小扁豆高产品种抗枯萎病基因型的SSR标记和形态标记多样性分析

IF 0.8 4区 生物学 Q3 AGRONOMY Legume Research Pub Date : 2018-07-31 DOI:10.18805/LR-4029
D. Mandal, P. Bhattacharyya, R. Das, S. Bhattacharyya
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引用次数: 1

摘要

利用12个SSR标记和12个形态标记,对西孟加拉邦BCKV本地小精子种质(即毛囊)扁豆(Lens culinaris Medik.)中抗性和易感基因型的多样性进行了评价。SSR引物的多态性信息含量(PIC)范围为0.77 (SSR 317-2) ~ 0.15 (PBA LC 0233)。L-4769与Ranjan的Jaccard相似性最高(接近100%),K-75与VL 126的Jaccard相似性最低(0.11)。基因型K-75与DL 14-2和VL 151的相似性也较低(0.17)。另一个流行品种WBL 77与中抗性基因型VL 151和DL 14-2的相似性最小(0.17)。以形态特征作为多样性分析的基础,欧几里得系数显示,高产品种Subrata的多样性最大,基因型为VL 151(7.12)。Asha与VL 151的差异系数为6.31,而VL 151与K-75的差异系数为6.21。Precoz与VL 126的差异系数为6.19。综上所述,VL 151和k75亲本组合以及VL 151和Subrata / Asha亲本组合可用于杂交或生物胁迫育种,以培育抗茎蚜扁豆品种。
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Diversity analysis by SSR markers and morphological markers among Stemphylium blight tolerance genotypes with high yielding cultivars of Lentil (Lens Culinaris Medik)
Twelve Simple Sequence Repeat (SSR) markers along with twelve morphological markers were used to assess the diversity among thirteen screened genotypes both moderate resistant and susceptible against stemphylium blight of indigenous microsperma germplasm (i.e. pilosae) type of Lentil (Lens culinaris Medik.) at BCKV, West Bengal. Polymorphic Information Content (PIC) of SSR primers ranged from 0.77 (SSR 317-2) to 0.15 (PBA LC 0233). The maximum Jaccard’s similarity was recorded between L-4769 and Ranjan (approximately 100%) whereas minimum was between K-75 and VL 126 (0.11). Genotypes K-75 also showed less similarity with DL 14-2 and VL 151 (0.17). Another popular variety WBL 77 showed minimum similarity with moderately resistant genotypes VL 151 and DL 14-2 (0.17). While using morphological characters as the basis of diversity analysis, Euclidean coefficient revealed that high yielding cultivar Subrata was maximum diverse with genotype VL 151(7.12). Asha also showed diversity with VL 151(6.31) whereas VL 151 had dissimilarity coefficient of 6.21 with K-75. Precoz and VL 126 has dissimilarity coefficient of 6.19. On the basis of above findings it could be said that diverse parental pairs VL 151 and K 75 and VL 151 and Subrata / Asha could be used in hybridization programme or biotic stress breeding programme for developing Stemphylium resistant lentil cultivars in future.
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来源期刊
Legume Research
Legume Research AGRONOMY-
CiteScore
1.30
自引率
37.50%
发文量
256
审稿时长
6-12 weeks
期刊介绍: Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.
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