[1]陈琼,陈洁琼,黄水金,等.小菜蛾对唑虫酰胺的抗性现实遗传力及风险评价[J].江苏农业学报,2015,(02):267-271.[doi:10.3969/j.issn.1000-4440.2015.02.007]
 CHEN Qiong,CHEN Jie-qiong,HUANG Shui-jin,et al.Realized heritability and risk assessment of resistance of Plutella xylostella to tolfenpyrad[J].,2015,(02):267-271.[doi:10.3969/j.issn.1000-4440.2015.02.007]
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小菜蛾对唑虫酰胺的抗性现实遗传力及风险评价()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年02期
页码:
267-271
栏目:
植物保护
出版日期:
2015-04-30

文章信息/Info

Title:
Realized heritability and risk assessment of resistance of Plutella xylostella to tolfenpyrad
作者:
陈琼陈洁琼黄水金陈洪凡秦文婧秦厚国
(江西省农业科学院植物保护研究所,江西南昌330200)
Author(s):
CHEN QiongCHEN Jie-qiongHUANG Shui-jinCHEN Hong-fanQIN Wen-jingQIN Hou-guo
(Institute of Plant Protection, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China)
关键词:
小菜蛾唑虫酰胺抗性现实遗传力抗性风险
Keywords:
Plutella xylostellatolfenpyradrealized resistance heritabilityresistance risk
分类号:
S481+.4
DOI:
10.3969/j.issn.1000-4440.2015.02.007
文献标志码:
A
摘要:
为了明确小菜蛾对唑虫酰胺的抗性风险,为唑虫酰胺的合理应用提供理论依据,在室内用唑虫酰胺对小菜蛾进行抗性选育,并应用域性状分析法,研究了小菜蛾对唑虫酰胺的抗性现实遗传力(h2)和抗性发展速率。结果表明,连续筛选前13代( F0~F13 ),小菜蛾对唑虫酰胺的抗性现实遗传力为0.124 9;停止筛选2代后,再连续筛选11代( F16~F26 ),抗性现实遗传力为0.183 4;整个26代筛选期间,现实遗传力为0.167 2。当h2=0.167 2时,在致死率为50%~90%的选择压力下,预计小菜蛾对唑虫酰胺的抗性增长10倍需要15.0~6.8代,表明小菜蛾对唑虫酰胺产生抗性的风险较大。
Abstract:
To evaluate the resistance risk of diamondback moth(Plutella xylostella) to tolfenpyrad and to provide positive guidance for scientific application of tolfenpyrad, P. xylostella were selected in the laboratory for resistance to tolfenpyrad. The realized resistance heritability and generations holding a 10-time increase in LC50 were evaluated based on the Tabashnik’s method (threshold trait analysis). The realized resistance heritability (h2) was 0.124 9 for F0-F13 and 0.184 3 for F16-F26, during which there were a total of 2 generations without selection. The realized resistance heritability for the entire selection period was 0.167 2, according to which it would take 15.0~6.8 generations for P. xylostella to develop 10-time resistance to tolfenpyrad under selection pressure of 50%-90% mortality for each generation. These results indicated that P. xylostella may have significant resistance risk to tolfenpyrad.

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备注/Memo

备注/Memo:
收稿日期:2014-09-10 基金项目:江西省科技支撑计划项目(20122BBF60102);公益性行业(农业)科研专项(201103021)〖ZK)〗 作者简介:陈琼(1983-), 女,江西高安人,硕士,助理研究员,主要从事昆虫毒理学与害虫综合治理研究。(Tel)13870097151;(E-mail):jonecq2000@sina.com。陈洁琼为共同第一作者。 通讯作者:黄水金,(E-mail)sjhuang@aliyun.com
更新日期/Last Update: 2015-04-30