恶苗病(又名徒长病)是水稻上一种偶发性病害。近年来在早稻上时有发生,部分地方有加重趋势,发病严重的秧田病株率达20％以上,不仅浪费了种子,而且还延误了栽插季节,给高产带来较大影响。防治恶苗病,主要应做到如下4点: Bakanaemia (also known as legumes) is a sporadic disease on rice. In recent years, there have been frequent occurrences in early rice, and in some places, aggravating trends have been observed. The incidence rate of diseased plants in seedling fields with severe disease reached more than 20%, not only wasted seeds but also delayed the planting season and brought a big impact on high yield. Prevention and treatment of sickness, the main should be as follows 4:00: