Genetic variability and path coefficient in maize (Zea mays L.) genotypes

Autor:	Muhammad Aslam, Fida Hussain, Ejaz-ul Hasan, Hafiz Saad Bin Mustafa, Jehanzeb Farooq
Rok vydání:	2014
Předmět:	Chlorophyll content Agronomy Path coefficient Shoot Genotype Genetic variability Biology Heritability Agricultural and Biological Sciences (miscellaneous) High yielding Zea mays
Zdroj:	Journal of Agricultural Sciences – Sri Lanka. 9:37-43
ISSN:	2386-1363 1391-9318
DOI:	10.4038/jas.v9i1.6352
Popis:	Present investigations were aimed at estimating the genetic parameters and character’s association in forty maize genotypes. The PCV was higher in magnitude than GCV for almost all the traits except for root density which showed greater value of GCV than PCV. Heritability estimates were also higher in all the traits and highest hretability was shown for chlorophyll content. Path coefficient analysis revealed that the fresh shoot length had maximum direct effect on fresh root length followed by root density, dry shoot weight, leaf temperature and dry root weight. It may be concluded that fresh root length, dry shoot weight, root density, leaf temperature and dry root weight are the characters which contribute largely to the fresh shoot length of maize seedlings. These traits had reasonable heritability estimates, thus selection could be made for high yielding maize genotypes on the basis of these traits. DOI: http://dx.doi.org/10.4038/jas.v9i1.6352 The Journal of Agricultural Sciences, 2014, vol.9, no1 : 37-43
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::d4e7fffa37ea0b0f0da0c4bb161807a1 https://doi.org/10.4038/jas.v9i1.6352 Zobrazit plný text záznamu