不同洋葱品种资源生物学特性评价及主成分分析

Biological Characteristics Evaluation and Principal Component Analysis of Different Onion Germplasm Resources

  • 摘要: 【目的】研究不同来源洋葱品种的各项性状优劣,对其多样性和特异性进行分析,并筛选出性状优良的品种。【方法】分别在乌鲁木齐安宁渠和阜康试验田,对引进的不同洋葱品种进行试验,并进行农艺性状调查。利用主成分分析与相关性分析方法对不同品种洋葱的农艺性状进行分析。【结果】表现良好的品种有金秋白皮、春园红皮、芦丰白皮、夕阳红白皮,其生物学特性表现良好,产量较高。而豫园红星和金秋红皮综合性状表现不佳。相关性分析表明,单个鳞茎重与单产、鳞茎纵径、鳞茎横径存在显著相关性;叶片数与假茎粗、肉质鳞片数存在显著相关性;叶长与株高、开展度、叶横径存在显著相关性;蜡粉与盘状茎横径、肉质鳞片厚有显著负相关性。【结论】金秋白皮、春园红皮、芦丰白皮、夕阳红白皮适应性强,可作为新疆洋葱栽培品种的改良资源。

     

    Abstract: 【Objective】 The purpose of this paper is to evaluate the characters of different onion varieties, analyze the diversity and specificity, and screen out the suitable varieties which can express good agronomic traits and have preferred specific traits for the local people.【Method】Field experiments about different onion varieties were carried out in Anningqu and Fukang respectively. Moreover, agronomic traits of the introduced different onion varieties were also investigated. Furthermore, the agronomic traits of different onion varieties were analyzed via principal component analysis and correlation analysis.【Result】The results showed that Jinqiu-white, Chunyuan-red, Lufeng-white and Xiyanghong-white had good performance on biological characteristics and high yield among all the various characters, except the variety Yuyuan-red and Jinqiu-red. According to the results of correlation analysis, a significant correlation existed among the single bulb weight, the yield, the vertical diameter of the bulb and the bulb diameter. The leaf number was significantly correlated with stem diameter and the number of fleshy scales. The leaf length also had a significant correlation with plant height, width and leaf diameter. A negative significant correlation of wax powder between disc stem diameter and thick fleshy scales was also found.【Conclusion】Jinqiu-white,Chunyuan-red,Lufeng-white,Xiyanghong-white can be used as excellent germplasm resources for native onion varieties cultivar improvement.

     

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