“的毒力”造句
寄生的抗病性的病原菌
的毒力在杂交中是势均力敌的.
Host resistance and fungal virulence parallel each other in the cross.
证实JDS-CPV对我国马尾松毛虫有较好
的毒力.
The results showed that the JDS - CPV has higher virulence to pine caterpillar.
研究了宁虫素对水稻螟虫
的毒力及防治效果.
Toxicities and control effects of Ningchongsu against rice stem borers were tested.