| 云南怒江干热河谷区咖啡绿蚧周年发生规律研究 |
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| 引用本文： | 李贵平.云南怒江干热河谷区咖啡绿蚧周年发生规律研究[J].热带农业科技,2004,27(3):17-19,22. |
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| 作者姓名： | 李贵平 |
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| 作者单位： | 云南省农科院,热带经济作物研究所,云南,保山,678025 |
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| 摘 要： | 对云南怒江干热河谷区咖啡绿蚧的调查表明:咖啡绿蚧单株虫口数量变化与平均温度的变化呈显著正相关(r=0.6984),为害率的变化与单株虫口数量的变化呈极显著正相关(r=0.7651),繁殖速度与平均温度增量呈显著正相关(r=0.6984),扩散传播速度与繁殖速度呈极显著正相关(r=0.8408),周年变化曲线呈双峰曲线。
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| 关 键 词： | 咖啡绿蚧 虫口数量 为害率 繁殖速度 扩散传播速度 怒江 |
| 文章编号： | 1672-450X(2004)03-0017-03 |
Study on Annual Happening Rule of Coccus viridis in Arid-hot River Valley of Nujiang |
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| Abstract: | The investigation of Coccus viridis was carried on for 3 years in arid-hot Nujiang river valley.The resultshows that the correlation of population and average temperature is significant positive correlation (r=0.6984) ,thecorrelative index(r) of damage and population is 0.7651, the correlative index (r)of spread speed and reproduce speed is0.8408,the change curves has two apices during one year. |
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| Keywords: | Coccus viridis population damage degree spread speed Nujiang |
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