用性信息素诱捕法防治槐小卷蛾研究  

Mass trapping with synthetic sex pheromone for control of the Chinese tortrix,Cydia trasias(Meyrick)

作　　者：张桂芬[1] 阎晓华[1] 韩艳[1] 盛承发[1] 孟宪佐[1] 

机构地区：[1]中国科学院动物研究所虫鼠害综合治理研究国家重点实验室,北京100080

出　　处：《生态学报》2001年第10期1583-1588,共6页Acta Ecologica Sinica

基　　金：国家自然科学基金资助项目 (2 9772 0 3 4)

摘　　要：林间试验研究了用合成性信息素 (反 ,反 ) -8,1 0 -十二碳双烯 -1 -醇 (E8,E1 0 -1 2 :OH)和 (反 ,反 ) -8,1 0 -十二碳双烯乙酸酯 (E8,E1 0 -1 2 :Ac) (2 :3 )诱捕法防治行道树害虫槐小卷蛾 (Cydia trasias Meyrick)的防治效果。诱捕区长 5 0 0 m、宽40 m,三角形粘胶诱捕器悬挂在距地面约 3 m的国槐树侧枝上 ,诱捕器间距约 1 5 m,共悬挂 62个诱捕器。对照区长 2 5 0 m,与诱捕区相距 40 0 m。防治效果用活雌蛾诱捕器、粘翅活雌蛾交配率以及国槐叶柄和果荚的受害率进行评价。槐小卷蛾一年有 3次成虫发生高峰期 ,雌雄性比接近 1 :1。在诱捕区内 ,越冬代、第一代和第二代成虫发生期间分别诱集到雄蛾 2 2 68、2 1 49和 2 3 42头。在越冬代和第二代成虫发生盛期 ,诱捕区内活雌蛾诱捕器诱捕雄蛾的数量比对照区明显减少 (P<0 .0 1 )。诱捕区内粘翅雌蛾的交配率比对照下降 86.0 %。在第一代、第二代和第三代幼虫为害盛末期 ,诱捕区内叶柄及果荚被蛀率分别比对照降低 63 .5 1 %、68.47%和 73 .45 % (P<0 .0 1 )。试验结果表明 ,用合成性信息素诱捕法防治槐小卷蛾效果明显 ,前景广阔。Mass trapping for controlling the Chinese tortrix,Cydia trasias(Meyrick),using synthetic sex pheromone traps was evaluated in one road of shade-tree,Chinese scholar-tree,Sophora japonica L.,in Beijing,China, in 1999.The test plots were located in Zhichun Road,Zhongguancun District.The trapping plot was ca.500m×40m.The triangle sticky traps were hung under the Chinese scholar-tree limbs about 3m above ground at 15m intervals.Totally,62 traps were deployed.Each trap was baited with a lure containing 0.25mg of synthetic sex pheromone for C.trasias,60% E8,E10-dodecadienyl acetate(E8,E10～12:Ac)and 40% E8,E10-dodecadien-1-o1(E8,E10～12:OH).The lures were replaced every 20 days and the sticky liners every 2～4 weeks or more often as needed.The control plot was ca.250m×40m and 400m from the mass trapping plot.The Chinese scholartrees were planted in two rows,and one on either side of the test plots.All trees were planted ca.4.5m apart on a pedestrian path.Catches of male moths were recorded every 2～3 weeks.The trapping tests were conducted from May 11(the beginning of the overwintering generation moth flight)to October 15,1999,when virtually C.trasias moth flight had ceased.Meanwhile,10 traps were used for monitoring the population dynamics of C.trasias from May 5 to October 22.Traps were checked every other day and the number of male moths captured was recorded.During the peak periods of the overwintering and second-generation moth flights,10 virgin female traps (containing one female moth per trap)were used for assessing the orientation ability of male moths to females in mass trapping and control plots,respectively.The test was conducted for 6 days during each generation.During the peak period of the overwintering generation moth flight,68 and 70 virgin female moths were used for mating test in both mass trapping and control plots,respectively.At the end of each generation larval injury,the twigs bearing compound leaves(tunneled by the first-and second-generation larvae tunneling the petiolar base)or clusters

关 键 词：槐小卷蛾 性信息素 诱捕法 防治 

分 类 号：S763.7[农业科学—森林保护学]