false smut

同根派生

Six varieties were compared on incidence, severity and loss rate of false smut of rice (FSR).
采用6个对稻曲病抗感程度不同的水稻品种(组合),调查稻曲病发病率、严重度并计算损失率。
Using false smut of rice (FSR) sclerotia isolation，the pathogen of FSR was cultured in PSA medium.
在PSA培养基上，利用稻曲病菌菌核分离培养了稻曲病菌。
Rice false smut (Vistilaginodea virens) is a sever disease in later rice growth stage, the pathogen invades rice when head sprouting and flowering.
稻曲病现已成为水稻后期主要病害，其发生危害程度主要与水稻生育期、气候、施肥水平、菌源量等因素有关。
The average effect of spraying 30%DT WP in booting date on controlling rice false smut was 89.6%.The method is effective in controlling rice false smut.
应用30%25DT可湿性粉剂在水稻孕穗期喷雾防治稻曲病平均效果达89.;6%25，可作为防治稻曲病的有效措施。
SAS results indicated false smut of rice analysis mainly influenced the yield of rice by percentage of diseased ears rate, next is the percentage of diseased spikes rate.
用SAS统计软件分析田间数据结果表明稻曲病影响水稻产量的主因素是病穗率，其次是病粒率，病穴率是次要因素。