Indian Society of Genetics & Plant Breeding

Important

MULTIVARIATE ANALYSIS IN NIGER (GUIZOTIA ABYSSINICA CASS.)

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Genetic divergence, assessed in 15 cultivars of nigerusing 0 2 statistic for six developmental
characters, showed grouping of cultivars into seven clusters. Cluster II was the largest with
4 cultivars, followed by clusterI with three and clusters I11-V with two, and clusters VI and
VII with a single cultivar each. Cluster II showed maximum genetic distance from cluster
V, suggesting wide diversity between these groups. Four characters, viz. days to flowering,
maturity, test weight and yield, were the highest contributors to 0
2 values. Four clusters
consisting of nine cultivars have been judged as important for varietal improvement
programme on the basis of their intercluster distances and higher cluster mean values for
the aforesaid four characters.
  

Keywords: Genetic divergence, D2 statistic, niger.

Info

Year: 1991
Volume: 51
Issue: 4
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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