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Genetic Variability, Diversity and Interrelationship for Twelve Grain Minerals in 122 Commercial Pearl Millet Cultivars in India

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Relation http://oar.icrisat.org/11503/
https://doi.org/10.1007/s40003-020-00470-7
doi:10.1007/s40003-020-00470-7
 
Title Genetic Variability, Diversity and Interrelationship for Twelve Grain Minerals in 122 Commercial Pearl Millet Cultivars in India
 
Creator Govindaraj, M
Yadav, O P
Rajpurohit, B S
Kanatti, A
Rai, K N
Dwivedi, S L
 
Subject Pearl Millet
Biofortification
Food and Nutrition
 
Description Pearl millet contributes to the major source of dietary calories and essential micronutrients intake among rural
populations in certain regions of India as its grains are more nutritious than other cereals. The aims of this investigation were to
profile cultivar nutrition, diversity and interrelationship for grain minerals (Ca, K, Mg, Na, P, S, Cu, Fe, Mn, Zn, Mo and Ni)
among 122 pearl millet hybrids and open-pollinated varieties in India. Trials were evaluated in randomized complete block
design with three replications at two locations (Patancheru and Mandor) representing two major cultivation zones. The grain
minerals in cultivars exhibited two- to- four-fold variation. Positive and significant correlations were noted among different
minerals. A higher magnitude of positive and significant association between Fe and Zn (r = 0.71, P\0.01) and with other
minerals suggested the existence of greater genetic potential for the concurrent improvement of Fe and Zn without lowering
the other grain minerals in pearl millet. The first two principal components accounted for 49% of variation. Euclidian distancebased
cluster analysis grouped the 122 cultivars into seven clusters. Cluster I had higher mean for Fe (56 mg kg-1) and Zn
(49 mg kg-1), in which ICTP 8203, Ajeet 38, Sanjivani 222,PAC 903 and 86 M86 were identified as rich sources of iron, zinc
and calcium with considerable levels of other nutrients. About 65% of cultivars for iron and 100% of cultivars for zinc have met
the minimum standards set forth by the Indian Council of Agricultural Research. This indicates the feasibility of breeding
nutrient-rich hybrids with competitive yields through mainstreaming in future.
 
Publisher Springer Verlag
 
Date 2020-03
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11503/1/10.1007_s40003-020-00470-7.pdf
Govindaraj, M and Yadav, O P and Rajpurohit, B S and Kanatti, A and Rai, K N and Dwivedi, S L (2020) Genetic Variability, Diversity and Interrelationship for Twelve Grain Minerals in 122 Commercial Pearl Millet Cultivars in India. Agricultural Research, 9 (4). pp. 516-525. ISSN 2249-720X