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首页> 美国卫生研究院文献>other >Selection of Nectar Plants for Use in Ecological Engineering to Promote Biological Control of Rice Pests by the Predatory Bug Cyrtorhinus lividipennis (Heteroptera: Miridae)
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Selection of Nectar Plants for Use in Ecological Engineering to Promote Biological Control of Rice Pests by the Predatory Bug Cyrtorhinus lividipennis (Heteroptera: Miridae)

机译：通过捕食性臭虫（Cyrtorhinus lividipennis）选择用于生态工程的花蜜植物以促进水稻害虫的生物防治（后翅目：Mir科）

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Ecological engineering for pest management involves the identification of optimal forms of botanical diversity to incorporate into a farming system to suppress pests, by promoting their natural enemies. Whilst this approach has been extensively researched in many temperate crop systems, much less has been done for rice. This paper reports the influence of various plant species on the performance of a key natural enemy of rice planthopper pests, the predatory mirid bug, Cyrtorhinus lividipennis. Survival of adult males and females was increased by the presence of flowering Tagetes erecta, Trida procumbens, Emilia sonchifolia (Compositae), and Sesamum indicum (Pedaliaceae) compared with water or nil controls. All flower treatments resulted in increased consumption of brown plant hopper, Nilaparvata lugens, and for female C. lividipennis, S. indicum was the most favorable. A separate study with a wider range of plant species and varying densities of prey eggs showed that S. indicum most strongly promoted predation by C. lividipennis. Reflecting this, S. indicum gave a relatively high rate of prey search and low prey handling time. On this basis, S. indicum was selected for more detailed studies to check if its potential incorporation into the farming system would not inadvertently benefit Cnaphalocrocis medinalis and Marasmia patnalis, serious Lepidoptera pests of rice. Adult longevity and fecundity of both pests was comparable for S. indicum and water treatments and significantly lower than the honey solution treatment. Findings indicate that S. indicumis well suited for use as an ecological engineering plant in the margins of rice crops. Sesame indicum can be a valuable crop as well as providing benefits to C. lividipennis whilst denying benefit to key pests.
机译：有害生物管理的生态工程涉及确定最佳的植物多样性形式，以便通过促进其天敌将其纳入耕作系统以抑制有害生物。尽管已经在许多温带作物系统中对这种方法进行了广泛的研究，但对水稻的研究却很少。本文报道了各种植物物种对稻飞虱害虫的主要天敌捕食性mi虫Cyrtorhinus lividipennis的影响。与无水或无水的对照相比，开花的万寿菊，直立Trida，枯草艾米（Esilia sonchifolia）（菊科）和印度芝麻（Pedaliaceae）的存在增加了成年男性和女性的存活率。所有花卉处理均导致褐飞虱Nilaparvata lugens的消耗量增加，而对于雌性C. lividipennis，印度靛蓝是最有利的。一项针对更广泛的植物物种和不同密度的猎物鸡蛋的单独研究表明，印度夹心链菌最能促进淡色梭菌的捕食。反映这一点的是，S。indicum提供了相对较高的猎物搜索率和较低的猎物处理时间。在此基础上，选择了S. indicum进行更详细的研究，以检查其潜在结合到耕作系统中是否不会不经意地使稻纵纹夜蛾和稻米鳞翅目害虫（Cnaphalocrocis medinalis）和Marasmia patnalis受益。两种有害生物的成年寿命和繁殖力与印度毒杆菌和水处理相当，远低于蜂蜜溶液处理。研究结果表明，S。indicumis非常适合用作水稻作物边缘的生态工程植物。芝麻标记可以成为有价值的农作物，并且可以为 C提供好处。 lividipennis 同时否认对主要害虫有好处。

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