摘要
稻曲病主要危害粒部 ,在日本一些地区有严重趋势。病害发生程度主要与品种、种植密度、菌量、出穗期前气温和降雨、氮肥施用量等因素有关。采用抗病品种、减少越冬菌源、合理施肥。
Rice false smut mainly harms paddy,and shows increasingly serious trend in some regions of Japan The harmful degree of this disease is mainly related to breed,crop density,the amount of pathogency,air temperature and rainfall before ear time,applied quantites of nitrogenous fertilizer and so on It can have an efficient effect with disease-resistant breeds,diminution of winter survival germs amounts,rational application of ferlilizer,usage of germicide containing coppor in propex stage
出处
《农业与技术》
2000年第6期35-36,共2页
Agriculture and Technology
