防治水稻纹枯病的药剂筛选及防治适期探索试验

The Experiment of Pesticide Screening and Control Period on Controling Rice Sheath Blight

水稻纹枯病发病日趋严重,而对水稻纹枯病的药剂防治及防治适期却不甚明确。本试验针对这一现象进行研究,筛选了目前市场防治水稻纹枯病常用药剂及其最佳施用适期。提出了噻呋酰胺、丙环唑.苯醚甲环唑和井冈霉素为最佳化学防治药剂,在水稻分蘖盛期依据气候和苗情适时施药,做到经济有效的防治,确保水稻丰收。

It was not clear on the pesticide screening and control period of rice sheath blight, so the test researched and selected the suitable pesticide and control period. It finded the best pesticides which were Trifluzamide, Propicondzole. Difenoconazole and Validamycins to use at the stage of fully tillering based on the weather and seedling situation, then it can achieve the better control effects and yield.