The Simple and Rough Screening Method of Phosphorus Deficient Tolerance Rice

• 발행기관: 한국작물학회
• 저자명: Woon-Ha Hwang Dae-Wook Kim Jae-Heok Jeong Han-Yong Jeong Hyen-Seok Lee Kyung-Jin Choi Gun-Hwi Lee In-Jung Lee Sung-Hwan Oh
• 간행물 정보: 『한국작물학회지』제60권 제4호, 412~420쪽, 전체 9쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2015.12.30

영문 초록

Even though phosphorus (P) is essential element for plant growth and development, it is not enough for crop production in soil. To breed more P deficient tolerance rice, screening and selection in rice population is needed. We tried to develop more simple and rough screening method for breeding of P deficient tolerance rice. In P deficient condition, tiller number was dramatically decreased among yield components in rice. Though this result, we confirmed tiller number could be the best marker in screening of P deficient tolerance rice. 480 rice genetic resources were cultivated in rice bed tray filled with P deficient soil for four weeks and each dry weight was measured. Among them, the 55 kinds of genetic resource were selected then cultivated in paddy field with 3 fertilizer conditions. Plant dry weight and tiller number in ripening stage were shown significant difference according to P condition. Plant dry weight and tiller number in ripening stage was highly correlated especially in P deficient condition. Furthermore, the tiller number in ripening stage and plant dry weight in rough screening were shown high degree correlation. Though these results, we might expect measuring of plant dry weight after cultivation in rice bed tray filled with P deficient soil could be a simple and effective screening method in selection of P deficient tolerance rice.

목차

MATERIALS AND METHODS

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ACKNOWLEDGEMENTS

키워드

rice phosphorus screening deficient tolerance dry weight