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几年来,各地出现的水稻生理性病害种类较多,但常与侵染性病害相混淆,而忽视了及时防治,引起病害发展,造成损失。为使赤脚植保员便于识别,我们遵照伟大领袖毛主席关于“必须善于学习”的教导,学习总结了当地贫下中农的实践经验,并参阅有关资料,初步整理出本地区几种常见水稻生理性病害如下:一、冻害水稻在不同的生育期,遇到低温常会引起各种不同的病变,常见的有下面几种:1.生理性烂秧:秧苗播种后几天,如果碰到10℃以下的低温,加上管理不当,就会引
Over the past few years, there have been many types of rice physiological diseases in various places, but they are often confused with infectious diseases, neglecting timely prevention and control, causing disease development and causing losses. In order to facilitate the identification of barefoot instructors, following the guidance of Chairman Mao on “must be good at learning,” we learned from the experiences of the poor and middle peasants in the region, and reviewed the relevant information and sorted out some common physiological diseases of rice in the region As follows: First, frost damage rice at different stages of growth, often encountered low temperature will cause a variety of different diseases, common are the following: 1. Physiological rotten seedlings: Seedlings sowing a few days, if you encounter below 10 ℃ Low temperature, coupled with improper management, will lead