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水稻“赤枯病”,在安康县很早就有发生,个别队危害很严重。遵照伟大领袖毛主席“要灭虫保苗”的教导,为了摸索出此病发生的规律,寻找防治的有效办法,根据有关资料和当地群众的防治经验,提出如下意见,供参考。一、赤枯病的发生与危害: 此病属于生理病害。在安康县境内可分为两类情况。第一类:赤枯病老田(群众叫老地火田)。分下列两种情况:1.黑地火田。病状:叶色深绿,叶面有许多红褐色斑点,从下部
Rice “blight” has occurred very early in Ankang County, and individual teams have suffered serious harm. In accordance with the teachings of Chairman Mao, the great leader, “To Exterminate and Protect Seedlings,” in order to find out the law of the disease and find effective ways to prevent and control it, the following opinions are put forward for reference based on the relevant information and the prevention and control experience of the local people. First, the occurrence and damage of the blight: The disease is a physiological disease. In Ankang County can be divided into two categories. The first category: dead leaves old fields (the masses called the old fire). Divided into the following two cases: 1. Blackfield fire. Symptoms: dark green leaves, leaves many reddish-brown spots, from the bottom