| 加州新小绥螨对苹果全爪螨各螨态的捕食作用 |
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| 引用本文：黄婕,王蔓,门兴元,季洁,刘永杰,尹淑艳.加州新小绥螨对苹果全爪螨各螨态的捕食作用.植物保护学报,2020,47(1):46-52 |
| DOI：10.13802/j.cnki.zwbhxb.2020.2019017 |
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| 中文摘要:为明确加州新小绥螨Neoseiulus californicus对苹果全爪螨Panonychus ulmi的控制潜力，在实验室条件下测定加州新小绥螨对苹果全爪螨各螨态的捕食功能反应、捕食选择性及加州新小绥螨自身密度对其捕食的干扰效应。结果表明：在25℃时，加州新小绥螨对苹果全爪螨各螨态的功能反应均属于Holling Ⅱ型圆盘方程；加州新小绥螨对苹果全爪螨卵的捕食能力最强，为40.3，对幼螨、第1若螨、第2若螨和雌成螨次之，捕食能力分别为36.9、17.3、15.2、3.6；加州新小绥螨对苹果全爪螨卵、幼螨、第1若螨、第2若螨和雌成螨的日最大捕食量分别为34.5粒、26.3、13.5、12.2和3.0头；加州新小绥螨对苹果全爪螨卵、幼螨和第1若螨有较强的嗜食性，选择系数分别为1.4、1.5、1.1，对第2若螨和雌成螨没有嗜食性，选择系数分别为0.9和0；加州新小绥螨对苹果全爪螨的总捕食量随自身密度增大而增大，但单头捕食量和捕食作用率随着自身密度增大而下降，其捕食作用率E与自身密度P的关系模型为E=0.050P-0.544。表明加州新小绥螨对苹果全爪螨各螨态尤其是卵、幼螨和第1若螨均有较强的控制潜力。 |
| 中文关键词:加州新小绥螨 苹果全爪螨 功能反应 捕食选择 捕食干扰 |
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| Predation of European red mite Panonychus ulmi by predatory mite Neoseiulus californicus at different stages |
| Author Name | Affiliation | E-mail | | HUANG Jie | College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China | | | WANG Man | College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China | | | MEN Xingyuan | Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, Shandong Province, China | | | JI Jie | Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China | | | LIU Yongjie | College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China | shuyany@163.com | | YIN Shuyan | College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China
Shandong Forestry Pest Control Engineering Technology Research Center, Tai'an 271018, Shandong Province, China | lyj@sdau.edu.cn |
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| Abstract:In order to determine the predation capacity of the predatory mite, Neoseiulus californicus, to European red mite, Panonychus ulmi, the functional responses of N. californicus to P. ulmi at different stages, the prey selection of N. californicus on P. ulmi at different stages and the interference effect of the density of N. californicus on its predation capacity were studied in the laboratory. The results showed that the functional response of N. californicus to each developmental stage of P. ulmi was all fitted to Holling II disc equation at 25℃. The predation capability of N. californicus on the eggs of P. ulmi was the strongest with the value 40.3, followed by the larvae, protonymphs, deutonymphs and female adults, with the value of 36.9, 17.3, 15.2 and 3.6, respectively. The daily maximum predation amount of N. californicus on the eggs, larvae, protonymphs, deutonymphs and female adults of P. ulmi were 34.5, 26.3, 13.5, 12.2 and 3.0. N. californicus had strong preference for the eggs, larvae, protonymphs of P. ulmi, with a selection coefficient of 1.4, 1.5 and 1.1, but there was no preference for deutonymphs and female adults, with a selection coefficient of 0.9 and 0. The total predation amount of N. californicus on P. ulmi increased with the density of N. californicus, but the predation amount per predatory mite and the predation rate decreased with the density of N. californicus. The relationship between the predation rate and the density of N. californicus was in line with the model E=0.050P-0.544. The results showed that N. californicus had strong predation capability on each of the different developmental stages of P. ulmi, especially the egg, larva and protonymph stages. |
| keywords:Neoseiulus californicus Panonychus ulmi functional response prey selection predation interference |
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