该技术对超级杂交中稻主要病害防效达80%左右，对虫害防效达90%以上。

The controlled effect of this technique to main diseases of super hybrid rice was about 80%, and the controlled effect to insect pests was above 90%.

youdao

该技术对超级杂交中稻主要病害防效达80%左右，对虫害防效达90%以上。

The controlled effect of this technique to main diseases of super hybrid rice was about 80%, and the controlled effect to insect pests was above 90%.

youdao