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ASSESSMENT OF GENETIC DIVERSITY IN GERMPLASM OF LINSEED ( L.)

 Mubashir Ahmad Khan*, Muhammad Yasin Mirza*, Muhammad Amjad*, Nazakat Nawaz*, Malik Shah Nawaz* and Doulat Baig*

 * Oilseeds Research Programme, Crop Sciences Institute, National Agricultural Research Centre, Islamabad, Pakistan. Corresponding author: mak1584@hotmail.com

ABSTRACT

 A set of 55 linseed accessions including a check variety (Chandni) were evaluated under rainfed conditions during three crop seasons i.e. 2008-09, 2009-10 and 2010-11. Data were recorded for days to flower initiation, flower completion, maturity, reproductive period, plant height, branches per plant, bolls per plant, plot biomass, harvest index and seed yield. Wide ranges between the mean values with high CV values were exhibited by plant height, bolls per plant, biomass and seed yield accompanied with maximum values of variances and standard deviation, revealed the existence of greater genetic diversity in the accessions for these traits. Dendrogram based on Euclidean distance coefficient using 10 quantitative traits, grouped all the linseed accessions into 13 clusters. Cluster II was the biggest and had 33 accessions followed by Cluster I having 11 accessions. For the development of high yielding varieties, best performing accessions of Clusters I and II could be used in hybridization programme by crossing with accessions of Clusters VII, VIII, IX and X followed by selection in segregating populations.

 

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Pakistan Journal of Agricultural Research

March

Vol. 34, Iss. 1, Pages 1-253

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