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题名: Sublethal impact of paraquat on the life span and parasitic behavior of Diaeretiella rapae M'Intosh
作者: Xu, Rui1; Mortimer, Peter E.2, 3; Kuang, Rong Ping4; He, Jun2, 5; Zhang, Wu Di1; Yin, Fang1
刊名: JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
关键词: Toxicity ; functional response ; herbicide ; natural predator ; biological control
英文摘要: This study focuses on assessing the impact of sublethal doses of paraquat on the survival, the emergence, the life span and the parasitic behavior of Diaeretiella rapae M'Intosh (Hymenoptera: Braconidae). The impact of sublethal doses was measured at room temperature using different densities of the cabbage aphid Brevicoryne brassicae. The results reveal that the field dose of paraquat caused 100% mortality in D. rapae. The percentage emergence of D. rapae decreased from 80.5% in the control group to 71.5% when treated with the lowest concentration of paraquat. Similarly, the life span of parasitoids that emerged from the mummy treated with paraquat also decreased significantly. Oviposition capability and ovipositor thrusting frequency of D. rapae also treated with sublethal dose paraquat decreased significantly along with a shortened patch residence time in the foraging area.
出版日期: 2013-08-03
卷号: 48, 期号:8, 页码:651-657
语种: 英语
ISSN号: 0360-1234
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16483
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Yunnan Normal Univ, Sch Energy & Environm Sci, Kunming, Peoples R China
2.ICRAF China & East Asia Node, World Agroforestry Ctr, Heilongtan, Kunming, Peoples R China
3.Kunming Inst Bot, Ctr Mt Ecosyst Studies, Kunming, Peoples R China
4.Yunnan Univ, Coll Life Sci, Kunming, Peoples R China
5.Yunnan Agr Univ, Coll Econ & Management, Kunming 650204, Peoples R China

Recommended Citation:
Xu, Rui; Mortimer, Peter E.; Kuang, Rong Ping; He, Jun; Zhang, Wu Di; Yin, Fang.Sublethal impact of paraquat on the life span and parasitic behavior of Diaeretiella rapae M'Intosh,JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES,2013,48(8):651-657
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