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Agro-morphological evaluation of lineseed (Linum usitatissimum L.) germplasm from Pakistan

Rizwan Taj Khan, Asma Hameed, Sania Begum and Syed Rizwan Abbas

The information about the diversity of the crop for different attributes is important for their effective utilization in the breeding programs.  The present investigation was carried out to characterize the 42 linseed (Linum usitatissimum L) genotypes by qualitative and quantitative agro-morphological traits and to describe the genetic variation. Eleven agro-morphological traits (germination days, initiation of flowers, days to maturity, height of plant, primary branches, number of capsules per plant, number of seeds per capsules per plant, seed yield of each plant, thousand seeds weight, seed size and seed color) were recorded to evaluate phenotypic variations among linseed genotypes. Three genotypes viz., 020885, 020890 and 020870 contributed noteworthy results on the basis of morphological traits. The diverse and significant trait was obtained from genotype 021200 (Pak) among total genotypes; having maximum number of primary branches per plant (10) as well as maximum number of seeds per capsule (10.3). Whereas, genotype 020885(Pak) contributed for the maximum weight of seeds per plant and for maximum weight of 1000 seeds among all the genotypes. The results also showed that agro-morphological attributes grouped genotypes belonged to different regions grouped together in same clusters. Out of 42 genotypes, 39 genotypes were clustered in 4 clusters and remaining 3 genotypes viz., 021160, 021200 and 035127 did not place in any cluster as they found to be most phenotypically diverse from all other genotypes.  The information on the diversity and relationship with agro-morphological attributes will be helpful in the selection of populations in the breeding programs. 

To Cite this article: Khan, R.T., A. Hameed, S. Begum and S.R. Abbas. 2021. Agro-morphological evaluation of lineseed (Linum usitatissimum L.) germplasm from Pakistan. Pak. J. Bot., 53(1): DOI:

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