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GENETIC DIVERGENCE STUDIES AMONG THE PROGENIES OF PLUS TREES IN BIXA ORELLANA, L.

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Title GENETIC DIVERGENCE STUDIES AMONG THE PROGENIES OF PLUS TREES IN BIXA ORELLANA, L.
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Creator S.K Kala
K. Kumaran
 
Subject Bixin, Candidate Plus Trees, Genetic diversity, Cluster, Tree improvement.
 
Description Not Available
Bixa orellana,L. is one of the important natural colourant and medicinal plant in the world. “Bixin” is a natural seed
specific orange-red (carotenoid) pigment widely used in food and cosmetic industries.Thirty four CPTs were selectedfrom major Annatto growing regions. Substantial variability was recorded in morphological traits of selected plus trees.Significant variations were observed in growth characters of plus tree progenies under nursery. The Genetic divergencestudy reveals that 34 CPTs were grouped into eleven clusters. Clustering pattern indicated no relationship between thegenetic divergence and geographical distribution. The maximum inter cluster distance was observed between cluster Xand VII. The maximum intra cluster distance was shown by cluster X. Hence, the clusters were genetically divergentfrom each other. Therefore, hybridization involving trees of clusters X and VII is recommended in order to achieve highyielding genotypes in Bixa orellana. On the basis of high cluster mean and wide genetic distance, the superior plus treesof cluster X (KLBi 1, KLBi 3 and KLBi 5) and cluster VII (KLBi 11 and KABi 6) may be considered as potential parents forfurther tree improvement programme in Bixa orellana.
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Date 2020-02-25T10:59:03Z
2020-02-25T10:59:03Z
2012-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/33077
 
Language English
 
Relation Not Available;
 
Publisher Not Available