Legume Research-An International Journal

Evaluation of morphological diversity of field pea [Pisum sativum subsp.arvense (L.)] germplasm under sub-tropical climate of Manipur 

DOI: 10.18805/lr.v0iOF.10756    | Article Id: LR-3655 | Page : 215-223
Citation :- Evaluation of morphological diversity of field pea [Pisum sativum subsp.arvense (L.)] germplasm under sub-tropical climate of Manipur .Legume Research-An International Journal.2017.(40):215-223

Bhuvaneswari S.*, Susheel Kumar Sharma, Punitha P., Shashidhar K.S., Naveenkumar, K.L. and Narendra Prakash

bhuvana0284@gmail.com
Address :

ICAR-Research Complex for NEH region, Manipur Centre, Imphal-795 004, India.  

Submitted Date : 24-11-2015
Accepted Date : 14-03-2016
First Online:

Abstract

An investigation was carried out to evaluate 51 diverse field pea genotypes at  Langol Research farm, ICAR, RC, NEH region, Manipur centre for nine yield related quantitative traits and four morphological qualitative traits for practical field pea improvement in  Manipur. The combined analysis of variance of genotypes  for all the nine traits was found to be significant. The amount of variability in one variable as a linear function of another variable was also measured through phenotypic and genotypic correlation among nine quantitative traits. The pod number per plant, seed number per pod and 100 seed weight showed significant positive correlation with seed yield per plant both at phenotypic and genotypic levels. Multivariate analysis using principal component analysis (PCA) indicated that three principal components (PCs) accounted for > 75% of the total variation. The genotypes were grouped into seven clusters using distance based Agglomerative “Average linkage” method. Three genotypes IPF-5-19, EC-8495, HUDP-15 belonging to cluster II and DDR-30, early maturing variety belonging to Cluster VI were found promising in terms of seed yield for the region.

Keywords

Agglomerative clustering Combined ANOVA Correlation Field pea PCA.

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