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辽宁省植物保护站根据全省各地近年病虫害发生程度,结合气象条件等因素综合分析:在阜新、鞍山、丹东局部虫量较高的地块地下虫害有暴发为害的可能,全省预计发生面积1000万亩左右;玉米、高粱等禾谷类丝黑穗病总体将中等发生,局部菌源量较大、多年连作的玉米田将中等偏重发生,预计发生面积200万亩次。地下虫害防治建议1.农业防治。降低虫口密度;在蛴螬严重发生地块,合理灌溉,驱使蛴螬向土层深处转移,避开幼苗最易受害时期。2.土壤处理。50%辛硫磷乳油每
Liaoning Province Plant Protection Station According to the occurrence of pests and diseases in recent years in different parts of the province, combined with the meteorological conditions and other factors comprehensive analysis: in Fuxin, Anshan, Dandong, the higher the amount of pests in the underground pests may be outbreaks, the province is expected to have an area of 1000 Mu; corn, sorghum and other cereal smut overall will occur moderately, large amount of local bacteria, for many years continuous cropping of corn fields will be moderately heavy occurrence is expected to occur an area of 2000000 acres. Prevention and treatment of underground pest suggestion 1. Agricultural control. Reduce the density of insect population; in the catfish severe occurrence of plots, reasonable irrigation, drove the crickets to the depths of the soil transfer, to avoid the most vulnerable period of seedlings. 2. Soil treatment. 50% phoxim EC