Evaluation of KTJT-1, an early-maturity mutant of sweet sorghum acquired by carbon ions irradiation

Xi-Cun DONG; Wen-Jian LI

doi:10.13538/j.1001-8042/nst.25.020305

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Evaluation of KTJT-1, an early-maturity mutant of sweet sorghum acquired by carbon ions irradiation

NUCLEAR CHEMISTRY, RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE | Updated：2021-01-20

- Evaluation of KTJT-1, an early-maturity mutant of sweet sorghum acquired by carbon ions irradiation
- Nuclear Science and Techniques Vol. 25, Issue 2, Article number: 020305(2014)
- Affiliations：
  
  1.Radiobiology Department, Institute of Modern Physics, Chinese Academy of Sciences, Nanchang Road 509, Lanzhou730000, China
- Author bio：
  
  Corresponding author, dongxicun@impcas.ac.cn
- Funds：
- DOI：10.13538/j.1001-8042/nst.25.020305
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Xi-Cun DONG, Wen-Jian LI. Evaluation of KTJT-1, an early-maturity mutant of sweet sorghum acquired by carbon ions irradiation. [J]. Nuclear Science and Techniques 25(2):020305(2014)
DOI：

Xi-Cun DONG, Wen-Jian LI. Evaluation of KTJT-1, an early-maturity mutant of sweet sorghum acquired by carbon ions irradiation. [J]. Nuclear Science and Techniques 25(2):020305(2014) DOI： 10.13538/j.1001-8042/nst.25.020305.

摘要

Abstract

Sweet sorghum has the potential of becoming a useful energy crop. An early-maturity mutant of sweet sorghum, KFJT-1, was obtained by carbon ions irradiation of KFJT-CK, a wild plant. In this paper, we evaluate the mutant from the length and fresh weight of radicle and leaves after seed germination, the growth rate at the elongation stage, and the internodal parameters under field trail condition. The results showed that the seedling growth of KFJT-1 was inhibited by carbon ions irradiation, and the leaf length, the fresh weight of radicle and leaves from KFJT-1 decreased by 15.32%, 76.27%, and 27.08% than those of KFJT-CK, respectively. However, the growth rate of KFJT-1 on July 12, July 27 and August 1 increased by 16.19%, 59.28% and 26.87%, respectively, compared with the KFJT-CK. The stalk diameter, total biomass yield and sugar content of KFJT-1 was higher than those of KFJT-CK, despite that the plant height of KFJT-1 was significantly less than KFJT-CK (,P,<,0.05). In addition, KFJT-1 differed from KFJT-CK in the internodal length, weight and sugar content. In conclusion, the early-maturity mutant of KFJT-1 will be a promising variety for sweet sorghum industrialization in Gansu province, China.

关键词

Keywords

Sweet sorghumEarly maturityCarbon ionsEvaluation

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