不同修剪模式对有机茶园节肢动物群落多样性的影响

王友平; 李儒海; 毛迎新; 谭荣荣; 陈勋; 王红娟; 饶辉福; 丁坤明

不同修剪模式对有机茶园节肢动物群落多样性的影响

1.
湖北省农业科学院植保土肥研究所,湖北武汉 430064
2.
湖北省农业科学院果树茶叶研究所,湖北武汉 430064
3.
咸宁市农业科学院,湖北咸宁 437100

基金项目: 国家茶叶产业技术体系（CARS-23），湖北省农业科技创新中心资助项目（2011-620-005-003-04）。

详细信息

作者简介:
王友平（1961-），男，研究员，主要从事茶树病虫害综合治理研究。

通讯作者:
毛迎新（1980-），男，助理研究员，主要从事茶树病虫害综合治理研究。E-mail:maoyingxin@126.com

中图分类号: S435.711
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出版历程
- 收稿日期: 2015-07-22
- 修回日期: 2015-08-26
- 发布日期: 2015-09-14

Effects of Pruning on Biodiversity of Arthropod Communities at Organic Tea Plantations

1.
Institute of Plant Protection, Soil and Fertilizers, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
2.
Institute of Fruit and Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
3.
XianningAcademyofAgriculturalSciences, Xianning, Hubei 437100, China

摘要

摘要: 对夏季轻修剪、深修剪和不修剪的有机茶园中节肢动物群落进行了调查。结果表明，与不修剪相比，轻修剪1、2个月后对茶树害虫和天敌均产生了显著影响，深修剪的影响更大。修剪1个月后，轻修剪和深修剪茶树上假眼小绿叶蝉、茶尺蠖、茶橙瘿螨和蜘蛛的数量显著下降；修剪2个月后，轻修剪和深修剪茶树上假眼小绿叶蝉的数量显著增加，说明两种修剪方式均可推迟假眼小绿叶蝉虫口高峰出现的时间，深修剪还可有效避过茶橙瘿螨的危害。修剪3、4个月后，轻修剪、深修剪和不修剪茶树上节肢动物群落多样性指数和益害比差异不显著。轻修剪对有机茶园吸汁性害虫的持续控制效果可达1个月，深修剪的控制效果更好，但是需要统筹考虑防虫、养蓄天敌和后续茶叶的生产，要慎重选择。
- 修剪模式 /
- 节肢动物 /
- 群落多样性 /
- 茶园
Abstract: Effect of plant pruning on the biodiversity of arthropod communities at organic tea plantations were investigated in the summer. Tea plants were subjected to light, deep or no pruning for observation in changes on the biodiversity at the plantations. The results indicated thatone or two months after alight pruning,both pests and natural enemies were significantlyaffected. The effect was even greater whena deep pruning was applied. A month after a deep pruning,the number of arthropods includingEmpoasca vitis, Ectropis obliqua, Acaphyllatheaeand spiders were significantly reduced as compared with that without pruning. However, one month later,theEmpoasca vitiscounts began to increase. Both light and deep pruning delayed the initial peak on the small green leafhopper count, and the deep pruning completely avoided the damage caused by the tea pink mites. In 3 or 4 months, no significant difference in arthropod community diversity index,nor the ratio of natural enemy/pest biomass, was observed among the treatments. Light pruning couldputthe leaf-sucker population in the plantations under controlfor as long as one month. Although deep pruning showed an even greater effect with respect topest reduction and natural enemy protection, the accumulated and subsequent tea production needed to be considered as well for a balanced benefit.
- pruning /
- arthropod /
- biodiversity /
- tea plantation

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参考文献(1)

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