75份箭筈豌豆种子形态特征遗传多样性评价  

Evaluation of genetic diversity of morphological characteristics among 75 common vetch seed accessions

作　　者：陆忠杰 杨正禹 罗奔 李舟 董瑞 LU Zhongjie;YANG Zhengyu;LUO Ben;LI Zhou;DONG Rui(Liangzhou District Agricultural Technology Promotion Center,Wuwei,733000,Gansu,China;College of Animal Science,Guizhou University,Guizhou 550025,Guiyang,China)

机构地区：[1]凉州区农业技术推广中心,甘肃武威733000 [2]贵州大学动物科学学院,贵州贵阳550025

出　　处：《草业科学》2022年第9期1793-1802,共10页Pratacultural Science

基　　金：贵州大学引进人才科研项目(贵大人基合字[2017] 17);贵州省科技计划(黔科合基础[2019] 1074);贵州省科技支撑计划(黔科合支撑[2020]1Y074号);国家自然科学基金(32060392)。

摘　　要：为探究箭筈豌豆(Vicia sativa)种子形态遗传多样性,本研究以12份箭筈豌豆种质和63份箭筈豌豆亚种(V.sativa subsp. nigra)种质为试验材料,测定了长、宽、周长、厚度、弯曲长度、弯曲宽度、种脐长、百粒重和形状9个种子性状,并对各性状进行了基因型变异、表型相关性及模式分析等综合评价。结果表明,75份种质除形状外的其他8个种子性状均表现出两两极显著正相关关系(P <0.01),且8个种子性状均具有显著的(P <0.05)基因型变异估计值,亚种内各种质单个性状平均值也具有显著差异(P <0.05)。根据8个种子性状能清晰且明确地将12份箭筈豌豆和63份箭筈豌豆亚种种质分别分成2组和3组,并筛选出20号、57号、64号、67号4个对遗传改良具有重要意义的特殊种质。To explore the genetic diversity of Vicia sativa seed morphology, 12 V. sativa and 63 V. sativa subsp. nigra accessions were used as experimental materials. Nine seed traits, including length, width, perimeter, thickness, curved length,curved width, hilum length, 100-seed weight, and shape were measured. The genotypic variation, phenotypic correlation, and pattern analysis of each trait were comprehensively evaluated. The results showed that, except for shape, all the seed traits of 75 accessions showed an extremely significant positive correlation(P < 0.01), and significant genotypic variation(P < 0.05).The average values of individual traits of various accessions within subspecies also showed significant differences(P < 0.05).According to 8 seed traits, 12 Vicia sativa and 63 V. sativa subsp. nigra accessions were divided into 2 groups and 3 groups,respectively, and 4 special accessions(No. 20, No. 57, No. 64, and No. 67) were screened, which are of great significance for genetic improvement.

关 键 词：箭筈豌豆 种子性状 种质资源 模式分析 基因型变异 种子生产 品种改良 

分 类 号：S54[农业科学—作物学]