Jianghuai, and the northwestern region of the southwestern region. Ye Wei will also occur in the eastern rice areas of South China, Jiangnan and Southwest China, and the middle and lower reaches of the Yangtze River and the Jianghuai rice area will be more serious.
In addition, the rice aphids, that is, the heartworms, will not be small, especially the rice stem borer will occur in the south of the Yangtze River, the middle and north of the Yangtze River, and the northeastern part of the northeastern part of the country.
It is noteworthy that due to the impact of the third strong tropical storm “Candu†this year, on the 22nd and 23rd, most of Hainan, Guangdong and Guangxi will experience violent storms, which can easily lead to rice migratory pests. Concentrated landing, after the storm, everyone must strengthen prevention and control.
We know that after entering the volts, the high temperature and high humidity often last for a long time. This sauna day is very difficult, but it is especially good for the germs of crops, because such weather can promote their growth and spread. To expand the infection, then combined with the analysis of future meteorological conditions, experts predict that rice blast and sheath blight will present a moderate to biased trend, reminding everyone not to relax prevention.
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