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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/16024
Title: | ESTIMATION OF COMPONENTS OF GENETIC VARIANCE IN MAIZE (ZEA MAYS L.) |
Other Titles: | Not Available |
Authors: | Narendra Kumar, VN Joshi and MC Dagla |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Directorate of Groundnut Research |
Published/ Complete Date: | 2013-03-04 |
Project Code: | Not Available |
Keywords: | Additive variance Dominance variance Dominance ratio Full sib and Half sib family |
Publisher: | NATIONAL ENVIRONMENTALISTS ASSOCIATION, INDIA. |
Citation: | The Bioscan |
Series/Report no.: | Not Available; |
Abstract/Description: | A total 256 full sib progenies (64 half sib families) of a large random mating heterozygous population of maize composite Mahidhawal were evaluated in two environments consisting of two different levels of fertility viz., (i) The estimate of additive variance for grain yield per plant was positive and significant in E2 2 and pooled analysis while it was positive but non-significant in E. This suggested additive variance is more important in determining grain yield under low N. Dominance variance for grain yield per plant additive variance and dominance variance contribute significant role in expression of total genetic variability for seed yield and other traits. Additive x environments interaction components were non-significant for all the traits In contrast, dominance x environments interaction components were positive significant for days to 50% tasseling, days to 50% silking, 100 - grain weight, grain yield per plant and stover yield per plant. Study of dominance ratio revealed that the genes responsible for expression of majority of traits including grain yield per plant showed complete dominance to over dominance |
Description: | Not Available |
ISSN: | 0973-7049 |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | The Bioscan |
NAAS Rating: | Not Available |
Volume No.: | 8 |
Page Number: | 503-507 |
Name of the Division/Regional Station: | Plant Breeding |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/16024 |
Appears in Collections: | CS-DGR-Publication |
Files in This Item:
File | Description | Size | Format | |
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2013 ESTIMATION OF COMPONENTS OF GENETIC VARIANCE IN MAIZE.pdf | 161.5 kB | Adobe PDF | View/Open |
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