云南栽培稻生态型矿质元素含量的多样性

作物学报 ›› 2006, Vol. 32 ›› Issue (06): 867-872.

云南栽培稻生态型矿质元素含量的多样性

曾亚文^1,2; 汪禄祥³;刘家富³;张洪亮⁴;普晓英¹;杜娟¹;杨树明¹

1.云南省农业科学院生物技术与种质资源研究所，云南昆明 650205；2 .云南省农业生物技术重点实验室, 云南昆明650223；3.农业部农产品质量监督检验测试中心，云南昆明650223；4.中国农业大学，北京 100094

收稿日期:2005-06-17 修回日期:1900-01-01 出版日期:2006-06-12 网络出版日期:2006-06-12
通讯作者: 曾亚文

Diversity of Mineral Concentrations in Cultivated Ecotypes of Yunnan Rice

ZENG Ya-Wen^{1 2}, WANG Lu-Xiang³, LIU Jia-Fu³, ZHANG Hong-Liang⁴, PU Xiao-Ying¹, DU Juan¹ and YANG Shu-Ming¹

1.Biotechnology and Genetic Resources Institute, Yunnan Academy of Agricultural Sciences，Kunming 650205，Yunnan; 2.Agricultural Biotechnology Key Laboratory of Yunnan Province, Kunming 650223, Yunnan; 3.Supervision and Testing Center for Farm Products Quality Ministry of Agriculture, Kunming 650223，Yunnan; 4.China Agricultural University, Beijing 100094, China

Received:2005-06-17 Revised:1900-01-01 Published:2006-06-12 Published online:2006-06-12
Contact: ZENG Ya-Wen

摘要/Abstract

摘要：

用ICP-AES测定了新平县相同生态条件下种植653份云南稻资源糙米8种矿质元素含量，并按丁颖的栽培稻生态型对其遗传多样性进行了研究。结果表明，云南水稻改良品种糙米P、Fe和Zn含量比地方稻种分别下降10.53%、14.76%和35.16%，但改良品种特别是粳稻Ca含量比地方种高, 8种矿质元素以Ca的多样性指数最大；糙米P、Ca、Mg、Fe、Zu、Cu和Mn平均含量以粳稻的Mg、Fe和Zn，水稻的P、K和Mg，陆稻的Fe和Zn，糯稻的K和Fe，早稻的Mg和Fe相对较高。8种矿质元素平均遗传多样性指数依次为粳>籼,陆>水,粘>糯,早中稻>晚稻和地方种>改良种,且P>K>Mn>Mg>Cu>Zn>Fe>Ca；其变异系数依次为Fe>Ca>Cu>Zn>Mn>K>Mg >P。

关键词: 矿质元素含量, 多样性, 分类生态型, 地方稻种, 云南

Abstract:

Genetic diversity of rice according to Ding’s taxonomic ecotypes in Yunnan of Southwest China were investigated based on 8 mineral concentrations of brown rice, using 653 accessions harvested from Xingping experiment farm under the uniform ecological conditions by ICP-AES method. P, Fe and Zn concentrations of brown rice in improved cultivars of Yunnan were decreased by 10.53%, 14.76% and 35.16% respectively compared with that in landraces, but Ca concentration of improved cultivars (especially japonica) was higher than that of landrace, and Ca diversity index of improved cultivars was the highest in 8 mineral concentrations. There were some differences among P, Ca, Mg, Fe, Zu, Cu and Mn average concentrations in brown rice of Ding’s taxonomic ecotypes, and some higher concentrations in japonica (Mg, Fe, Zn), lowland (P, K, Mg), upland (Fe, Zn), nonglutinous (K and Fe), and early-mid rice (Mg, Fe). Average genetic diversity index of 8 mineral element concentrations was in turn japonica>indica, upland>lowland, glutinous> nonglutinous, early-mid>late-season rice, and landrace>improved cultivars. The genetic diversity among 8 mineral concentrations in brown rice was P>K>Mn>Mg>Cu>Zn>Fe>Ca. CV of concentration among 8 mineral elements in brown rice for 8 Ding’s taxonomic ecotypes, improved cultivars and landraces was Fe>Ca>Cu>Zn> Mn>K>Mg>P.

Key words: Mineral content, Diversity, Taxonomic ecotypes, Rice landraces, Yunnan

中图分类号:

Q945

曾亚文; 汪禄祥;刘家富;张洪亮;普晓英;杜娟;杨树明. 云南栽培稻生态型矿质元素含量的多样性[J]. 作物学报, 2006, 32(06): 867-872.

ZENG Ya-Wen ; WANG Lu-Xiang; LIU Jia-Fu; ZHANG Hong-Liang; PU Xiao-Ying; DU Juan and YANG Shu-Ming. Diversity of Mineral Concentrations in Cultivated Ecotypes of Yunnan Rice[J]. Acta Agron Sin, 2006, 32(06): 867-872.

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