| 巴氏新小绥螨对芒果茶黄蓟马的功能反应研究 |
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| 引用本文： | 周炀,陈俊谕,蔡笃程,符悦冠.巴氏新小绥螨对芒果茶黄蓟马的功能反应研究[J].热带作物学报,2020,41(5):1001-1006. |
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| 作者姓名： | 周炀 陈俊谕 蔡笃程 符悦冠 |
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| 作者单位： | 1. 海南大学植物保护学院,海南海口 5702282. 中国热带农业科学院环境与植物保护研究所,海南海口 571101 |
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| 基金项目： | 国家重点研发计划(2017YFD0202100);中央级公益性科研院所基本科研业务费专项(1630042017009);“一带一路”热带项目(BARTP-08) |
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| 摘 要： | 为明确巴氏新小绥螨(Neoseiulus barkeri Hughes)本研究对芒果上茶黄蓟马(Scirtothrips dorsalis Hood)的控害潜能,在室内温度(27±1)℃、RH (75±5)%的条件下,研究了不同虫态巴氏新小绥螨对茶黄蓟马的捕食效能,并通过其瞬时攻击率(a)、处理时间(Th)和捕食效能(a/Th)等参数进行综合评价。结果表明:巴氏新小绥螨对茶黄蓟马的成虫、1龄和2龄若虫均可取食,并具有一定的捕食能力。随着猎物密度的增加,捕食螨日取食量逐渐增加,其中巴氏新小绥螨雌成螨和第2若螨对茶黄蓟马1龄若虫的捕食效能最大,每日分别达10.35、12.82头,而雄成螨对茶黄蓟马2龄若虫的捕食效能最大,为每日12.48头。巴氏新小绥螨的雌成螨和雄成螨均对茶黄蓟马的2龄若虫表现出最强的瞬时攻击率,分别为1.0227和1.1208,第2若螨则对茶黄蓟马的雌成虫表现出最大攻击率,为1.5774。
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| 关 键 词： | 巴氏新小绥螨 芒果 茶黄蓟马 功能反应 捕食效能 |
| 收稿时间： | 2019-08-20 |
Functional Response of Neoseiulus barkeri to Scirtothrips dorsalis Hood of Mango |
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| ZHOU Yang,CHEN Junyu,CAI Ducheng,FU Yueguan.Functional Response of Neoseiulus barkeri to Scirtothrips dorsalis Hood of Mango[J].Chinese Journal of Tropical Crops,2020,41(5):1001-1006. |
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| Authors: | ZHOU Yang CHEN Junyu CAI Ducheng FU Yueguan |
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| Institution: | 1. College of Plant Protection, Hainan University, Haikou, Hainan 570228, China2. Institute of Environment and Plant Protection, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China |
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| Abstract: | In order to determine the damage control potential of Neoseiulus barkeri on Scirtothrips dorsalis Hood of mango, the predation ability of N. barkeri on S. dorsalis Hood of mango was observed under the conditions of temperature of (27±1)℃ and RH (75±5)% in the room. The predation efficiency of different insect states of N. barkeri on S. dorsalis Hood was comprehensively assessed by the instantaneous attack rate (a), handing time (Th), predationcapacity (a/Th) and other parameters. N. barkeri could feed on the adults, nymphs of the first and second age of S. dorsalis Hood, and had a certain predating ability. With the increase of prey density, the daily feeding amount of predatory mites increased gradually. Among them, the female adult mite and deutonymph mite had the largest predationcapacity to the nymph of the first age of S. dorsalis Hood (10.35 and 12.82 per day, respectively), while the male adult mite had the largest predationcapacity to the nymph of the second age of S. dorsalis Hood (12.48 per day). The female and male adult mites of Apterygium barbati showed the strongest instantaneous attack rate to the 2-year nymph of the S. dorsalis Hood (1.0227 and 1.1208, respectively), while the deutonymph mite showed the maximum instantaneous attack rate to the female adults of S. dorsalis Hood (1.5774). |
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| Keywords: | Neoseiulus barkeri mango Scirtothrips dorsalis Hood functional response predatory efficiency |
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