Physiological Evaluation of Yield Differences in Hybrid Maize in Spring Season
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Date
2024-03-22
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Abstract
An Experiment was conducted in field plot during Kharif season, 2022 in the Old Dairy form of Chandra Shekhar Azad University of Agriculture & Technology, Kanpur entitled “Physiological Evaluation of Yield Differences in Hybrid Maize in Spring Season” Maize genotypes namely NK 7601, DKC 9108, DKC 9208, Pioneer 1899, Pioneer 3378, and Malik. were grown with four replications in field plots. Result obtained from experiment in respect of growth characters like plant height (cm), number of branches per plant, number of leaves per plant, leaf area per plant, CGR, NAR, RGR, SLW, total dry matter per plant and yield contributing character like number of pods per plant, number of grains per pod, number of grains per plant, 100 seed weight, and grain yield per plant. Significantly maximum plant height were recorded at harvest in genotypes NK 7601 followed by Malik and minimum plant height was recorded in genotype DKC 9208. In
case of number of leaves per plant leaf area per plant and NAR value between 30 -- 60 DAS the genotypes NK-- 7601 and Malik recorded significantly higher value than other tested genotype.
The genotype NK––7601 and Malik were produced significantly higher grain yield per plant among the tested genotype. These two varieties also recorded higher leaf area per plant NAR between 30--60 DAS and 60--90 DAS and also higher yield contributing character like, number of pods per plant, number of grains per plant, number of grains per pod, and grain yield per plant.