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三、棉花1.棉铃虫部分棉区区域站近期调查,棉铃虫残留虫量偏低。但棉铃虫的内禀增长率高,随着棉田高效立体种植而积扩大,农田生态环境对棉铃虫发生有利,在无特殊灾变性天气的情况下,预计2006年棉铃虫将为3级发生,局部地区4级,如果夏季雨水偏少,气温偏高,将达4~5级。2.盲蝽蟓梅雨明显的年份发生较重,我省常年梅雨期明显,预计3~4级发生。3.棉田玉米螟在沿海南部、沿江东
Third, cotton 1. Cotton bollworm part of the cotton area station recently survey, the low amount of cotton bollworm residues. However, the intrinsic rate of growth of cotton bollworm is high. With the efficient three-dimensional planting and expansion of cotton fields, the farmland ecological environment is beneficial to the occurrence of cotton bollworm. Under the condition of no special catastrophe weather, it is estimated that the cotton bollworm will be in grade 3 in 2006, 4 in some areas, if less rainfall in summer, the temperature is high, will reach 4 to 5. 2. Blight bugs Meiyu obvious occurrence of heavier years, heavy rain in our province perennial, is expected to occur 3 to 4. 3. Cotton field corn borer in the southern coastal areas, along the east