Collection, characterization, conservation and utilization of traditional rice varieties of Karnataka
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Authors
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M. P. Rajanna
All India Co-ordinated Research Project (Rice), ZARS, VC Farm, Mandya 571405, (U.A.S, Bengaluru, Karnataka)
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E. Gangappa
College of Agriculture, GKVK, Bengaluru;
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P. Mahadevu
All India Co-ordinated Research Project (Rice), ZARS, VC Farm, Mandya 571405, (U.A.S, Bengaluru, Karnataka)
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B. Nandini
All India Co-ordinated Research Project (Rice), ZARS, VC Farm, Mandya 571405, (U.A.S, Bengaluru, Karnataka)
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S. Ramesh
All India Co-ordinated Research Project (Rice), ZARS, VC Farm, Mandya 571405, (U.A.S, Bengaluru, Karnataka)
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C. A. Deepak
All India Co-ordinated Research Project (Rice), ZARS, VC Farm, Mandya 571405, (U.A.S, Bengaluru, Karnataka)
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G. Krishna Prasad
Sahaja Samrudha - Organic Farmers Association of Karnataka
Abstract
Traditional rice varieties (TRVs) collected from different locations of Karnataka were evaluated for grain yield, its attributes, reaction to blast, grain quality and cooking parameters (protein, amylose, iron and zinc content using NIR) by adopting standard procedures. Analysis of grain nutrient contents such as protein, amylose, iron and zinc
revealed wide variation for the grain protein content (5.57-14.96%), amylose (17.25-44.42 %), iron (9.17-15.72 mg/kg) and zinc (10.24-33.40 mg/kg). Physical, physico-chemical and cooking quality parameters estimated for the selected 49 TRVs also indicated significant difference for water uptake ratio suggesting variation for kernel texture, surface area and amylose content. Screening of theTRVs for field resistance against leaf blast disease revealed that
11 out of 324 TRVs were found resistant at both Mandya and Ponnampet. Molecular validation for leaf blast disease resistance for selectedTRVs revealed that, Pi 9 resistance type allele present in 48TRVs; Pish in 42; Pi38 in 46; Pib in 28; Pi 20(t) in 26 and PiK in 21 TRVs.