水稻的白叶枯病,是国内植物检疫对象。发病来势猛,蔓延快,毁灭性强,损失大,已成为水稻生产上的严重威胁。此病在我场的为害虽然仅有四年的时间,但其发展速度之快,损失程度之大,都是很惊人的。一九七五年的秋季,暴雨成灾,我场大部分的稻田被洪水倒灌,带菌的水使水稻感染了白叶枯病。当年的秋冬季节,气温偏高(比正常年气温高出1度),这给菌源的越冬构成有利的条件, Rice bacterial blight is the object of domestic phytosanitary. The incidence of fierce, rapid spread, devastating, loss, has become a serious threat to rice production. The disease in my field of damage although only four years, but its rapid development, the extent of the loss, are very alarming. In the autumn of 1975, when heavy rains struck, most of the rice fields in our farm were inundated by floods, causing the rice to become infected with bacterial blight. The autumn and winter seasons, the temperature is high (1 degree above normal temperature), which is conducive to the source of overwintering conditions,