山东潍坊玉米田桃蛀螟种群动态监测及性诱效果评价

Population monitoring and sex attractant trapping of Conogethes Punctiferalis(Guenée) in corn field in Weifangof Shandong

2019—2021年在山东潍坊利用投射灯监测桃蛀螟发生动态,并于2021年玉米生长后期对桃蛀螟性诱监测结果进行评价。结果表明,桃蛀螟灯下发生高峰主要集中在8月中旬至9月下旬。有效成分为顺-10-十六碳烯醛∶反-10-十六碳烯醛=1∶9、含量为100μg的诱芯玉米田桃蛀螟的诱集效果优于50μg的诱芯。

Conogethes Punctiferalis(Guenée) is the main pest in the summer corn area of China, which not only harms the yield of corn but also reduces the quality of corn. From 2019 to 2021, the occurrence dynamics of C. Punctiferalis were monitored with the searchlight in Weifang and the results of sex attractant monitoring of C. punctiferalis were evaluated in the late growth stage of maize in 2021. The results showed that the occurrence period of C. Punctiferalis was from the beginning of August to the middle of mid-October, and peaked from mid-August to late September. The sex pheromone of cis-10-hexadecenal:trans-10-hexadecenal=1 ∶9 was used to trap C. Punctiferalis, and the trapping effect of 100 μg lures was better than that of 50 μg lures.