MA Yijie,WANG Shiquan,WANG Jing,et al.Analysis and Comprehensive Evaluation of Economic Characters of Linxia ‘Egg Skin Walnut’[J].Northern Horticulture,2022,(19):36-40.[doi:10.11937/bfyy.20220636]
地方资源“鸡蛋皮核桃”经济性状主成分分析及综合评价
- Title:
- Analysis and Comprehensive Evaluation of Economic Characters of Linxia ‘Egg Skin Walnut’
- 文献标志码:
- A
- 摘要:
- 以甘肃地方核桃品种“鸡蛋皮核桃”为试材,采用主成分分析法,研究了20个优选株系的平均产量、单果质量、粗脂肪含量、粗蛋白含量、青皮厚度、果形系数和水分含量等7个主要性状对“鸡蛋皮核桃”综合品质的影响,以期筛选出“鸡蛋皮核桃”的最优株系及最适经济性状评价方法。结果表明:经分析得出3个主要成分,其中第1主成分粗脂肪贡献率为32.178%,第2主成分粗蛋白贡献率为22.594%,第3主成分水分贡献率为17.083%,累计贡献率为71.855%;按主成分综合得分排序后可知,10、2、5、11、20号为前5名,这与该品种实际表现相符。由此可知,主成分分析可以作为评价“鸡蛋皮核桃”综合经济性状的主要方法之一。
- Abstract:
- Gansu local walnut variety ‘Egg Skin Walnut’ was used as the test material.The principal component analysis method was carried out.The effects of seven main characters,such as average yield,single fruit weight,crude fat content,crude protein content,green skin thickness,fruit shape index and water content of 20 preferred lines were studied,in order to screen out the best strain of ‘Egg Skin Walnut’ and the evaluation method of the best economic characters.The results showed that,three main components were obtained,of which the contribution rate of crude fat was 32.179%,crude protein contribution rate was 22.594%,water contribution rate was 17.083%,the cumulative contribution rate was 71.855%.According to the comprehensive score of principal components,No.10,No.2,No.5,No.11 and No.20 were the top five.The results were consistent with the actual performance of the breed,principal component analysis could be used as one of the main methods to evaluate the comprehensive economic characters of ‘Egg Skin Walnut’.
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备注/Memo
第一作者简介:马艺杰(1994-),女,硕士,助理研究员,现主要从事林木遗传育种等研究工作。E-mail:447806783@qq.com.责任作者:王世全(1971-),男,高级工程师,现主要从事技术示范推广等工作。E-mail:741685044@qq.com.基金项目:国家自然科学基金资助项目(31860204);甘肃省科技重大专项资助项目(18ZD2NA006-5);甘肃省农业科学院重点研发计划资助项目(2019GAAS13);核桃产业国家创新联盟资助项目(NAWI)。收稿日期:2022-02-23