Estimation of some genetic parameters in maize under adequacy and insufficien t water
DOI:
https://doi.org/10.59658/jkas.v5i5.212Abstract
Afield experiment was conducted during two season , spring and fall 2013 in the Field of Crop Science Dept. – College of Agriculture – University of Baghdad . The objective of this experiment are to estimate the genetic parameters , broad sense heritability and co-heritability for several traits of maize ( Zea mays L.) for the synthetic cultivar , Ibaa 5012 , under watered and water stress treatments ( 5 and 10 days intervals) by using randomized complete block design with four replications . Genotypic , phenotypic and environmental variation ( , , ) genotypic and phenotypic coefficient of variation ( GCV , PCV) and broad sense heritability were estimated for ten traits : traits : days to anthesis , days to silking , plant height , ear height , number of leaves , leaf area , days to physiological maturity , dry weight , crop growth rate and grains yield . The results showed that genetic variance for most traits more than environment . GCV values for all traits very closed from PCV , that means the traits were under genetic control .All values of broad sense heritability for both seasons and irrigation treatment are high . The highest value was for the dry weight , crop growth rate, grain yield and number of leaves in two season under irrigated , while in water stress , in addition to these traits the days to physiological maturity . It can conclude that the change in the plant environment due to water stress caused a change in the genetic parameters of the studied traits , especially the change in the amount of genetic variance and the environmental variance , it increased the values of some parameters of the traits and reduced to some others . This led to a change in the values of heritability and co-heritability .
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2018 Copyright (c) 2024 is the Author's article. Published by the Journal of Kerbala for Agricultural Sciences under a CC BY 4.0 license
This work is licensed under a Creative Commons Attribution 4.0 International License.
Licensing Terms
All articles are published under a Creative Commons License and will be directed to the Creative Commons Attribution 4.0 International License (CC BY 4.0) That permits use, distribution, and reproduction in any medium, provided the original work is properly cited. This license also allows the work to be used for commercial purposes.
Use by both non-commercial and commercial users
This content is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license, permitting use by both non-commercial and commercial users. Individual users may access, download, copy, display, and redistribute the articles to colleagues, as well as adapt, translate, and text- and data-mine the content, subject to the following conditions:
- The author's moral rights, including the right of attribution and the right to protect their work from derogatory treatment, are respected.
- Where content in the article is identified as belonging to a third party, users must ensure that any reuse complies with the copyright policies of the owner of that content.
- If the article content is reused for research or educational purposes, users should maintain a link to the appropriate bibliographic citation, including the DOI and a link to the published version on the journal's website.
