Role of local germplasm and induced mutations in the improvement of the protein content in rice

✍ Scribed by A. K. Sarala; G. M. Reddy

• Publisher: Springer
• Year: 1979
• Tongue: English
• Weight: 426 KB
• Volume: 54
• Category: Article
• ISSN: 0040-5752
• DOI: 10.1007/bf00265473

✦ Synopsis

Ninety local cultivars and 124 induced grain shape mutants were screened for their protein content and the distribution of protein in their endosperm. The protein content varied widely from 4.2 to 12.1% in the local varieties and from 5.5 to 13.7% in the mutants. Some high protein lines like 'Chinnavadlu', 'Budumavadlu', etc. with more than 10.0% protein were identified. Protein distribution studies have shown that several mutants, such as IR-8-FG-28, IR-8-FG-33, etc., have a deeper distribution of protein bodies and some local cultivars, like 'Kakathya' and 'Muchulu', have a relatively more uniform distribution of protein in the endosperm. The protein content at different milling levels revealed that at 12% milling the percentage retention of protein varied from about 79 to 96% irrespective of the percentage of protein, suggesting that the distribution of protein, in addition to the protein content, plays an important role in nutritive value of rice.