不同来源地芜菁农艺性状分析

doi:10.6048/j.issn.1001-4330.2019.06.010

摘要/Abstract

摘要： 【目的】研究芜菁种质资源农艺性状分析为芜菁新品种选育,提高芜菁种质资源研究和利用率提供科学依据。【方法】收集30份芜菁种质资源为材料,对其35个农艺性状进行了调查,并进行Q型聚类分析和相关性分析。【结果】不同种源地的芜菁农艺性状差异较大、类型丰富,其中株高极差为44.48 cm,变异系数达到24.91%,单株重极差为410.00 g,变异系数达37.55%;Q型聚类分析表明:30份材料可分为典型的三大类,6亚类,第Ⅰ类分为2个亚类,共计6个品种;第Ⅱ类分为2个亚类,共计15个品种;第Ⅲ类分为2个亚种,共计9品种;相关性分析结果表明,单株重与株高、叶长、叶宽、根长、根宽、根皮厚呈极显著正相关,大多数的农艺性状之间都是呈相关性的,并且正相关和负相关都有。【结论】不同来源地的芜菁农艺性状差异较大,不同种源地的芜菁株高、单株重、叶形、根形等35个农艺性状指标进行Q型聚类分析,可分为三类,芜菁主要是绿皮白肉型品种,大多数的农艺性状之间都是呈现相关性的。

关键词: 芜菁; 种质资源; 农艺性状; 聚类分析; 相关性分析

Abstract: 【Objective】 To study the germplasm provenances of turnip and to promote the breeding of the new varieties of turnip.【Method】30 copies of turnip germplasm were used as experimental materials and 35 agronomic traits were investigated in the study. After that, Q cluster analysis and correlation analysis were carried out.【Result】The results showed that the agronomic traits of turnips from different provenances were quite different and the types were abundant. Among them, the plant height was 44.48 cm, the variation coefficient was 24.91%, the single plant weight was 410.00 g, and the variation coefficient was 37.55%. Q-type cluster analysis showed that 30 materials could be divided into three typical categories, 6 sub-categories with obvious differences among them. The first category was divided into two sub-categories, a total of six varieties; The second category was divided into two sub-categories, a total of 15 varieties; The third category was divided into two sub-species, a total of nine varieties; Correlation analysis showed that the weight per plant was significantly positively correlated with plant height, leaf length, leaf width, root length, root width and root bark thickness. Most of the agronomic traits were correlated, with both positive and negative correlations. 【Conclusion】The comprehensive evaluation results showed that the turnip germplasm resources were rich in diversity and this experiment provided scientific basis for the research and improvement of the agronomic traits of turnip, as well as improving the efficiency of selection and identification, and improving the research and utilization of turnip germplasm resources.

Key words: turnip; germplasm resources; agronomic trait; cluster analysis; correlation analysis

中图分类号:

S631.3

曹巍, 轩正英. 不同来源地芜菁农艺性状分析[J]. 新疆农业科学, 2019, 56(6): 1072-1082.

CAO Wei , XUAN Zheng-ying. Study on Agronomic Traits of Turnip fromDifferent Provenances[J]. Xinjiang Agricultural Sciences, 2019, 56(6): 1072-1082.

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