稻缩苗病又称赤枯病、铁锈病,是一种常见的生理性病害。 1、病症 缩苗病多在分蘖前出现,受害植株矮小不长,初期叶片呈暗绿色,有褐色小斑点或不规则形条斑,甚至叶鞘上也有发生。受害严重时,大部分叶片呈赤褐色,远看象火烤一样。病轻的在雨季能 Rice seedling disease, also known as the blight, rust disease, is a common physiological disease. 1, the disease more disease seedling appear before tillering, the victim plants are not long and short, the early leaves were dark green, brown spots or irregular shaped spots, and even the occurrence of leaf sheath. Serious damage, most of the leaves were brown, far looks like a roasted fire. Sick in rainy season