1) poplar twig bundles
杨树枝把
1.
Advances on research on the mechanisms of using poplar twig bundles for trapping Helicoverpa armigera;
杨树枝把诱集棉铃虫作用与机理研究进展
2.
Regular and circular analyses indicate that lunar phase had a significant relationship with the relative numbers (%) of cotton bollworm moths caught by poplar twig bundles in Tongzhou City, Jiangsu Province in 1973~2000.
经常规及圆形统计分析 ,结果表明江苏省通州市 1 973~ 2 0 0 0年棉铃虫杨树枝把诱蛾量 (相对量 ,%)受到月相的显著影响。
2) withered black poplar branch
萎蔫杨树枝把
3) poplar branch bundles
杨枝把
1.
Technique of the trapping cotton bollworm(Helicoverpa armigera Hübner)with poplar branch bundles is one of prediction and control strategies of cotton bollworm,which application effect on the 3rd and 4th generation is better than that of sex pheromone attractants.
概述了诱集棉铃虫的杨树枝把制作、使用技术及作用效果,分析了杨枝把诱集棉铃虫的性别、代次差异,诱集时间的特异性,以及杨树枝叶挥发性物质的分离提取,室内分析与田间诱集测试,阐述了棉铃虫诱集杨树枝把的作用机理,并分析了杨树枝把在害虫防治中的应用前景。
2.
Field studies on the trapping Helicoverpa armigera moth wi th poplar branch bundles treated with 2 organic acids and 4 insecticides.
新疆第一代棉铃虫成虫发生期间,用2种有机酸和4种杀虫剂处理杨枝把,研究棉田诱集棉铃虫效果。
4) Pterocarya stenoptera
枫杨枝把
1.
Attraction of the cotton bollworm, Helicoverpa armigera, to poplar bundles made of Pterocarya stenoptera in the field;
枫杨枝把在田间对棉铃虫的引诱作用
5) poplar branch
杨树把
1.
Trap efficiency with the sex pheromone was better than that with poplar branches during the first generation mothemergence period, neared that with poplar branches during the second generation,a.
在第1代,性诱剂诱蛾效果好于杨树把。
6) poplar bundles
树枝把
1.
The attraction of two poplar bundles for cotton bollworm (CB), Helicoverpa armigera (Hübner) was evaluated in fields.
结果表明 ,2种树枝把在田间均能有效地诱集棉铃虫 ;加拿大杨枝把的诱蛾效果要强于枫杨枝把 ;枫杨枝把与加拿大杨枝把诱集的雄蛾量与上把的雌蛾量呈显著的正相关 ,与田间雄蛾量相关性不显著 ;将枫杨与加拿大杨制成混合枝把后与加拿大杨枝把相比诱蛾量没有变化 ,但与枫杨枝把相比则诱蛾量显著增加 ,把上的雄蛾量与上把的雌蛾量呈显著的正相关 ,而与田间雄蛾量无显著相关 ;各种树枝把上的棉铃虫雌雄比均大于 1。
补充资料:砍一枝损百枝
1.比喻得罪了一人,牵连到许多人。
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