ISSN : 0975-3710
EISSN : 0975-9107
N.K. SINGH1, A.K. SINGH2, A.K. MALL3*
1Department of Genetics and Plant Breeding, Narendra Dev University of Agriculture and Technology, Kumarganj, 224 229, Faizabad, Uttar Pradesh
2Centre of Advance Studies in Plant Physiology, Narendra Dev University of Agriculture and Technology, Kumarganj, 224 229, Faizabad, Uttar Pradesh
3ICAR-Indian Institute of Sugarcane Research, Lucknow, 226 002, Uttar Pradesh
* Corresponding Author : Ashutosh.Mall@icar.gov.in
Received : 16-05-2017 Accepted : 07-06-2017 Published : 30-06-2017
Volume : 9 Issue : 30 Pages : 4431 - 4434
Int J Agr Sci 9.30 (2017):4431-4434
Keywords : Rice, Normal and delay transplanting, GCV, PCV, Correlation, Direct and indirect effects
Academic Editor : Senthil Kumar M.
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are obliged to Vice-chancellor and Dean of N.D. University of Agriculture & Technology, Kumarganj, Faizabad, 224 229, Uttar Pradesh for providing the facilities for conduction of experiment.
Author Contribution : All authors made substantial contributions to conception and design, acquisition of data, analysis and interpretation of data; Authors participate in drafting the article or revising it critically for important intellectual content.
The importance of additive gene effects for most of the nine traits in the three crosses under two transplanting conditions suggested substantial scope of improvement in yield status can still be achieved by using breeding procedures. GY/P, BY/P and PH possessed high heritability and genetic advance in both conditions and emerged as ideal traits for selection. G/P, T/P and DFF in E1 and HI in E2 appeared also as ideal traits for selection owing to their high estimates for both parameters in respective conditions. At both levels, positive correlation of GY/P was recorded with HI in both transplanting conditions. BY/P, PL in both transplanting conditions and T/P and G/P in E1 appeared as strong positive associates of GY/P at both levels. Path analysis identified BY/P and HI as most important direct components and PL and G/P as most important indirect components of GY/P in both conditions. These characters merit due to consideration in formulating effective selection strategy in rainfed lowland rice for developing high yielding varieties for normal and delayed transplanting.
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