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The effect of gamma-irradiation on the changes of photosynthetic efficiency in Kanpei (Citrus unshiu x C. sinensis)

作     者:Heo, Seong Choi, Jung Min Anh Tuan Le Eun, Chang-Ho Kim, In-Jung Chung, Yong Suk 

作者机构:Kongju Natl Univ Dept Hort Yesan 32439 South Korea Jeju Natl Univ Dept Plant Resources & Environm Jeju 63243 South Korea Jeju Natl Univ Subtrop Hort Res Inst Jeju 63243 South Korea Jeju Natl Univ Coll Appl Life Sci Fac Biotechnol SARI Jeju 63243 South Korea Jeju Natl Univ Res Inst Subtrop Agr & Biotechnol SARI Jeju 63243 South Korea 

出 版 物:《PLANT BIOTECHNOLOGY REPORTS》 (植物生物技术报告)

年 卷 期:2022年第16卷第2期

页      面:251-255页

核心收录:

学科分类:0710[理学-生物学] 071001[理学-植物学] 07[理学] 0836[工学-生物工程] 

基  金:Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2019R1A6A1A11052070] 

主  题:Mutagenesis Gamma-ray SPAD value Citrus breeding Citrus unshiu C sinensis 

摘      要:Fruit trees are perennial plant to have a characteristic requiring a long juvenile period until fruit set in general. Developing to release a new fruit cultivar is a laborious and cost- and time-consuming work. Especially, citrus breeding is not always feasible due to its cross-incompatible, sterile, and polyembryonic characteristics. Therefore, mutagenesis has been widely applied to citrus breeding to increase mutation frequency and genetic variability enabling development of new genotypes as an alternative method. Recently, various tangor (Citrus unshiu x C. sinensis) cultivars were released through interspecific hybridization. Many attempts have been made to induce mutations in developing tangor cultivars, while their physiological effects have not been verified yet. To investigate the effect of gamma-irradiation exerted on tangor cultivar Kanpei , its scions were irradiated with 20, 40, 60, 80, and 100 Gy of gamma-rays. Then, we examined the SPAD values between the gamma-irradiated M-0 plants comparing with control Kanpei (0 Gy). Interestingly, we found that there are variations in SPAD values among different treatments. This implies that mutation breeding should consider different factors other than the target traits.

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