宁南山区苜蓿牛角花齿蓟马暴发生态诱因初探
Ningxia Journal of Agriculture and Forestry Science and technology（2019）
Abstract
采用人工接虫法和野外调查法,研究宁夏南部山区牛角花齿蓟马对苜蓿的危害.结果表明,苜蓿干质量损失和接虫量存在显著正相关(<0.05),牛角花齿蓟马的种群数量与降雨量呈负相关(<0.05),温度也是影响牛角花齿蓟马种群的关键因素,牛角花齿蓟马的种群数量与不同生境的差异性不显著.宁南山区牛角花齿蓟马的防治应当在6月之前开始,此外考虑温度、降雨量等生态因素对牛角花齿蓟马种群繁殖和扩散的影响.
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