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首页> 外文会议>International Diamondback Moth and Other Crucifer Pests Workshop >Integrated pest management of Plutella xylostella in crucifer fields in Beijing
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Integrated pest management of Plutella xylostella in crucifer fields in Beijing

机译：北京十字花属植物植物植物植物植物的综合害虫管理

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In Beijing, the diamondback moth ( DBM) has 6 generations that occur from early May to early November. In the Yanqing district of Beijing, despite more than 14 sprays per year, the population of DBM increased and that of its natural enemies decreasedyearly. The population of DBM surveyed in an insecticide-free crucifer field showed that the first moth arrived in early May in 2006, and that the peaks adults ( 1 200 adults/day/trap) and larvae (25 larvae/plants) occurred on 10 May and 29 May, respectively. Experiments were carried out to control DBM using integrated pest management ( IPM) at Yanqing in 2005-2006. 3 000 sex pheromone traps were set in 2005 and 15 000 traps in 2006. The results showed that in the treatment area the highest number of DBM adults was 95 adults/day/trap on 19 May and larvae 0. 3 larvae/plants on 26 May, while in the control area, peak adults (66 adults/day/trap) and larvae (11.3 larvae/plants) occurred on 22 May and 29 June. Sex pheromone traps and 1-2 sprays of biological insecticides were used in the spring crucifer field at Yanqing in 2005 to control DBM. The results indicated a higher monetary value in the treatment area compared to the control area. By using sex pheromone traps, the number of insecticide sprays were decreased and economic and ecological benefits were gained.
机译：在北京，菱龙蛾（DBM）有6代，从早上到11月初发生。在北京延庆区，尽管每年超过14个喷雾，但DBM人口增加，天敌的人口减少了。在无杀虫剂的十字架字段中调查的DBM人口表明，第一个蛾于2006年早期到达，山峰成年人（1份200名成人/天/捕集器）和幼虫（25只幼虫/植物）发生在5月10日分别为29月。在2005 - 2006年在延庆采用延庆综合虫害管理（IPM）进行实验，以控制DBM。 2006年的3 000个性能陷阱设定为2006年和15 000陷阱。结果表明，在治疗区域最多的DBM成人数量为95名成人/天/天/陷阱，5月19日和幼虫0.3幼虫/植物26在5月22日和6月29日，可能在对照区域，峰值成人（66名成人/日/陷阱）和幼虫（11.3只幼虫/植物）。 2005年延庆的春季十字叶植物中使用了性信息豚鼠和1-2次生物杀虫剂喷雾剂，以控制DBM。结果表明，与对照区域相比，治疗区域的货币值较高。通过使用性信息素陷阱，杀虫剂喷雾的数量降低，获得了经济和生态效益。

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