PJB-2019-997
AGRO-MORPHOLOGICAL TRAITS ASSESSMENT OF GENETICALLY DIVERSE LOCAL PAKISTANI BREAD WHEAT GENOTYPES FOR IMPROVED GRAIN YIELD
Jabeen Farheen
Abstract
Grain yield has a paramount importance in wheat breeding programme due to ever-increasing population demand. Thus, current work was designed to appraise the performance of Pakistani genotypes by yield-related parameters that directly increase wheat grain yield. The agro-morphological eleven yield-linked traits of 14 local Pakistani bread wheat (Triticum aestivum L.) varieties were evaluated under irrigated condition during 2007 to 2008 in the randomized complete block design (RCBD) with four replicates at the screen house of Genetics department, University of Karachi. The studied data were plant height (PH), tillers plantˉ1 (TP), fertile tillers plantˉ1 (FTP), flag leaf area (FLA), fresh biomass (BIO), spike length (LS), spikelets spikeˉ1 (SpS), grains plantˉ1 (GP), grain yieldˉ1 (GYP), thousand-grains weight (TGW), and harvest index (HI). The analysis of variance conceded highly significant differences among 14 Pakistani genotypes for all the examined traits, in which Pirsabak-85 had highest PH, FLA, BIO, GYP & HI and second highest in TP, FTP, LS, SpS, GP, and TGW. While, Khyber was highest for PH, TGW, & TP and TD-1 was highest for TP, FTP, and BIO. The correlation studies among parameters showed that PH, TP (r = 0.649), FTP (r = 0.713), BIO (r = 0.861), LS, GP (r = 0.898) and HI had positive higher significant association with grain yieldˉ1. Whereas, TGW had a positive significant correlation with grain yieldˉ1. Thus, it is suggested that the Pirsabak-85, Khyber and TD-1 can be utilized for cultivation to enhance bread wheat production.
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