水稻僵苗又叫“害黄”，是返青分集期出现的一种生理障碍，表现为返青推迟，稻株簇立，分案迟缓，叶片僵缩及根系生长受阻等现象。七。不及时‘防治，会造成大幅度减产。在生产上，水稻僵苗主要有3种类型：1．深插僵苗。这是最常见的一种，表现为秧苗下陷，返青慢，分集迟迟不 Rice stiff seedlings, also known as “yellow”, is a physiological barrier to the emergence of the diversity cycle. It is characterized by delayed greening, rice clustering, slow division, stiffening of the leaves and impaired root growth. Seven. Not timely prevention and control, will result in significant cuts. In production, there are 3 main types of rice seedlings: 1. Deep inserted stiff seedlings. This is the most common one, manifested as seedling sag, retreat green slowly, diversity delayed