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Occurrence characteristics of Empoasea vitis and their impact on yield of in Xinyang tea
Author(s): REN Honglou, JIANG Shuangfeng, ZHAO Fenghua, ZHU Wei
Pages: 70-
71,74
Year: 2013
Issue:
2
Journal: Journal of Tea
Keyword: 信阳; 发生特点; 危害损失;
Abstract: 本文通过系统调查研究信阳茶园假眼小绿叶蝉的发生规律,并利用网罩法测定了不同虫口密度对茶叶产量损失的影响.结果表明:假眼小绿叶蝉在信阳地区每年出现2个发生高峰,第1个出现在6月下旬至7月上中旬,第2个出现在9月上中旬;建立了不同虫口密度与产量损失的关系式为Y=0.2303X-0.5026和Y=0.2854X-0.8795(Y-产量损失;X-百叶虫数).研究结果能为我们制定信阳地区假眼小绿叶蝉的预报预警和防控防治措施提供借鉴.
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