25. Objective To compare the effects of colony oviposition and single tube oviposition for improving the reproductive rate of Anopheles anthropophagus .
目的比较群体产卵法与单管产卵法对提高嗜人按蚊繁殖率的效果。
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26. The oviposition choice test in the laboratory showed that both SSB and PSB had little difference in oviposition selectivity to the two kinds of rice.
室内产卵试验表明,二化螟和大螟在两种水稻上不存在产卵行为的选择差异。
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27. Ablation experiments indicate that chemoreceptors of the females for host chemicals which affect their oviposition behavior are mainly located on their arolia.
用切除手术实验证明雌虫接受寄主影响雌虫产卵行为的化学物质的感化器主要分布在其中垫上。
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28. It suggested that oviposition behavior itself was normally induced on the fully-grown rice, but the entire process was not completed due to some deterring factors.
这表明旺盛生长的植株能诱导白背飞虱的产卵行为,但由于某些拒避性因素使整个产卵过程不能完成。
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29. We examined the parameters of feeding area, the growth and the oviposition preference of DBM after setting the levels by the number and feeding time of SFB respectively.
试验按跳甲数量和跳甲取食时间设置级别,分别测试了小菜蛾取食面积、生长发育和产卵选择性等参数。
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30. We examined the parameters of feeding area, the growth and the oviposition preference of DBM after setting the levels by the number and feeding time of SFB respectively.
试验按跳甲数量和跳甲取食时间设置级别,分别测试了小菜蛾取食面积、生长发育和产卵选择性等参数。
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Oviposition preference of the two species was studied in the laboratory. 本文研究了两种寄生蜂对不同龄期烟粉虱寄主的产卵选择特性。
The reproductive system has a complex innervation concerned in copulation and oviposition. 生殖系统有一个同交尾和产卵有关的复杂神经系统。