Vol. 5 (2) : March-April 2014 issue
Green Farming Vol. 5 (2) : 262-264 ; March-April, 2014
Extent of degradation of grains by Alkali spreading method and physico-chemical parameters in selected RIL’s of aerobic rice
HARSHIYA BANU1*, B.N. JAGADEESH2 and SHAILAJA HITTALMANI3
Department of Genetics and Plant Breeding, University of Agricultural Sciences, Gandhi Krishi Vignana Kendra, Bangalore - 560 065 (Karnataka)
Designation : 1Ph.D. Scholar *(harshiyagpb@gmail.com), 2Assoc. Professor, 3Professor & Head (shailajah_maslab@rediffmail.com)
Subject : Crop Genetics and Plant Breeding
Paper No. : P-1182
Total Pages : 3
Received : 06 November 2013
Revised accepted : 08 March 2014
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Citation :
HARSHIYA BANU, B.N. JAGADEESH and SHAILAJA HITTALMANI. 2014. Extent of degradation of grains by Alkali spreading method and physico-chemical parameters in selected RIL’s of aerobic rice. Green Farming Vol. 5 (2) : 262-264 ; March-April, 2014
ABSTRACT
Research was carried out to assess the grain quality of F7 Recombinant inbred lines (RIL's) of aerobic rice compared to two parents BPT 5204 (Fine grain) and HPR 14 (High protein rice) along with two checks MAS 26 and MAS 946-1 developed at Department of Genetics and Plant Breeding, UAS, Bengaluru. Physico-chemical parameters measured were Alkali spreading test, Gelatinization temperature and amylose content. The results of the study showed significant differences (p<0.05) in case of amylose content. 58 genotypes had good amylose content ranging intermediate (20-25%),57 genotypes had shown very high amylose content (>25%) and 1 genotype was showing low amylose content (<20%). The parent varieties however, had lower levels of amylose content <20% and even checks had shown low amylose content. The parents and checks recorded higher gelatinization temperature of 75-79 0C which was good,where kernels are not effected at high gelatinization temperature. Genotypes showing medium and low gelatinization temperature exhibited kernel dispersed and intermingled means totally not fit for cooking quality. So this needs requisite attention in future breeding programmes.
Key words :
Aerboic rice, Alkali spreading test, Amylose content, Chemical quality parameters, Gelatinization temperature.