bollworm怎么读，bollworm什么意思，bollworm短语和例句

1.A test to determine the toxicological effect of thiodicarb flowables on cotton bollworm (Heliothis armigera) was performed using methods of topical application leaf diping and contact residue.

采用点滴法、浸叶法、药膜法测定了硫双灭多威胶悬剂毒力效果。

2.The total pest controlling input was reduced by 70%, of which the bollworm controlling input was reduced by 90%.

总治虫用药投入减少70%，其中防治棉铃虫用药投入减少90%。

3.By setting up bollworm's data base which strengthen forecast work of cotton bollworm.

通过建立棉铃虫数据库来强化棉铃虫的预测预报工作。

4.The combination of mass media and person-to-person media is the best model of extending transgenic bollworm resistant cotton.

大众传播媒介与人际传播媒介相结合是抗虫棉传播的最佳模式。

5.Electroantennogram responses of female cotton bollworm (Helicoverpa armigera) to several plant volatiles were tested.

测定了棉铃虫(Helicoverpaarmigera)雌蛾对几种植物挥发物的触角电位反应。

6.It implies that the decreased nerve sensitivity is an important pyrethroid resistance mechanism of cotton bollworm.

这些结果说明神经敏感性降低是棉铃虫对拟除虫菊酯抗药性的重要机制。

7.The soluble powder:polythiocycloalkanes, has good effective on the control of pest insects such as two-spotted spider mite, cotton bollworm and citrus red spider mite ect.

简介了产品的毒性毒理概况和应用范围，尤其是防治棉红蜘蛛、棉铃虫、柑桔红蜘蛛等害虫的良好特性。

8.A test to determine the toxicological effect of thiodicarb flowables on cotton bollworm (Heliothis armigera) was performed using methods of topical application leaf diping and contact residue.

采用点滴法、浸叶法、药膜法测定了硫双灭多威胶悬剂毒力效果。

9.Based on the direct benefit and cost, the economic threshold of the third generation bollworm was calculated to be 35 eggs per 100 plants for all the levels of soil fertility.

根据防治的直接收益与直接代价，算出了第三代棉铃虫的经济阈值为百株累计卵量35粒，这一阈值可适用于不同肥力水平的地块。