Z. Akhter
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
A.K.M. Shamsuddin
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
M.M. Rohman
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
M. Shalim Uddin
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
M. Mohi-Ud-din
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
A.K.M.M. Alam
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensing, Bangladesh
ABSTRACT
In 6x6 diallel cross, heterosis was studied in 15 F1. The variances due to heterosis were significant for all the characters. Overall heterosis partitioned into components and showed that average, variety and specific heterosis were significant for plant height, harvest index, days to 90% maturity and grain yield per plant. Spikes per plant estimated significant variety and specific heterosis and 100-grain weight estimated significant average and variety heterosis. Spike length and grains per spike showed only significant specific heterosis. Mid parent heterosis for grain yield per plant was observed maximum (110.34%) in the cross P3xP6.
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How to cite this article
Z. Akhter, A.K.M. Shamsuddin, M.M. Rohman, M. Shalim Uddin, M. Mohi-Ud-din and A.K.M.M. Alam, 2003. Studies on Heterosis for Yield and Yield Components in Wheat. Journal of Biological Sciences, 3: 892-897.
DOI: 10.3923/jbs.2003.892.897
URL: https://scialert.net/abstract/?doi=jbs.2003.892.897
DOI: 10.3923/jbs.2003.892.897
URL: https://scialert.net/abstract/?doi=jbs.2003.892.897
REFERENCES
- Atale, S.B. and D.G. Vitkare, 1990. Heterotic expression for yield and yield components in 15x15 diallel in bread wheat. Indian J. Genet., 50: 153-156.
Direct Link - Gardner, C.O. and S.A. Eberhart, 1966. Analysis and interpretation of the variety cross diallel and related populations. Biometrics, 22: 439-452.
PubMedDirect Link - Griffing, B., 1956. Concept of general and specific combining ability in relation to diallel crossing systems. Aust. J. Biol. Sci., 9: 463-493.
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