| 利用腹管食螨瓢虫控制柑桔全爪螨的研究 |
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| 引用本文： | 黄邦侃,罗肖南,宋寿龄.利用腹管食螨瓢虫控制柑桔全爪螨的研究[J].植物保护学报,1988,15(1):1-6. |
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| 作者姓名： | 黄邦侃 罗肖南 宋寿龄 |
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| 作者单位： | 福建农学院，福建农学院，福建农学院 |
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| 摘 要： | 本文报道分布于中国东南部的腹管食螨瓢虫Stethorus siphonulus Kapur大面积控制柑桔全爪螨Panonychus citri(McGregor)首获成功;试验示范面积2000多亩,证明保护食螨瓢虫,一般株有瓢虫20—40只者,可无需用药。在春季移殖散放食螨瓢虫,除能控制春季桔全爪螨外,尚可继续控制桔全爪螨的秋季种群,全年无需喷药防治。倘若单独在秋梢期散放食螨瓢虫,秋梢害螨亦可得到显著的控制。移殖散放食螨瓢虫的指标为叶平均有桔全爪螨(包含卵在内各虫态)10只以上,方能建立起瓢虫群落。一般30—40亩果园,只需集中在10株桔树上散放食螨瓢虫200只左右(每株20只),短期内即可繁殖扩散至全园。在大面积桔园,适时进行瓢虫转株再移殖,可以迅速扩大控制范围。
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BIOLOGICAL CONTROL OF CITRUS RED MITE(PANONYCHUS CITRI) BY RELEASING STETHORUS SIPHONULUS KAPUR(COLEOPTERA:COCCINELLIDAE) IN SOUTHEAST CHINA |
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| Huang Bangkan,Luo Xiaonan and Song Shouling.BIOLOGICAL CONTROL OF CITRUS RED MITE(PANONYCHUS CITRI) BY RELEASING STETHORUS SIPHONULUS KAPUR(COLEOPTERA:COCCINELLIDAE) IN SOUTHEAST CHINA[J].Acta Phytophylacica Sinica,1988,15(1):1-6. |
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| Authors: | Huang Bangkan Luo Xiaonan and Song Shouling |
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| Affiliation: | Fujian Agricultural College,Fujian Agricultural College and Fujian Agricultural College |
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| Abstract: | Successful control of Panonychus citri by releasing S. siphonulus was achieved in 2000 mu citrus orchards of Fujian Province during 1983-1986.In the experimental orchards, no pesticides was neccessary to control the pest mite, when 20-40 predators were present per tree.Introduction and release of S. siphonulus in spring showed a prolonged control of the pest in spring and autumn.When S. siphonulus was released in autumn, a good control result was obtained for the releasing season.The threshold of P. citri density for the introduction and establishment of S. siphonulus in citrus orchards was found to be over 10 mite per leaf.Inoculative releases of 200 predator on 10 citrus trees at a rate of 20 predators/tree in such of the 30-40 mu orchard resulted in quick disperse of the predator throughout the orchards.For orchards over 50 mu, redistribution of the predator within the orchards could enhance the control effect. |
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