CONSEQUENCES OF ENFORCED INBREEDING ON OVULE DEVELOPMENT IN CERTAIN OUTCROSSING POPULATIONS OF INDIAN RAPESEED (BRASSICA CAMPESTRIS L. PRAIN)

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Published: Aug 25, 1997
DOI: https://doi.org/.
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Keywords:
Indian rapeseed, heterozygosity, inbreeding depression, ovule development.

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P. K. SINGH
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences Banaras .Hindu University, Varanasi 221005
B. RAI
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences Banaras .Hindu University, Varanasi 221005

Abstract

Among the open pollinated varieties of Indian rapeseed stlldied, the depressing effect of enforced seifing on ovule size was observed to vary between 9.9% in toria variety D.T.S. to 2.10/. inthl! yellow seeded variety Sinoy. The mean value of inbreeding depression was 7.0% in toria, 4.4% in brown sarson and 2.0% in yellow sarson. The trend of the depressing effect on the ovule developml!nt was also reflected in the similar magnitude in respect of seeds/siliqua, l000-seed weight and oil content.

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SINGH, P. K., & RAI, B. (1997). CONSEQUENCES OF ENFORCED INBREEDING ON OVULE DEVELOPMENT IN CERTAIN OUTCROSSING POPULATIONS OF INDIAN RAPESEED (BRASSICA CAMPESTRIS L. PRAIN). INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, 57(03), 287–289. https://doi.org/.
Issue
Vol. 57 No. 03 (1997): Indian Journal of Genetics and Plant Breeding
Section
Research Article
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