[1]张志春,张怡,沈迎春,等.杀虫真菌爪哇棒束孢对非洲菊烟粉虱作用特点和控害效果[J].江苏农业学报,2020,(06):1398-1402.[doi:doi:10.3969/j.issn.1000-4440.2020.06.007]
　ZHANG Zhi-chun,ZHANG Yi,SHEN Ying-chun,et al.Characteristics and control effects of insecticidal fungus Isaria javanica against Bemisia tabaci of Gerbera jamesonii[J].,2020,(06):1398-1402.[doi:doi:10.3969/j.issn.1000-4440.2020.06.007]
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杀虫真菌爪哇棒束孢对非洲菊烟粉虱作用特点和控害效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年06期
页码:
1398-1402
栏目:
植物保护
出版日期:
2020-12-31

文章信息/Info

Title:
Characteristics and control effects of insecticidal fungus Isaria javanica against Bemisia tabaci of Gerbera jamesonii
作者:
张志春1; 张怡2; 沈迎春2; 郭慧芳1
(1.江苏省农业科学院植物保护研究所，江苏南京210014;2．江苏省农药总站，江苏南京210036)
Author(s):
ZHANG Zhi-chun1; ZHANG Yi2; SHEN Ying-chun2; GUO Hui-fang1
(1.Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014， China;2.Jiangsu Institute for the Control of Agrochemicals, Nanjing 210036， China)
关键词:
非洲菊; 烟粉虱; 爪哇棒束孢; 生物防治
Keywords:
Gerbera jamesonii Bolus; Bemisia tabaci; Isaria javanica; biological control
分类号:
S433
DOI:
doi:10.3969/j.issn.1000-4440.2020.06.007
文献标志码:
A
摘要:
烟粉虱是非洲菊上常发害虫，主要依赖化学防治，但常用药剂防治效果一般，生物防治是理想的替代手段。本研究首先鉴定非洲菊烟粉虱的生物型，然后测定虫生真菌爪哇棒束孢对非洲菊烟粉虱的室内杀虫活性，并对其田间防治效果进行评价。结果表明，非洲菊烟粉虱属于Q型；爪哇棒束孢含量为1 ml 1×106孢子以上对非洲菊烟粉虱成虫即具有很高的致病力，3 d后校正死亡率达90%以上，7 d后非洲菊烟粉虱成虫全部死亡；在湿度大于85%条件下，1 ml 5.0×109孢子爪哇棒束孢油悬剂稀释到1 ml 2.5×106孢子，对田间非洲菊烟粉虱具有较高的防治效果，药后14 d和21 d的校正防效分别为88.60%和94.21%。说明虫生真菌爪哇棒束孢对非洲菊上的烟粉虱致病力高且实际防治效果好，可用于非洲菊等花卉烟粉虱的防治。
Abstract:
Whitefly is a common pest of Gerbera Jamesonii, which mainly depends on chemical control, but the common pesticides are not effective, and biological control is an ideal alternative method. In this study, the biotype of Bemisia tabaci was identified, then the toxicity and control effect of Isaria javanica against Bemisia tabaci were tested. The results showed that the Bemisia tabaci belonged to Q-type. When the content of Isaria javanica was more than 1×106 spores per milliliter， it had high pathogenicity to Bemisia tabaci with revised mortality rates above 90% and 100% at three and seven days. The 5.0×109 spores per milliliter Isaria javanica oil suspension had high control effect on Bemisia tabaci in the field with relative humidity above 85%. The corrected control effect was over 88.60% and 94.21% after 14 and 21 days at 2.5×106 spores per milliliter. These results indicate that the Isaria javanica has high pathogenicity against Bemisia tabaci of Gerbera jamesonii, and the control effect is good, so insecticidal fungus Isaria javanica can be used to control Bemisia tabaci in flowers.

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备注/Memo

备注/Memo:
收稿日期：2020-05-26基金项目：江苏省农业科技自主创新基金项目[CX(12)3059]；江苏省农业科学院基金项目(611610)；江苏省农业三新工程项目[SXGC(2017)209、JATS(2018)199、JATS(2019)323]；江苏省特经作物安全用药筛选与登记项目(2019-SJ-024、2018-SJZJ002)作者简介：张志春(1981-)，男，江苏如皋人，博士，副研，主要从事害虫生物防治研究。(E-mail)463603441@qq.com通讯作者：郭慧芳，(E-mail)guohf@jaas.ac.cn；沈迎春，(E-mail)515512896@qq.com
更新日期/Last Update: 2021-01-15