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首页> 外文期刊>Scientia Agricola >Biological control of golden apple snail, Pomacea canaliculata by Chinese soft-shelled turtle, Pelodiscus sinensis in the wild rice, Zizania latifolia field
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Biological control of golden apple snail, Pomacea canaliculata by Chinese soft-shelled turtle, Pelodiscus sinensis in the wild rice, Zizania latifolia field

机译：中华soft对P稻田螺，氧化iz田中金苹果蜗牛的防治

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摘要

The wild rice, Zizania latifolia Turcz, used to be one of the important aquatic vegetables cultivated in China. Recently, the golden apple snail - GAS (Pomacea canaliculata (Lamarck)) was found to be a major invasive pest attacking Z. latifolia. To control efficiently GAS, predation by the Chinese soft-shelled turtles (Pelodiscus sinensis) on GAS was evaluated in laboratory and field trials. P. sinensis had a strong predatory capacity and selectivity for GAS both in laboratory and field conditions. All the sizes of P. sinensis prefer to capture smaller snails. The optimum number of P. sinensis released in Z. latifolia field was dependent on the density of over-wintered GAS, and varied between 30 and 50 turtles per 666.7 m2. The number of GAS declined in the fields with turtles as compared to turtle-free field. A pattern of releasing P. sinensis in Z. latifolia fields was developed and widely adopted by farmers because of much more benefit besides biologically controlling GAS.
机译：野生稻（Zizania latifolia Turcz）曾经是中国栽培的重要水生蔬菜之一。最近，金苹果蜗牛-GAS（Pomacea canaliculata（Lamarck））被发现是一种攻击害虫Z. latifolia的主要入侵害虫。为了有效地控制GAS，在实验室和野外试验中评估了中华on在中国GAS上的捕食行为。在实验室和野外条件下，中华假单胞菌对GAS都有很强的捕食能力和选择性。所有大小的中华绒螯蟹都喜欢捕获较小的蜗牛。在Z. latifolia田地中释放的中华对虾的最佳数量取决于越冬GAS的密度，每666.7平方米的海龟有30至50只。与没有龟的田相比，有龟的田中GAS数量下降了。由于在生物防治GAS方面有更多好处，因此开发了一种在宽叶紫菜田中释放中华绒螯蟹的模式，并被农民广泛采用。

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