数字农科院2.0

东南亚和南亚野生稻种质资源收集与初步研究

文献类型: 中文期刊

关键词: 东南亚;;南亚;;普通野生稻;;尼瓦拉野生稻;;收集

期刊名称:植物遗传资源学报

ISSN: 1672-1810

年卷期: 2020 年

页码:

收录情况: 北大核心(2020版) ; CSCD(2020-2021年度) ; 农林核心(2020版) ; 科技核心(2020版)

摘要: 目前水稻栽培种遗传资源利用已经不能满足水稻现代育种的需求,对其近缘野生种种质资源的开发利用就显得尤 为重要。虽然中国具有全世界最多的水稻栽培种种质资源储存量,但是近缘野生种(野生稻)种质资源较少,且材料来源分 布不均衡,国外野生稻种资源仅占国家水稻近缘野生种种质资源的 10%。与中国相比,南亚和东南亚国家或地区野生稻分布 区物种丰富,气候条件与我国差异明显,这些地区的野生稻种质资源具有较高的潜在利用价值。本文总结了 2009 年至 2019 年间对东南亚和南亚 10 个国家的普通野生稻和尼瓦拉野生稻野外考察结果,共收集两个物种 66 个群体,1166 个体数;分析 了东南亚和南亚野生稻与中国野生稻的生态型差异及其生境特点;提出了未来在东南亚和南亚开展普通野生稻和尼瓦拉野生 稻资源收集的重点区域

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