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首页> 外文期刊>Nematropica >NON-TARGET EFFECTS OF SUNN HEMP AND MARIGOLD COVER CROPS ON THE SOIL INVERTEBRATE COMMUNITY
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NON-TARGET EFFECTS OF SUNN HEMP AND MARIGOLD COVER CROPS ON THE SOIL INVERTEBRATE COMMUNITY

机译：孙麻和万寿菊对土壤无脊椎动物群落的非目标影响

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McSorley, R., D. R. Seal, W. Klassen, K.-H. Wang, and C. R. R. Hooks. 2009. Non-target effects of sunn hemp and marigold cover crops on the soil invertebrate community. Nematropica 39:235-245. Two field experiments were carried out in south Florida to determine the effects of summer cover cropping practices on soil nematode communities and other soil invertebrates. Treatments consisted of a summer cover crop of 'Tropic Sun' sunn hemp (Crotalaria juncea), a cover crop of 'Single Gold' marigold (Tagetes patula), or bare fallow. Following termination of cover crops in early fall, all of the plots were planted with a winter vegetable crop of yellow squash (Cucurbita pepo). Among the plant-parasitic nematodes, Quinisulcius acutus was suppressed by sunn hemp, but Helicotylenchus dihystera increased on marigold. Bacterivorous nematodes were stimulated following the sunn hemp cover crop but treatment differences did not persist through the subsequent vegetable crop. Population levels of soil mites showed a similar trend. Omnivorous and predatory nematodes were not affected consistently by cover crop treatments. Yield of yellow squash was greater following sunn hemp than marigold or fallow. Results suggest that sunn hemp is a versatile cover crop that can differentially lower numbers of some plant-parasitic nematodes and temporarily stimulate beneficial nematodes and soil mites.
机译：McSorley，R.，D.R. Seal，W.Klassen，K. Wang和C.R.R.Hooks。 2009。Sun大麻和万寿菊覆盖作物对土壤无脊椎动物群落的非目标影响。 Nematropica 39：235-245。在佛罗里达州南部进行了两次田间试验，以确定夏季耕作方式对土壤线虫群落和其他土壤无脊椎动物的影响。处理措施包括夏季覆盖作物“ Tropic Sun” sunn麻（Crotalaria juncea），覆盖作物“ Single Gold”万寿菊（Tagetes patula）或裸露休闲草。在秋季初秋覆盖作物终止后，所有地块都种植了冬季西葫芦黄南瓜（南瓜属）。在植物寄生线虫中，奇异刺线虫被Sunn大麻抑制，而万寿菊Helicotylenchus dihystera增加。麻麻覆盖作物之后，细菌性线虫被刺激，但是在随后的蔬菜作物中，治疗差异并未持续。土壤螨的种群水平也显示出类似的趋势。杂食性和掠食性线虫并未受到覆盖作物处理的一致影响。晒麻后黄南瓜的产量要比万寿菊或休闲地高。结果表明，sun麻是一种多功能的遮盖作物，可以不同程度地减少一些植物寄生线虫的数量，并暂时刺激有益的线虫和土壤螨。

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