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为探明烟夜蛾在辣椒碱含量不同的辣椒品种上生长发育和繁殖的差异,在室内条件下,通过选择性取食试验和构建种群生命表,比较了辣味程度依次下降的豫优鲜辣2号、豫艺绿冠、豫艺墨秀大椒和豫甜椒12号对烟夜蛾幼虫的取食选择性、生长发育和繁殖的影响。结果表明,烟夜蛾初孵、3龄和5龄幼虫在豫甜椒12号上的取食量比率分别为33.33%、34.22%和36.82%,均显著高于豫优鲜辣2号。在豫甜椒12号上的世代存活率为25.00%,显著高于豫艺绿冠和豫优鲜辣2号。取食豫甜椒12号时,种群加倍时间最短,仅需7.3290天;内禀增长率是取食豫优鲜辣2号的2倍;6龄幼虫对该品种的食物利用率和转化率均显著高于其它3个品种。说明豫甜椒12号品种更适宜烟夜蛾的生长发育和繁殖。
In order to find out the difference of growth, development and reproduction of the three species of pepper varieties with different contents of capsaicin in the tobacco budworm, the selective feeding test and the life table of the population were conducted to compare the decline of spicy taste Spicy No.2, Yuyi Green Crown, Yuyi Mo Xiu Pepper and Yuyitao 12 on feeding selectivity, growth and reproduction of Larvae of Plutella. The results showed that the first three larvae and the third instar larvae fed on Yuyaojiao 12 were 33.33%, 34.22% and 36.82%, respectively, which were significantly higher than that of Yuyou Xian spicy No.2. The survival rate in Yuyireng 12 was 25.00%, which was significantly higher than that of Yuyi green crown and Yuyou fresh spicy 2. When taking Yujiaojiao 12, the population doubling time was the shortest, only 7.3290 days; the intrinsic rate of increase was twice as that of Yuyou Xian spicy 2; the 6th instar larvae both had the food utilization rate and the conversion rate Significantly higher than the other three varieties. Description Yuyinjiao 12 varieties more suitable for the growth and reproduction of tobacco budworm.