水稻烂秧的现象,根据其发生情况的不同,可分为烂芽和死苗两种类型。烂芽是指播种后至秧苗现青前的烂秧现象,其特点是这时死亡的秧苗,—般都未扎根扶针;而死苗则发生较晚,是在秧苗已经出现真叶、不定根和苗色现青以后。因此湖南农民称烂芽是睡起死的,死苗是站起死的。 Rotten rice seedling phenomenon, according to the occurrence of different conditions, can be divided into two types of rotten buds and dead seedlings. Rotten buds refer to the phenomenon of rotting seedlings after sowing till the young seedlings are green, which is characterized by the fact that the seedlings that died at this moment are generally not rooted in the needle; while dead seedlings occur later, in the case of true leaves and adventitious roots And seedling is green after. Therefore, Hunan farmers said rotten buds are sleeping and die, dead seedlings stand up.