학술논문
Radio Sensitivity of Cowpea Plants after Gamma-Ray and Proton-Beam Irradiation
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- 영문명
- 발행기관
- 한국육종학회
- 저자명
- Ryulyi Kang Eunju Seo Gyutae Kim Aron Park Woon Ji Kim Si-Yong Kang Bo-Keun Ha
- 간행물 정보
- 『Plant breeding and biotechnology』Vol.8 No.3, 281~292쪽, 전체 12쪽
- 주제분류
- 농수해양 > 기타농수해양
- 파일형태
- 발행일자
- 2020.09.01
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국문 초록
영문 초록
Cowpea (Vigna unguiculata (L.) Walp.) is one of the important legume crops in which all stages of plant growth are used in human food and animal feed. In this study, morphological and biochemical changes were investigated in cowpea plants exposed to proton-beams and gamma-rays. ‘Okdang’ cultivar seeds were irradiated with 100, 200, 300, 400, and 500 Gy of gamma-rays and proton-beams. The gamma-ray and proton-beam irradiations significantly delayed emergence period, but had small effects on emergence rates. Compared to a control, the proton-beam treatments showed a significant decrease in survival rate above 200 Gy. The gamma-ray treatments significantly reduced survival rate above 300 Gy. The Lethal Dose 50 (LD50) for both irradiations were 200-300 Gy. Plant height and fresh shoot weight tended to decrease with increasing radiation levels. The Reduction Dose 50 (RD50) of plant height was between 100 and 200 Gy for the proton-beam and 200 to 300 Gy for the gamma-ray treatments. The RD50 of fresh shoot weight was expected to be 500 Gy or higher for the proton-beam and gamma-ray treatments. The malonaldehyde (MDA) content in both treatments were slightly decreased at 200 Gy compared to a control, but increased at 300 Gy. Overall, antioxidant enzymes reacted more to proton-beams than to gamma-rays. However, gamma-rays appear to have a greater effect on chlorophyll content than protonbeams. Our research will be valuable as a basic research comparing the mutagenic effects on cowpea induced by two ionizing radiations.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
ACKNOWLEDGEMENTS
CONFLICT OF INTEREST
REFERENCES
해당간행물 수록 논문
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- Visiting Bitter Gourd (Momordica charantia) from a Breeding Perspective: A Review
- Inducing Potential Mutants in Bread Wheat Using Different Doses of Certain Physical and Chemical Mutagens
- Radio Sensitivity of Cowpea Plants after Gamma-Ray and Proton-Beam Irradiation
- Advanced Breeding Technologies for Accelerating Genetic Gain
- Statistical and Machine Learning-Based FHB Detection in Durum Wheat
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