论文部分内容阅读
近日,广西壮族自治区植保总站发布预报,预测今年下半年全区农作物主要病虫鼠总体发生趋势为中等偏重局部大发生。一、粮食作物病虫1.稻纹枯病预计发生程度为中等偏重,局部大发生,发生面积950万亩次。全区普遍发生,桂东、桂东南局部稻区大发生。2.稻瘟病预计发生程度为中等偏轻,局部偏重,发生面积370万亩次。其中桂西北、桂东、桂东南、沿海等历史性发生区及种植感病品种较多的稻区穗颈瘟偏重流行的几率较大。
Recently, the Guangxi Zhuang Autonomous Region Plant Protection Station released a forecast that the overall crop pest emergence in the second half of this year will tend to be moderately localized. First, pests and diseases of food crops 1 rice sheath blight is expected to occur to a moderate degree, local occurrence occurred, an area of 9.5 million mu times. The whole area is widespread, Guidong, southeast of the local rice occurred. 2. Rice blast is expected to be moderately light, partial emphasis, the occurrence of an area of 370 mu. Among them, the historic occurrence areas in the northwestern part of Guangxi, Guidong, southeastern Guangxi and the coastal areas, and the paniculata paniculata growing in susceptible rice varieties have a higher prevalence.