Review on Genetic Variability Study in Leafy Vegetable Crops for Agro Morphological Traits

Ousman Yimer


Vegetables make up a major portion of the diet of humans in many parts of the world and are considered essential for well-balanced diets. Leafy vegetables crops are one group of vegetable crops which used mainly for their leaves whether eaten raw or cooked. Variability refers to the presence of difference among the individuals of a population. The components of variability include phenotypic variation, genotypic variation, environmental variation, heritability, genetic advance etc. In different leafy vegetables collection study there exist a wide variation between them, this variation can be useful for improvement of vegetables crops with the help of partitioning variances. Vegetable breeders should be able to determine the relative importance or magnitude of genetic and environmental variances. There is lack of information in vegetable breeding, especially leafy vegetables. The objective of this paper is to summarize different research papers on leafy vegetable crops breeding for different agro morphological traits to show the genetic variability component phenotypic variability, genotypic variability, heritability and genetic advance study.

Keywords: genetic advance, genotypic variability, Heritability, leafy vegetables, phenotypic variability

DOI: 10.7176/JNSR/9-17-01

Publication date:September 30th 2019


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