It is very important to prevent rice pests and diseases after the rainstorm.
Recently, serious floods have occurred in many places in southern China, causing a large amount of rice to be flooded, resulting in a decline in the ability of rice plants to resist pests and diseases, providing a breeding ground for the breeding of pests and diseases. Doing a good job of preventing and controlling rice pests and diseases after the disaster is the most concerned issue for farmers. Follow the Xiaobian specific to understand it.
1. Clean the seedlings. After being immersed in the flood for a long time, a layer of sediment is often attached to the leaves of the rice seedlings, and should be cleaned in time after the flood has receded. Silt and silt should be removed in time for being buried by sediment.
2. Topdressing fertilizer. Water injury and fertilizer supplement is the successful experience of disaster relief for many years. Therefore, it is necessary to timely apply quick-acting nitrogen fertilizer or full-nutrient high-efficiency foliar fertilizer according to the disaster situation and seedling condition to promote the growth of seedlings.
3. Prevention of pests and diseases. Grab the fine weather or stop the rain, and control the four (2) generation rice leaf roller and the four (2) rice planthopper. The drug is selected from chlorantraniliprole, avermectin, pymetrozine, and nitenpyram. In the field of rice blast disease and planting susceptible varieties, use 30% tricyclazole 30-40g, 40% rice bran 80-100ml or 100 billion / gram Bacillus subtilis 10g water 50kg spray prevention Rice blast, so as not to cause new disasters.
4. The water damage is particularly serious. If there is no need to rescue the necessary fields, it is necessary to plow the land in time and replant other cash crops.
More pesticide knowledge, please pay attention to China Pesticide Network
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