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中国农学通报

中国农学通报 ›› 2022, Vol. 38 ›› Issue (24): 28-37.doi: 10.11924/j.issn.1000-6850.casb2021-0850

所属专题： 生物技术； 资源与环境； 马铃薯； 园艺

• 农学·农业基础科学 • 上一篇    下一篇

甘薯种质资源盆栽保存基质的筛选与评价

姚肖健(), 张雄坚, 姚祝芳, 罗忠霞, 王章英, 黄立飞, 房伯平, 杨义伶()   

  1. 广东省农业科学院作物研究所/广东省农作物遗传改良重点实验室,广州 510640
  • 收稿日期:2021-09-02 修回日期:2021-12-05 出版日期:2022-08-25 发布日期:2022-08-22
  • 通讯作者: 杨义伶
  • 作者简介:姚肖健,男,1990年出生,河南周口人,研究生,硕士,研究方向：甘薯种质资源与遗传育种。通信地址：510640 广东省广州市天河区五山路金颖西二街18号 广东省农业科学院作物研究所,Tel：020-85514242,E-mail： yaoxiaojian@gdaas.cn。
  • 基金资助:
    国家自然科学基金“IbSLF基因在甘薯种内杂交不亲和反应中的功能解析”(31801418);“国家作物种质资源库甘薯广州分库运行服务项目”(NCGRC-2021-39)

Potted Conservation Substrates of Sweet Potato Germplasms: Screening and Evaluation

YAO Xiaojian(), ZHANG Xiongjian, YAO Zhufang, LUO Zhongxia, WANG Zhangying, HUANG Lifei, FANG Boping, YANG Yiling()   

  1. Crops Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of Crop Genetic Improvement, Guangzhou 510640
  • Received:2021-09-02 Revised:2021-12-05 Online:2022-08-25 Published:2022-08-22
  • Contact: YANG Yiling

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摘要：

为了筛选和优化盆栽基质配比,用于国家种质广州甘薯圃内甘薯资源的盆栽保存,本研究以田土、沙和泥炭土为材料,进行7种基质配比,并利用不同资源品种生长指标测定值对其进行评价与筛选。利用隶属函数、变异系数及主成分分析法对不同基质条件下,不同资源品种地上部鲜重、薯块产量等生长指标进行分析。结果显示：基质5（50%壤土+20%沙+30%泥炭土）条件下,不同甘薯资源品种生长指标变异系数综合隶属函数值及主成分综合评价值最高,分别为8.1639和0.8725,表明基质5可更大程度上保证甘薯资源品种的活力,体现资源品种的种性特征。综上所述,基质5可作为甘薯种质资源盆栽保存的优良基质。

关键词: 甘薯, 种质资源, 盆栽保存, 基质配比, 隶属函数分析, 变异系数分析, 主成分分析

Abstract:

To screen and optimize soil substrate for potted conservation of sweet potato germplasm resources in the National Germplasm Guangzhou Sweet Potato Nursery, field soil, sand and peat substrate were selected as materials for seven different soil substrates preparation in this study. The soil substrates were evaluated and screened by measuring the growth indexes of different sweet potato varieties. The growth indexes, including fresh weight of the aboveground parts, the yield of sweet potato tubers and so on, were analyzed by subordinate function, variation coefficient and principal component analysis methods. The results showed that under substrate 5 (composed of 50% field soil, 20% sand and 30% peat soil), the subordinate function value of variation coefficient and the principal component comprehensive evaluation value of the growth indexes of different sweet potato resources were the highest, which were 8.1639 and 0.8725 respectively. It indicated that substrate 5 could keep the vitality and reflect the characteristics of different sweet potato germplasm resources most. Taken together, substrate 5 is recommended to be an appropriate soil substrate for potted conservation of sweet potato germplasm resources.

Key words: sweetpotato, germplasm, potted conservation, substrate composition, subordinate function analysis, variation coefficient analysis, principal component analysis.

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