摘要
为明确不同氮气体积分数对赤拟谷盗生长发育和种群动态的影响,研究在27~29℃、相对湿度70%~80%,氮气体积分数分别为78%(对照组)、90%、95%、98%下赤拟谷盗的发育历期、存活率、产卵量及其他生命表参数。结果表明,不同氮气体积分数对赤拟谷盗生长发育和繁殖具有显著影响。在78%、90%氮气体积分数下,增加氮气体积分数对赤拟谷盗卵、幼虫、蛹的发育有明显的抑制作用。赤拟谷盗每雌产卵量随着氮气体积分数的增加而显著减少;赤拟谷盗世代平均周期(T)、种群加倍时间(D_(t))随着氮气体积分数的增加而增加。种群净增值率(R_(0))、种群趋势指数(I)、内禀增长率(r_(m))、周限增长率(λ)均随着氮气体积分数的增加而降低。当氮气体积分数为95%、98%时,赤拟谷盗不能完成世代发育。在相同氮气体积分数下赤拟谷盗各虫态间的发育历期差异显著。氮气气调处理对赤拟谷盗卵的孵化率、1~5龄幼虫及蛹的存活率均有显著的抑制作用,对赤拟谷盗6龄、7龄幼虫和预蛹的存活率无显著影响。
In order to clarify the effects of different nitrogen levels on the growth,development,and population dynamics of Tribolium castaneum,the development duration,survival rate,fecundity,and other related life table parameters of T.castaneum were investigated at 27~29℃,70%~80%RH,and different nitrogen levels of 78%(control),90%,95%and 98%.The results indicated that the volume fraction of nitrogen had a significant effect on the growth,development,and reproduction of T.castaneum.When the volume fraction of nitrogen varied from 78%to 90%,the development of the eggs,larvae,and pupae of T.castaneum was significantly inhibited by increasing volume fraction of nitrogen.The number of eggs laid by per female of T.castaneum decreased significantly with increasing volume fraction of nitrogen;the generation period(T)and doubling time(D_(t))of T.castaneum increased with increasing nitrogen level.However,the population growth rate(R_(0)),population trend index(I),intrinsic growth rate(r_(m)),and finite rate of increase(λ)decreased with increasing nitrogen level.When the volume fraction of nitrogen was 95%and 98%,the generation development of T.castaneum could not be completed.At the same nitrogen level,the developmental duration of the different insect stages was significantly different.The hatching rate of egg,the survival rate of 1st-5th instar larva,and the survival rate of pupae were inhibited by modified atmosphere with nitrogen stress.However,there was no significant effect on the survival rate of 6th-7th larvae and pupa.
作者
许俊亚
吕建华
白春启
唐培安
郭超
白月亮
赵超
Xu Junya;LüJianhua;Bai Chunqi;Tang Peian;Guo Chao;Bai Yueliang;Zhao Chao(Henan Collaborative Innovation Center for Grain Storage Security,School of Food and Strategic Reserves,Henan University of Technology ,Zhengzhou 450001;College of Food Science and Engineering,Nanjing University of Finance and Economics ,Nanjing 210023;Guangdong Institute for Cereal Science Research ,Guangzhou 510050)
出处
《中国粮油学报》
CAS
CSCD
北大核心
2023年第12期53-59,共7页
Journal of the Chinese Cereals and Oils Association
基金
“十四五”国家重点研发计划项目(2021YFD2100604)。
关键词
充氮气调
赤拟谷盗
生命表
生长发育
modified atmosphere with nitrogen
Tribolium castaneum
lifetable
growth and development
