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5月10日,湖南省植保植检站发布水稻重大病虫发生防治周报,早稻处于分蘖期,中稻处于秧田期。一、主要病虫发生概况二化螟:湘中南处于低龄幼虫为害盛期,湘北刚进入卵孵盛期,湘西羽化盛末期;湘中南田间幼虫量较大,危害
On May 10, Hunan Provincial Plant Protection Plant Inspection Station released the weekly prevention and control measures for major pests and diseases of rice. Early rice is at the tillering stage and middle rice is in the seedling stage. First, the main occurrence of pests and stems Chilo suppressalis: southern Hunan in the low-age larvae infested peak, northern Hunan just entered the incubation period of eggs, the end of the emergence of Xiangxi Sheng; Hunan Xiangnan field Larva, harm