American Journal of Food Science and Health
Articles Information
American Journal of Food Science and Health, Vol.3, No.6, Dec. 2017, Pub. Date: Nov. 16, 2017
Study of Yield and Yield Attributing Traits of Maize
Pages: 123-129 Views: 32 Downloads: 15
Authors
[01] Sanjay Kumar Raut, Department of Genetics and Plant Breeding, Agriculture and Forestry University, Chitwan, Nepal.
[02] Surya Kant Ghimire, Department of Genetics and Plant Breeding, Agriculture and Forestry University, Chitwan, Nepal.
[03] Raju Kharel, Department of Genetics and Plant Breeding, Agriculture and Forestry University, Chitwan, Nepal.
[04] Chitra Bahadur Kuwar, National Maize Research Program, Nepal Agricultural Research Council, Rampur, Nepal.
[05] Manoj Sapkota, Department of Genetics and Plant Breeding, Institute of Agriculture and Animal Science, Rampur, Nepal.
[06] Ujjawal Kumar Singh Kushwaha, Agriculture Botany Division, Nepal Agricultural Research Council, Khumaltar, Lalitpur, Nepal.
Abstract
A field experiment was conducted to evaluate the maize genotype for studying their genetic components and the traits of yield and their correlation in 2015/16. Fourteen genotypes were evaluated in randomized complete block design with three replications. Data were recorded for days to 50% tasselling, days to 50% silking, plant height, ear height, number of tassel branches per plant, length of ear, ear girth with kernels, number of rows per ear, number of kernels per row, thousand kernel weight and grain yield. Significant differences were found for days to 50% tasseling, days to 50% silking, tassel branch, plant height, ear height, ear diameter, ear length, number of leaf, grain rows per cob, grains per row, thousand kernel weight and grain yield. Based on quantitative traits, Arun-4 was considered best variety and Compoz-Nipb was best in terms of yield attributes. Genetic parameters study showed that genotypic coefficient of variation and phenotypic coefficient of variation were highest for tassel branch followed by grain yield. Correlation analysis revealed that grain rows per cob, grains per row, ear diameter and1000 kernel weight were most yield determining traits.
Keywords
Maize, Correlation, Regression, Variance, Yield
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