학술논문
Symbiotic Effectiveness of Bradyrhizobium japonicum USDA 110 in Supernodulating Soybean Mutant SS2-2
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- 영문명
- 발행기관
- 한국작물학회
- 저자명
- Puji Lestari 반규정(Van, Kyujung) 김문영(Moon Young Kim) 이석하(Lee Seokha)
- 간행물 정보
- 『한국작물학회지』제50권 제2호, 125~130쪽, 전체 6쪽
- 주제분류
- 농수해양 > 기타농수해양
- 파일형태
- 발행일자
- 2005.06.30
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국문 초록
영문 초록
In the absence of exogeneous nitrogen supply, evaluation of a symbiosis effectiveness of Bradyrhizobium japonicum USDA 110 in a supernodulating soybean mutant, SS2-2, its wild type, Sinpaldalkong 2, and control genotype, Jangyeobkong, was conducted in this study. Nodules in SS2-2 were initially white and similar to its wild type, Sinpaldalkong 2. At the late stage, the wild type nodules became dark pinkish by maturation, by contrast, mature nodules in SS2-2 remained light green to pinkish, indicating a lack of leghemoglobin. Tap root length was short in nodulated symbiotic SS2-2 than that of its wild type and the control genotype. Nodulated root length and nodule density on root length were significantly increased by B. japonicum inoculation, but no significant increase was observed on root length and percentage of nodulation to total root length. Regardless of Bradyrhizobium inoculation, SS2-2 showed higher nodule dry weight and higher acetylene reduction activity (ARA) when compared with its wild type and the control genotype. Inoculation of B. japonicum leaded the increase of ARA in 47 days after planting (DAP), in part because of nodule development. Supernodulating mutant, SS2-2, less responded to B. japonicum induction in terms of nitrogen fixation and nodulation characteristics than its wild type. Thus, interaction of supernodulating soybean mutant with Bradyrhizobium had less symbiotically associated response than normal nodulating soybean.
목차
MATERIALS AND METHODS
RESULTS AND DISCUSSION
ACKNOWLEDGEMENT
REFERENCES
해당간행물 수록 논문
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- Symbiotic Effectiveness of Bradyrhizobium japonicum USDA 110 in Supernodulating Soybean Mutant SS2-2
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