21. Evaluation of wheat genotypes on the basis of morphological characters in bread wheat

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Muhammad Babar, Afsar Khan, Nadia Khan, Fazale Akbar, Naimat Ullah, Mushtaq Ali, Mehwish Dalil

Abstract

An experiment was performed in the experimental field of Cereal Crops Research Institute (CCRI) Pirsabak, Nowshera, Khyber Pakhtunkhwa, Pakistan during the year 2015-2016 to evaluate wheat genotype based on morphological characters. Twenty wheat genotypes were evaluated under normal conditions using a randomized complete block design. Days until heading, thousand grain weight, plant height, grain yield, spike length, spikelets per spike, biological yield, and harvest index were all substantially different (P ≤ 0.05). Days to heading varied from 108.6 to 114.6 days, plant height from 84.0 to 100.6 cm, spike length from 8.43 to 10.63 cm, spikelet’s spike-1 from 15.9 to 20.4, 1000-grains weight from 58.3 to 70.80 g, the biological yield from 4333.3 to 8666.7 kg ha-1, grain yield from 2043.0 to 3713.3 kg ha-1 and harvest index from 18.63 to 29.30 %. The early heading genotype was CT-13052 (108.6 days), minimum plant height was shown by DN-120 (84.0 cm) and maximum spike length was exhibited by genotype DN-122 (10.63 cm). Similarly, check cultivar Pakhtunkhwa-2015 showed maximum spikelet’s spike-1 (20.4 no) and the highest 1000-grains weight was recorded in genotype AUP-07014 (70.80 g). Maximum grain yield was exhibited by genotypes PS-35 (3713.3 kg ha-1) followed by other genotypes CDRI-SA-12 (3180.0 kg ha-1), CT-13052 (3066.7 kg ha-1), PS-28 (3000.0 kg ha-1) and DN-120 (2949.3 kg ha-1). Heritability estimates were moderate for most of the traits due to the influence of environmental conditions than the genetic make-up of plants. Genotypes expressed a high heritability estimate for biological yield. This study is done to play a vital role as a food security in society and provided resistant lines or genotypes to future breeding programme. Eventually, for yield and yield-related attributes, the genotypes AUP-07014, PS-35, CT-13052, and Pirsabak-13 were recommended, and they might be employed in future breeding projects to improve grain production in bread wheat.


Keywords: Heritability; Morphological characters Wheat; Grain yield


http://dx.doi.org/10.19045/bspab.2023.120024

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