作 者：
付兴飞;胡发广;李亚麒;李亚男;黄家雄;李贵平;杨旸;邰杰
关键词：
咖啡绿蚧;小粒咖啡;果实品质;相关性分析;主成分分析
摘 要：
为明确咖啡绿蚧对小粒咖啡果实的影响,通过对果实的13个表型性状进行测定,分析有无咖啡绿蚧危害对咖啡果实的影响.结果表明,咖啡绿蚧危害显著降低了浆果重、浆果纵径、浆果横径、种子纵径、种形指数、果皮重、种子数,显著提高了果实硬度.咖啡大多数果实性状间存在相关性,咖啡绿蚧危害对果实间性状相关性产生了影响,有无咖啡绿蚧危害的果实共同相关性状有4对,差异相关性状分别为4对和6对.主成分分析显示,13个表型性状可归纳为2个主成分,分别为种子数量因子和硬度因子,最终确定种子数和硬度2个指标可作为咖啡绿蚧影响小粒咖啡果实的关键性指标.
译 名：
Effects of Coccus viridis on the Fruit of Coffea arabica
单 位：
Institute of Tropical and Subtropical Cash Crops,Yunnan Academy of Agricultural Sciences,Baoshan 678000,Yunnan;Economic Crop Technology Promotion Station in Longyang District of Baoshan,Baoshan 678000,Yunnan;Zuoyuan Coffee Co.,Ltd.in Longyang District of Baoshan,Baoshan 678000,Yunnan
关键词：
Coccus viridis%Coffea arabica%fruit quality%correlation analysis%principal component analysis
摘 要：
In order to clarify the impact of Coccus viridis on Coffea arabica fruits,13 phenotypic traits of coffee fruits were measured to analyze the effects of Coccus viridis on the coffee fruits.The results showed that the damage of Coccus viridis significantly reduced berry weight,berry longitudinal diameter,berry transverse diameter,seed longitudinal diameter,seed shape index,peel weight and seed number,and significantly improved the fruit hardness.There was a correlation between most fruit traits in coffee,and the damage caused by Coccus viridis had an impact on the correlation between fruit traits.There were 4 pairs of common correlations between fruits with and without Coccus viridis damage,with 4 and 6 pairs of differentially related traits,respectively.Principal component analysis showed that 13 phenotypic traits could be summarized into 2 principal components,namely seed quantity factor and hardness factor.Finally,two key indicators,namely the number of seeds and hardness,were determined as the key indicators for the impact of Coccus viridis on Coffea arabica fruits.
