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近日,全国农业技术推广服务中心在宁夏银川召开了下半年水稻和马铃薯重大病虫害发生趋势会商会,预计中晚稻主要病虫害总体呈偏重发生态势,发生面积10.43亿亩次。一、早稻和单季中稻前期病虫害发生概况今年上半年,水稻重大病虫害在南方稻区总体中等发生,发生面积3.67亿亩次,其中虫害发生2.65亿亩次,病害发生1.02亿亩次。发生特点如下:稻飞虱总体中等发生,轻于常年,其中华南稻区偏重发生,桂东北、桂西,
Recently, the National Agricultural Technology Extension Service Center held a conference on the trend of major diseases and pests of rice and potato in the second half of this year in Yinchuan, Ningxia. It is estimated that the main pests and diseases in late-middle and late rice will generally take the momentum, with an area of 1.043 billion mu. I. Early Occurrence of Early Peasants and Single Season Mid-season Rice Pests and Diseases In the first half of this year, major pests and diseases of rice in China were generally medium-sized, with an area of 367 million mu, of which 265 million mu were pests and 102 million mu were disease-causing. Occurred as follows: The occurrence of planthoppers generally moderate, lighter than perennial, of which the rice fields in southern China occurred heavily, northeast Guangxi, Guangxi,