According to the field data of the 9-10 day field survey in our station combined with the recent monitoring data of the township monitoring sites in the main rice producing areas, the overall occurrence of diseases and insects in late rice is moderately moderate and partial, mainly rice blast, sheath blight, thin stripe disease, aphids, rice leaf curls.螟, rice fly 虱. The specific data is that the incidence rate of leaf blast of rice blast is 0.1-0.4%, and the incidence rate of plant is 0.2-0.5%. The incidence of sheath blight strains is 1.5-4%, and the incidence of clumps is 5-9%. The incidence of thin strips is 0.2-1.4%, the weight is 4%, the strain incidence is 0.8-3%, and the weight is 8.5%. The rate of rice worms is 0.05-0.2% and the weight is 3.5%. There are 1.1-2.5 strips of rice leaf roller, and the height is 6.4, the amount of moth is 66-134 heads, and the height is 214 heads. The density of the insects of the rice planthopper is 105, and the weight is 310. There is no obvious peak in the recent light. If there is a typhoon affecting the city, it must be paid attention to. The overall coastal towns and towns are more important than mountain towns and towns. At present, most of the rice is in the filling stage, and the Jianjian leaves are the measures for the high yield and good harvest of late rice. Therefore, the township agricultural technology stations should do a good job in the inspection of pests and diseases in the late rice season and the green prevention and control. Prevention opinions: Thin strip disease: 100g of 20% leaf cumazole or 20% of Longkes 600 times liquid spray per acre. Sheath blight: Acre 25 ml of water can be sprayed per acre with 120 kg of water or 5% of Jinggangmycin. Rice blast: 80 grams of Fuji No. 1 or 2% of rice with 100 grams of spray per acre. Rice leaf roller: 1 ml of avermectin 100 ml or chlorantraniliprole 20 ml per acre. Rice planthopper: Available in 80 ml per 40 mu or 40% chlorpyrifos 40 ml + 30 g of water and 50-60 kg of water. More pesticide knowledge , please pay attention to China Pesticide Network
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