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Verma, S. B.
- Identification of Restorers and Maintainers Lines in Rice (Oryza sativa L.)
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Authors
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1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
Source
International Journal of Plant Sciences, Vol 14, No 1 (2019), Pagination: 25-27Abstract
Three cytoplasmic genetic male sterile (cm) lines, mainly IR 58025 A, PMS 8 A and PMS 10 A were crossed with eight indigenous rice genotypes of saline alkaline and scented high yielding to identify their prospective restorers, partial restorers and effective maintainers. Study of F1S enabled to identify fourteen restorers ten partial restorers to CMS lines. None of the lines were found to be partial maintainers and effective maintainers for the CMS lines.Keywords
Rice, CMS Lines, Restorers, Maintainers.
References
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- Ingaie, B.V.,Waghmode, B.D. and Hoadwadekar, S.S. (2005). Identification of restorers and maintainer for various CMS lines in rice. J. Maharastra Agric. Univ., 30:163-166.
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- Parmita, Prgya and Goswami, Ashish (2017). Identification of restorers and maintainers for WA based Indica CMS lines of rice. Internat. J. Plant Sci., 12 (2): 125-130, DOI: 10.15740/HAS/IJPS/12.2/125-130.
- Raju Ram, Sharma, Deepak, Chaudhary, Mangla, Sao, Abhinav and Gauraha, Deepak (2006). Identification of restorers and maintainers for hybrid rice development in Chhatishgarh. Internat. J. Agric. Sci., 2 : 654.
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- Rosamma ,C.A. and Vijay Kumar, N.K. (2005) Maintainers and restorers for cms lines of rice. J. Trop Agric., 43:73-77.
- Siddiq, E.A. (1997). Current status and future outlook for hybrid rice technology in india. In : Hybrid Rice. A key to success (ed. R. Vijaya Kumar and P.S.S. Murthy) Acharya N.G. Ranga Agricultural University, Agricultural Research Station, Maruteru. pp.1-34.
- Analysis of Combining Ability for Yield and its Contributing Traits in Rice (Oryza sativa L.)
Abstract Views :315 |
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Authors
Affiliations
1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
Source
International Journal of Plant Sciences, Vol 14, No 1 (2019), Pagination: 33-36Abstract
Among the pollinator lines Swarna followed by NDRK 5026 were found to be good general combiners rest of the lines were poor combiners for grain yield and its major components. Among the CMS lines PMS 10 was found good general combiners for grain yield and its major components characters. Among 24 hybrids studied IR58025A x MT 20-1-1, PMs 8 A x NDRK 5023, IR 58025 A x NDRK 5026 exhibited high sea effects for grain yield, days to 50 per cent flowering, plant height, total no of tillers per plant, panicle bearing tillers per plant and panicle length. The magnitude of SCA variances than GCA variances for all characters were much higher. Maximum GCA and SCA variance was recorded for total spiketets per panicle and grain yield, respectively. Due to negative GCA variances for panicle length and test weight the average degree of dominance and predictability ratio could not be work out.Keywords
GCA, SCA, Rice Combining Ability.References
- Griffing B. (1966). Concept of general combining and specific combining ability in relation to diallel crossing system. Aust. J. Bio. Sci., 9 : 463 - 493.
- Kempthorne, O. (1957). An introduction to genetic statistics, John Wiley & Sons.
- Manomani, S. and Khan, A.K. Fazlullah (2003). Studies on combining ability and heterosis in rice. Madras Agric J., 90: 228-231.
- Rashid, M., Cheema, A.A. and Ashraf, M. (2007). Line x Tester analysis in basmati rice. Pakistan J. Bot., 36 (6): 2035-2042.
- Saidaiah, P., Sudheer Kumar, S. and Ramesha, M.S. (2010). Combining ability studies for development of new hybrids in rice over environments. J. Agric. Sci., 2 (2):225-233.
- Saleem, M.Y., Mirza, J.I. and Hag, M.A. (2010). Combining ability analysis for yield and yield related traits in basmati rice (oryza sativa L.). Pak. J. Bot., 42 (1) : 627-637.
- Saravanan, K., Ramya, Satheesh Kumar, P. and Subesan, T. (2006). Combining ability for yield and quality traits in rice (Oryza sativa L.). Oryza , 43 (4) : 274-277.
- Singh, A., Kumar, N.K. and Chaudhary, V.K. (2004) line x tester analysis for grain yield and related traits in rice. Madras Agric. J., 94 (4-6):211-214.
- Vanjna, T., Babu, L.C., Radhakrishnan, V.V. and Pushkaran, K. (2003). Combining ability for yield and yield components in rice varieties of diverse origin. J. Tropi. Agric., 41(1/2) : 7-15.
- Heterosis for Yield Components in Rice (Oryza sativa L.)
Abstract Views :215 |
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Authors
Affiliations
1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
1 Department of Genetics and Plant Breeding (Agricutural Botany), Udai Pratap Autonomous College, Varanasi (U.P.), IN
Source
International Journal of Plant Sciences, Vol 14, No 1 (2019), Pagination: 51-54Abstract
Heterosis was estimated as per cent increase or decrease of F1 values over either heterobeltiosis and over best variety Sarjoo 52. The relative magnitude of heterosis over better parent and standard variety has been studied for ten characters in twenty four hybrids. The nature and magnitude of heterosis differ from character to character depend upon hybrid combinations. Out of 24 F1s fifteen and eleven hybrid exhibited significant positive heserosis over better parent and standard variety for grain yield. The cross IR 58025 A x NDRK 5026 (BP) and PMS 10 A x Swarna (SV) were best hybrids.Keywords
Heterobeltiosis, Rice, Hybrid Yield.References
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