Gene actions and combining ability effects on grain yield and its constituent traits in inbred lines of quality protein maize
Journal Title: Environment Conservation Journal - Year 2024, Vol 25, Issue 1
Abstract
In the present study twenty-eight hybrid combinations resulting from the half-diallel mating of eight quality protein maize (QPM) inbred lines were chosen in order to examine the potential to combine and gene activity for ten yield and component attributes. As part of the All India Coordinated Research Project (AICRP) on maize during the kharif-2020 season, the experiment was done at the research farm of college of Agriculture, Odisha University of Agriculture & Technology (OUAT) Bhubaneswar, using a randomized complete block design replicated thrice. Every observation recorded was subjected to statistical evaluation and it was revealed that the mean squares derived from the general combining ability (gca) and specific combining ability (sca) were highly significant (p ≥0.01). Estimates of sca effects were greater than that of gca effects for all of the variables used in the study, suggesting to the predominance of dominant gene action. The inbred lines Q4-DQL 2221-1-1(833.792), Q2-DQL 2099 (517.658) and Q3- DQL 2159 (350.325) shows high gca effects for yield and its attributing traits due to more additive gene action thus identified as good general combiners for yield. Twelve of the twenty-eight crosses showed significant (p ≥0.01 and 0.05) positive sca effect on grain yield. The best experimental crosses for grain yield based on per se performance and sca effects were Q2 x Q8 (2106.748), Q1 x Q6 (2053.048), Q3 x Q7 (2027.082), and Q3 x Q6 (1719.884).
Authors and Affiliations
Arjun Kumar Agarwal, Digbijaya Swain, Devraj Lenka, Arun Kumar, Swapan Kumar Tripathy
Keywords
Related Articles
- EP ID EP734525
- DOI -
- Views 10
- Downloads 0
Identification and genetic assessment of transgressive segregants for yield and its contributing traits in wheat (Triticum aestivum L.)
Two crosses viz., K 1006 x LOK 1 and PBW 343 x HUW 234 derived from four diverse parents were examined during Rabi 2018-19 and 2019-20 at Agricultural Research Farm, Institute of Agricultural Sciences, BHU in order to i...
Application of natural preservatives and sweeteners in fruit products to reduce health risks - a review
The costs of food deterioration in terms of both money and health are rising. Fungi, bacteria, yeast, insects, and rodent contamination of food supplies continue to be a major public health concern. Chemical preservativ...
The short-horned grasshoppers (Acrididae and Pyrgomorphidae: Orthoptera) of Karnataka, India: A checklist and distribution data
Short-horned grasshoppers’ checklist is presented here. In the present study, the inventory was created using data from a survey conducted in various districts of Karnataka between 2019-2021, including Chikkamagaluru, D...
Effect of seed priming on germination parameters of Bael (Aegle marmelos Corr.) under laboratory conditions
The current experiment was conducted during 2020-21 at the Microbiology Laboratory, CCS Haryana Agricultural University, Regional Research Station Bawal to examine the impact of bio-inoculants and chemicals seed priming...
Polymer precursor method for the synthesis of zinc oxide nanoparticles: A novel approach
This study presents a novel approach to synthesize zinc oxide (ZnO) nanoparticles using a polymer precursor method, offering precise control over particle size in the nanometer scale. Zinc oxide nanoparticles are of sign...