INTERVAL MAPPING OF QUANTITATIVE TRAIT LOCI FOR REPRODUCTIVE, MORPHOLOGICAL, AND SEED TRAITS OF SOYBEAN (GLYCINE-MAX L)
INTERVAL MAPPING OF QUANTITATIVE TRAIT LOCI FOR REPRODUCTIVE, MORPHOLOGICAL, AND SEED TRAITS OF SOYBEAN (GLYCINE-MAX L)
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DOI：
10.1007/bf00211040
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发表时间：
1993-09-01
影响因子：
5.4
通讯作者：
OLIVEIRA, A
中科院分区：
文献类型：
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作者：
MANSUR, LM;LARK, KG;OLIVEIRA, A
以大豆（Glycine max（L.）梅尔）品种：'Minsoy'（PI 27.890）和'Noir 1'（PI 290.136）。分析的15个性状包括繁殖性状、形态性状、种子性状、种子产量和碳同位素判别比（C-13/C-12）。所有性状均存在遗传变异，且普遍存在超亲分离现象。利用132个连锁标记和24个非连锁标记分别进行区间作图和单因素方差分析。控制15个性状中11个性状的数量性状基因座分布在6个连锁群中。发育性状和形态性状（R1、R5、R8、株高、冠层高度、叶面积等）的数量性状基因座倾向于聚集在三个区间，其中两个也与种子产量。从所有其他QTL中分离出种子油的数量性状位点。成熟度和株高的主效QTL与RFLP标记R79（31%的变异）和G173（53%的变异）连锁。与非连锁标记相关的数量性状位点包括种子蛋白质和重量的可能位点。讨论了QTL间的连锁与性状遗传力和遗传相关的关系。
Quantitative trait loci (QTL) were mapped in segregating progeny from a cross between two soybean (Glycine max (L.) Merr.) cultivars: 'Minsoy' (PI 27.890) and 'Noir 1' (PI 290.136). The 15 traits analyzed included reproductive, morphological, and seed traits, seed yield and carbon isotope discrimination ratios (C-13/C-12). Genetic variation was detected for all of the traits, and transgressive segregation was a common phenomenon. One hundred and thirty-two linked genetic markers and 24 additional unlinked markers were used to locate QTL by interval mapping and one-way analysis of variance, respectively. Quantitative trait loci controlling 11 of the 15 traits studied were localized to intervals in 6 linkage groups. Quantitative trait loci for developmental and morphological traits (R1, R5, R8, plant height, canopy height, leaf area, etc.) tended to be clustered in three intervals, two of which were also associated with seed yield. Quantitative trait loci for seed oil were separated from all the other QTL. Major QTL for maturity and plant height were linked to RFLP markers R79 (31% variation) and G173 (53% variation). Quantitative trait loci associated with unlinked markers included possible loci for seed protein and weight. Linkage between QTL is discussed in relation to the heritability and genetic correlation of the traits.