Characteristics of Endosperm Starch of the Rice Mutant Lines Induced by Sodium Azide

• 발행기관: 한국육종학회
• 저자명: Young Seop Shin Chlul Soo Park Yong Weon Seo Ji Ung Jeung
• 간행물 정보: 『한국육종학회지』Vol.41 No.2, 84~91쪽, 전체 8쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2009.06.30

영문 초록

Rice consumption per capta, in South Korea, has been decreased dramatically, owing to the changes of living patterns. Because of not only the major energy source of Korean people but also major income source of Korean farmers, diversifying end-use-quality of rice has been demanded. To the context, Suweon 472 , a high yielding and early mature japonica line and released as Namilbyeo to framers in 2002, was treated with a chemical mutagen, Sodium Azide to find endosperm mutant types. A total of nine endosperm mutat lines, including five waxy, one dull, two floury, and one white core type, were identified from the 3,542 mutatagen treated lines. Amylose contents, iodine reaction, disintegration in alkali solution, gelatinization in urea solution and amylogram properties of those nine endosperm mutant lines were evaluated to address the possibility as new genetic materials for diversifying rice quality of Korean japonica cultivars. All embryo mutants were clearly differentiated from their wild type, Suweon 472 , in terms of physic-chemical properties evaluated. The endosperm mutant lines would be very useful in expanding untiliztation of rice through opening new rice markets of processed foods from Korean japonica rice.

목차

INTRODUCTION

MATERIALS AND METHODS

RESULTS AND DISCUSSION

키워드

Rice Sodium Azide Mutation Endosperm