干旱区生态环境知识资源中心(Arid): 水旱协调选择混合育种中冬小麦性状遗传相关分析及其早代性状选择

Arid

	水旱协调选择混合育种中冬小麦性状遗传相关分析及其早代性状选择
其他题名	Analysis of Genetic Relatedness of Traits and Its Selection in Early Generation on Winter Wheat in the Shuttle Breeding between Irrigation and Drought Planting Environments
	高海涛 1; 张灿军 2; 吴少辉 2; 张学品 2; 段国辉 2; 吴少方 3; 谢惠民 1
ISSN	1009-1041
出版年	2006
卷号	26 期号:5 页码:32-38
中文摘要	为进一步完善水旱协调选择混合小麦育种方法，以不同生态类型的小麦品种为材料，设里充分灌溉、旱作雨养单株稀播、早作雨养产量比较和干旱棚抗旱性鉴定 3 种生态环境 4 种处理，分别研究了冬小麦主要农艺性状与抗旱性的关系、对应性状相关关系及性状遗传力。结果表明，（1）产量比较试验中，小麦的抗旱性与成穗数呈显著正相关，与经济系数呈较大正相关；在旱作雨养单株稀播条件下，小麦杭早性与单株次生根数呈显著正相关，与墓部不孕小穗数呈显著负相关，与株高呈较大正相关；在充分灌溉条件下抗旱性与农艺性状则无显著相关。（2）按照育种目标，充分灌溉条件下单株选择田选择的重点性状是千粒重、单株成穗数、穗长、株高，旱作雨养条件下，单株选择的重点性状是千粒重、穗长、单株次生根数。（3）不同生态环境下各性状的遗传力有所不同，穗长、株高、千粒重、基部不孕小穗在水早两种环境下遗传力较高，因而具有双重的选择高效率，易于早代进行双重选择；遗传力高、易于早代选择的其他性状，在早作雨养环境下为顶部不孕小穗数、单株次生根条数，在充分灌溉环境下为主茎小穗数、主茎穗粒数，而单株成穗数、单株产量不宜进行早代选择。
英文摘要	The relations between main agronomic characters and drought-resistant, the genetic power of agronomic characteristics were studied in winter wheat. Through shuttle breeding between irrigation and drought plantins environments, which was conducted with different ecotypic wheat varieties under three conditions and four treatments,namely single plant selection in full irrigated &.non-irrigated trial fields, yield comparison in non-irrigated trial fields and drought-resistant apprasal, it showed that: 1. The corelations between drought-resistance with ears per-ha and secondary roots of plants in non-irrigated trial fields are positive and significant, respectively ; the corelations between drought-resistance with economic coefficient and plant height in non-irrigated trial fields are much more positive and significant; the corelations between drought-resistance and bottom sterility small ears is remarkably negative; the corelation between drought-resistance and agricultural characteristics in full irrigated field is not obvious. 2. Based on wheat breeding purpose, main characteristic in selection full irrigated land was 1000-grain weight per ear, ear length and plant weight. Main characteristic in selection non-irrigated land was 1000-grain weight, ear length and single plant secondary root. 3. Genetic pow-er under different conditions was different. Ear length, plant weight,’1000-giain weight, bottom sterile and small ears could be selected in both irrigation and drought conditions, top sterice and small ear, single secondary foot and of small ears main stem, main stem ears could be selected in irrigated land, but it was not suitable for single ears, single plant yield.
中文关键词	小麦 ; 水旱协调选择混合育种 ; 性状选择
英文关键词	Wheat Water & arid alternate planting and mixed selection of wheat breeding Agronomy characteristics Genetic correlation Early generation selection
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRONOMY
WOS研究方向	Agriculture
CSCD记录号	CSCD:2428494
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/219939
作者单位	1.西北农林科技大学, 杨凌, 陕西 712100, 中国; 2.洛阳市农业科学研究所, 洛阳, 河南 471022, 中国; 3.河南农业大学, 郑州, 河南 450002, 中国
推荐引用方式 GB/T 7714	高海涛,张灿军,吴少辉,等. 水旱协调选择混合育种中冬小麦性状遗传相关分析及其早代性状选择[J]. 西北农林科技大学,2006,26(5):32-38.
APA	高海涛.,张灿军.,吴少辉.,张学品.,段国辉.,...&谢惠民.(2006).水旱协调选择混合育种中冬小麦性状遗传相关分析及其早代性状选择.,26(5),32-38.
MLA	高海涛,et al."水旱协调选择混合育种中冬小麦性状遗传相关分析及其早代性状选择".26.5(2006):32-38.