Cereal Research Communications
Volume/Issue:
Volume 47: Issue 2
Inheritance pattern of genes for morpho-physiological and yield traits in wheat (Triticum aestivum L.)
Authors:
J. Kumar Chandra Shekhar Azad University of Agriculture & Technology, Kanpur-208002 (Uttar Pradesh), India

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A. Kumar Govind Ballabh Pant University of Agriculture & Technology, Pantnagar-263145 (Uttarakhand), India

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M. Kumar Mandan Bharti Agriculture College, Agwanpur, Saharsa-852201 (Bihar), India

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S.K. Singh Chandra Shekhar Azad University of Agriculture & Technology, Kanpur-208002 (Uttar Pradesh), India

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L. Singh Chandra Shekhar Azad University of Agriculture & Technology, Kanpur-208002 (Uttar Pradesh), India

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Pages:
191–204
Online Publication Date:
Jun 2019
Publication Date:
01 Jun 2019
Article Category:
Research Article
DOI:
https://doi.org/10.1556/0806.47.2019.08
Keywords:
wheat (Triticum aestivum L.); gene action; inheritance pattern
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In order to study the inheritance pattern of morpho-physiological traits in bread wheat, a 10×10 diallel cross, excluding reciprocals was made and grown in a randomized complete block design (RCBD) with three replications. Observations were recorded on Days to 75% flowering (DF), Days to maturity (DM), Duration of reproductive phase (DRP), Plant height (cm) (PH), Effective tiller/plant (TLS), No. of spikelets per spike (SLS), No. of grains per spike (GS), Grain weight per spike (g) (GW), Spike length (cm) (SL), Biological yield per plant (g) (BY), Harvest index (%) (HI), 1000-Grain weight (g) (TGW), Spike density (SD), Canopy temperature depression (°C) (CTD), Chlorophyll intensity (%) (CI), Chlorophyll fluorescence (Fv/Fm) (CF), Protein content (%) (PC), Grain yield per plant (g) (GY). Highly significant differences were observed among the genotypes for all traits. The resulted 45 F1s and their F2s used for study the nature of gene for grain yield and its contributing traits in bread wheat. The result indicated that considerable gene action and average degree of dominance respond to achieving significant result for grain yield and its component traits. In both the generations F1s and F2s, grain yield per plant (g) was governed by non-additive gene action based on combining ability analysis, (σ2 g/σ2 s)0.5 [GCA and SCA variance ratio] and (H1/D)0.5 [Degree of dominance] were exhibited over dominance type average degree of dominance for grain yield and its component traits in both generations. Genetic analyses of the traits confirm the involvement of both additive and non-additive gene effects in governing the inheritance.

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Cover Cereal Research Communications
Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company
Print ISSN:
0133-3720
Online ISSN:
1788-9170

 

 

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Cereal Research Communications
Language English
Size A4
Year of
Foundation		 1973
Volumes
per Year		 1
Issues
per Year		 4
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)

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