Author(s):

Dr. Police Patil AS, Dr. Nanjappa HV, Dr. Ramachandrappa BK and Dr. Basavaraj PK

Abstract: A field experiment was laid out in RCBD including four aerobic rice genotypes (MAS 946-1, MAS-26, MAS-77 and Rasi) and three target yield (4.5, 5.5 and 6.5 t ha^-1) levels conducted at ZARS, UAS, Bengaluru. Higher protein content of 9.90 per cent was obtained in MAS 946-1 than the Rasi (8.89%), MAS 77 (8.94%) and MAS 26 (9.21%). Among the genotypes rate of chalkiness differed significantly, MAS 77 recorded significantly higher rate of chalkiness (13.92%) over MAS 946-1 (7.94%), MAS 26 (8.79%) and Rasi (9.57%). It explains the exposure of plant to environmental stress condition. The grain length (1.15 cm), L/B ratio (4.46) and SAI (372.95) were higher in MAS 77. Overall quality was good in MAS 77. The protein and amylose content have differed with the nitrogen levels for higher targeted yields. Among the fertilizer levels for targeted yield of 6.5 t ha-1 recorded higher protein content of 10.97 per cent compared to other targeted yield levels. While, significantly lower protein content of 8.03 per cent was observed with 4.5 t ha^-1 yield level. The amylase content was higher in 6.5 t ha^-1 targeted yield (16.13%) compared to 4.5 and 5.5 t ha^-1 targeted yields.

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