欢迎来到天天文库
浏览记录
ID:56182932
大小:526.46 KB
页数:7页
时间:2020-06-05
《当归和蓖麻乙醇提取液对甜菜夜蛾生长发育和繁殖的亚致死效应.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中国生态农业学报2013年9月第21卷第9期ChineseJournalofEco-Agriculture,Sep.2013,21(9):1135-1141DoI:10.3724/SP.J.1011.2013.01135当归和蓖麻乙醇提取液对甜菜夜蛾生长发育和繁殖的亚致死效应水万年峰陈晓勤季香云蒋杰贤料(上海市农业科学院生态环境保护研究所上海市设施园艺技术重点实验室上海201403)摘要为探讨植物提取液对甜菜夜蛾的亚致死效应,本文建立了当归和蓖麻提取液毒力回归方程,测定了两种提取液亚致死剂量LC2o和LC30对幸存亲代和F代甜菜夜蛾生长发育和繁殖的影响。结
2、果表明:与对照组相比,这两种提取物的两个亚致死剂量对亲代和Fl代甜菜夜蛾2~5龄幼虫历期、亲代和F1代甜菜夜蛾蛹历期和雌雄蛹重均无显著影响;与对照组相比,当归LC20和LC3o处理后亲代甜菜夜蛾产卵量分别下降21.4%和26.5%,而Fl代分别下降45.4%和6t-3%,蓖麻LC20和LC30处理后亲代甜菜夜蛾产卵量分别下降23.5%和27_3%,而F代产卵量分别下降52.7%和61.0%;蓖麻LC20和LC0处理不会显著影响亲代甜菜夜蛾化蛹率和羽化率,而当归LC30显著降低了其化蛹率和羽化率;与对照组相比,当归LC2o和LC30对F1代甜菜夜蛾化蛹率无显
3、著影响,但LC3o显著降低了其羽化率,蓖麻LC。和LC3。显著降低了其羽化率且LC30显著降低了其化蛹率。这两种提取物的两个亚致死剂量作用后都干扰了甜菜夜蛾性比,当归LC30处理后亲代甜菜夜蛾雌雄性比为l:0.5,蓖麻LC30处理后F】代甜菜夜蛾雌雄性比为1:2.1。本文揭示了当归和蓖麻提取液亚致死剂量对甜菜夜蛾生长发育和繁殖有一定抑制作用,可为植物提取液亚致死效应研究提供理论依据。关键词当归蓖麻甜菜夜蛾亚致死效应生长发育繁殖中图分类号:Q968.1;$436文献标识码:A文章编号:1671.3990(2013)09—1135.07Sublethaleff
4、ectsofAngelicasinensisandRicinuscommunisextractsonthegrowth,developmentandfecundityofSpodopteraexiguaHiibnerWANNian—Feng,CHENXiao—Qin,JIXiang—Yun,JIANGJie—Xian(ShanghaiKeyLabofProtectedHorticulturalTechnology;InstituteofEcologicalEnvironmentProtectionResearch,ShanghaiAcademyofAgri
5、culturalSciences,Shanghai201403,China)AbstractThetoxicityregressionequationsforAngeficasinensisandRicinuscommuniswereestablished,andthesublethaldosage(LC2oandLC3o)efectsofthetwoextractsorlthegrowth,developmentandfecundityofbeetarmyworm(SpodopteraexiguaHtibner)anditsF1progenywerede
6、terminedinthispaper~Theresultssuggestedthatsublethaldosagesofthetwoextractshadnosignificantefectsondevelopmentdurationof2ha~5instarlarvaepupaldurationormale/femalepupalweightofsurvivingparentandF1,progenyofexigua.ThefecundityofparentS.exiguadecreasedby21.4%and26.5%respectivelyinA.
7、sinensisLC2oandLC3otreatments.comparedwiththecontro1.AlsothefecundityofS.exiguaFjprogenydecreasedby45.4%and61-3%respectivelyinLC2oandLC3otreatmentsofA.sinensis.Similarly,thefecundityofparentS.ex/guadecreasedby23.5%and27-3%inLC2owhilethatoftheF1progenydecreasedby52.7%and61.0%respec
8、tivelyinR.communisLC2oandLC3otrea
此文档下载收益归作者所有