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Genetic diversity for morphological and quality traits in quinoa (Chenopodium quinoa Willd.) germplasm

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Title Genetic diversity for morphological and quality traits in quinoa (Chenopodium quinoa Willd.) germplasm
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Creator Atul Bhargava, Sudhir Shukla, Shailendra Rajan, Deepak Ohri
 
Subject Chenopodium berlandieri, Chenopodium quinoa, Genetic diversity, Multivariate analysis, Principal component analysis
 
Description Not Available
Twenty nine germplasm lines of Chenopodium quinoa and two of Chenopodium berlandieri subsp. nuttalliae were evaluated for 12 morphological and 7 quality traits for two test seasons. The 19 traits were analyzed for cluster and principal component analysis. The first four PCs contributed 78.70 % of the variability among the germplasm lines. The first PC accounted for 39.5% of the variation and had inflorescence/plant, plant height and stem diameter as the traits with largest coefficients, all with positive sign. The characters with greatest positive weight on PC2 were days to maturity (0.309), inflorescence length (0.260) and branches/plant. All the germplasm lines were grouped into six clusters based on average linkage method. Cluster III had high values for seed yield and most of the quality traits but showed a small seed size. The dendrogram separated the two lines of C. berlandieri subsp. nuttalliae from the quinoa lines.
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Date 2017-10-16T05:25:15Z
2017-10-16T05:25:15Z
2007-01-01
 
Type Research Paper
 
Identifier 49
0925-9864 (Print) 1573-5109 (Online)
http://krishi.icar.gov.in/jspui/handle/123456789/5469
 
Language English
 
Relation Not Available;
 
Publisher Springer Netherlands