利用小菜蛾性诱剂防治林芝市巴宜区油菜田小菜蛾
Using Sex Pheromone Traps to Control Plutella xylostella in Rapeseed Fields in Bayi District, Linzhi City
为探究小菜蛾(Plutella xylostella)性诱剂在小菜蛾防治中的应用,对不同性诱剂对小菜蛾诱集效果的差异,以及最佳诱集效果性诱剂不同悬挂高度对小菜蛾及非靶标昆虫诱集效果进行了研究。试验在西藏农牧学院农场进行,采用了多个品牌的性诱剂及舟型诱捕器还有布置3种不同高度的诱捕器高度分别为120 cm,90 cm,60 cm进行试验。福建漳州南美品牌小菜蛾性诱剂累积诱集量最大,其次为北京中捷四方,河南科云诱集数量最少。福建漳州南美品牌性诱剂诱集小菜蛾数量,与北京中捷四方、河南科云两个品牌有极显著性差异;福建漳州南美小菜蛾性诱剂不同悬挂高度,高度为90 cm累积诱集小菜蛾数量最多,其次高度120 cm,诱集数量最少为60 cm,三者之间没有差异;不同悬挂高度60 cm诱集到的非靶标昆虫最多,其次为90 cm、120 cm,后两者高度诱集差异不大,三者诱集数量没有显著性差异。结果表明:林芝市巴宜区油菜田可利用小菜蛾性诱剂防治小菜蛾发生危害。建议使用福建漳州南美品牌小菜蛾性诱剂,悬挂高度为90 cm,这高度诱集小菜蛾数量最多,诱集非靶标昆虫较少,对天敌杀伤也较少。
To explore the application of pheromone lures in the control of Plutella xylostella, a study was conducted to compare the efficacy of different pheromone lures and the impact of varying hanging heights on the trapping of the diamondback moth and non-target insects. The experiment was carried out at the agricultural farm of the Xizang Agricultural and Animal Husbandry University using multiple brands of pheromone lures and delta traps set at three different heights: 120 cm, 90 cm, and 60 cm. The results indicated that the pheromone lure from the Fujian Zhangzhou South America brand accumulated the highest number of trapped moths, followed by the Beijing Zhongjie Sifang brand, with the Henan Keyun brand attracting the fewest. There was a significant difference in the number of diamondback moths attracted between the Fujian Zhangzhou South America brand and the other two brands. At different hanging heights, the height of 90 cm trapped the most diamondback moths, followed by 120 cm, with the least number trapped at 60 cm; however, there was no significant difference among the three heights. The height of 60 cm attracted the most non-target insects, followed by 90 cm and 120 cm, with little difference between the latter two, and no significant difference in the numbers trapped across the three heights. The conclusion suggests that in the rapeseed fields of Bayi District in Linzhi, the use of diamondback moth pheromone lures for pest control is effective. It is recommended to use the pheromone lure from the Fujian Zhangzhou South America brand at a hanging height of 90 cm, as this height traps the most diamondback moths while attracting fewer non-target insects and causing less harm to their natural enemies
小菜蛾 / 性诱剂 / 非靶标昆虫 / 诱集效果 / 舟型诱捕器
Plutella xylostella / Pheromone lure / Non-target insects / Trapping efficacy / Delta trap
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