云南地方稻核心种质耐低磷特性研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (8): 1569-1572.

云南地方稻核心种质耐低磷特性研究

申时全, 曾亚文, 普晓英, 杜娟, 李绅崇

云南省农业科学院生物技术与种质资源研究所, 昆明 650205

收稿日期:2004-09-10 修回日期:2004-12-22 出版日期:2005-08-15 发布日期:2005-08-15
通讯作者: 曾亚文
基金资助:
国家自然科学基金项目(30260060,30160043)和云南省自然科学基金资助项目(2002C0077M).

Characteristics of Yunnan Province rice landrace core collections under phosphorus deficiency

SHEN Shiquan, ZENG Yawen, PU Xiaoying, DU Juan, LI Shenchong

Biotechnology and Genetic Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China

Received:2004-09-10 Revised:2004-12-22 Online:2005-08-15 Published:2005-08-15

摘要/Abstract

Abstract: Soil phosphorus (P) deficiency is a major yield-limiting factor in rice production.Employing 526 rice landrace accessions from 5 rice-planting regions and 16 prefectures in Yunnan Province,this paper studied their P-deficiency tolerance characteristics by comparing the relative plant dry weight under acid red soil condition.The results showed that Northwest Yunnan cold highland japonica rice-planting region was most abundant in P-deficiency tolerance core collection of indica,and there was no significant difference in japonica among five ecological zones of rice landraces.Nujiang,Lijiang,Dehong,Wenshan,Xishuangbana and Yuxi were most abundant in P-deficiency tolerance core collection of indica,and Lijiang,Wenshan and Chuxiong were most abundant in P-deficiency tolerance core collection of japonica.Indica had a higher P-deficiency tolerance than japonica.The P-deficiency tolerance of rice was significantly related with its genetic diversity,rice breeding and acid red soils.

Key words: Rice landrace core collection, Yunnan Province, Relative plant dry weight, Phosphorus deficiency

中图分类号:

Q917
S511

申时全, 曾亚文, 普晓英, 杜娟, 李绅崇. 云南地方稻核心种质耐低磷特性研究[J]. 应用生态学报, 2005, 16(8): 1569-1572.

SHEN Shiquan, ZENG Yawen, PU Xiaoying, DU Juan, LI Shenchong . Characteristics of Yunnan Province rice landrace core collections under phosphorus deficiency[J]. Chinese Journal of Applied Ecology, 2005, 16(8): 1569-1572.

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