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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 March, 2024
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Frequency : Bimonthly
Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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  • 1. Papers are invited for the forthcoming issues of Green Farming. Few Mini Review articles on applied aspects of new approaches (with Sr. Authors) may be adjusted, if sent on priority by email. For more details, please contact us.
Vol. 7 (1) : January-February 2016 issue
Green Farming Vol. 7 (1) : 13-17 ; January-February, 2016
Genetic analysis for yield and its traits in medium duration rice (Oryza sativa L.) germplasm accessions
A.K. SARAWGI1, G.C. OJHA2*, NIDHI KOSHTA3 and ATUL PACHAURI4
Deptt. of Genetics and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya, Raipur - 492 012 (Chhattisgarh)
Designation :  
1Professor & Head, 2,4Research Associate *(ojha.gyan@rediffmail.com), 3Junior Research Fellow
Subject : Crop Genetics and Plant Breeding
Paper No. : P-3301
Total Pages : 5
Received : 07 February 2015
Revised accepted : 28 December 2015
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Citation :

A.K. SARAWGI, G.C. OJHA, NIDHI KOSHTA and  ATUL PACHAURI. 2016. Genetic analysis for yield and its traits in medium duration rice (Oryza sativa L.) germplasm accessions. Green Farming Vol. 7 (1) : 13-17 ; January-February, 2016

ABSTRACT
Landraces and wild species possess enormous potential of most precious gene which can be effectively utilized in the breeding programmes to develop high yielding rice varieties. The 258 rice germplasm accessions (landraces) received from NBPGR, New Delhi used in present investigation. Straightforward statistics (means, ranges, standard deviation and coefficient of variation) was considered to have a thought of the level of genetic variability. Frequency distributions were computed to short out the genotypes into diverse classes. The traits, days to 50% flowering and days to maturity readily exist C.V. value not much than 10%. However, most of the traits encompass high C.V. values over 10% and elevated to 28.56% for leaf length. Leaf length was positive and significant correlation with grain yield (r=0.238 at p<0.05). Effective tiller shows significant positive correlation with grain yield (r=0.375 p<0.05, 0.01) as tillering in rice is a major determinant for panicle production and as a result, it affects total yield. L/B ratio shows negative significant correlation with grain yield (r= -0.215 p<0.05). On the basis yield and by considering all desirable traits four germplasm accessions was identified namely IC 376585, IC 145381, IC 300784 and IC 377061.
Key words :
Phenotypic variability and correlation, Rice germplasm, Yield and quantitative traits.