摘要
为有效利用我国球茎甘蓝种质资源,筛选和鉴定适宜浙北地区种植的优异品种,从全国搜集31个球茎甘蓝品种,在浙江省湖州市连续种植3年,利用主成分分析、相关性分析、聚类分析等方法对其主要农艺性状和营养品质指标进行综合评价。结果表明:31个球茎甘蓝品种主要农艺性状种间变异系数在12.7%~53.1%之间,遗传多样性指数在0.37~2.02之间,10个代表性球茎甘蓝品种的营养品质指标存在显著性差异,说明供试球茎甘蓝品种具有丰富的遗传多样性。综合表型农艺性状分析、营养品质指标测定和球茎肉质口感,筛选出适宜在浙北地区推广的球茎甘蓝品种8个。研究结果可以为球茎甘蓝种质资源评选、优化育种亲本和栽培材料等提供参考。
To facilitate the efficient utilization the kohlrabi(Brassica oleracea L.var.caulorapa DC.)germplasm resources effectively in China,this study aimed to screen and identify superior varieties for cultivation in northern Zhejiang.Thirty-one kohlrabi cultivars collected nationwide were consecutively cultivated for three years in Huzhou City,Zhejiang Province.Principal component analysis,correlation analysis and cluster analysis were employed to comprehensively evaluate their key agronomic traits and nutritional quality indicators.The results revealed that the coefficient of variation of agronomic traits among the 31 cultivars ranged from 12.7%-53.1%,with genetic diversity indices spanning 0.37-2.02.Significant differences were observed in the nutritional quality indicators of 10 representative cultivars,indicating rich genetic diversity within the tested germplasm.Based o n integrated phenotypic-agronomic traits analysis,nutritional quality determination,texture and taste evaluation,eight elite kohlrabi varieties were identified as suitable for pr omotion in Northern Zhejiang.This study provides a scientific basis for kohlrabi germplasm evaluation,optimization of breedi ng parents,and selection of cultivation materials.
作者
周肖瑜
张飞雪
周利利
王丰颍
赵根
何琴玲
沈卫新
ZHOU Xiaoyu;ZHANG Feixue;ZHOU Lili;WANG Fengying;ZHAO Gen;HE Qinling;SHEN Weixin(Plant Protection Quarantine and Tillage Management Sta tion of Huzhou,Huzhou 310003,Zhejiang,China;Huzhou Academy of Agricultural Sciences,Huzhou 310003,Zhejiang,China)
出处
《中国蔬菜》
北大核心
2025年第7期142-152,共11页
China Vegetables
基金
湖州市科技计划项目(2021GZ41)。
关键词
球茎甘蓝
浙北地区
种质资源
遗传多样性
农艺性状
营养成分
kohlrabi
Northern Zhejiang
germplasm resources
genetic diversity
agronomic traits
nutritional composition
作者简介
周肖瑜,女,博士,农艺师,主要从事土壤养分与作物栽培研究,E-mail:janezhou1313@163.com;通信作者:赵根,男,高级农艺师,主要从事园艺栽培与育种研究,E-mail:zhaogen818@163.com。
