Photoperiodic and lighting treatments for flowering control and its genetic regulation in sugarcane breeding

文献类型： 外文期刊

第一作者： Wickramasinghe, Kamal Priyananda

作者： Wickramasinghe, Kamal Priyananda;Kong, Chun-yan;Lin, Xiu-qin;Zhao, Pei -fang;Mehdi, Faisal;Li, Xu-juan;Liu, Xin-long;Mao, Jun;Lu, Xin;Wickramasinghe, Kamal Priyananda;Kong, Chun-yan;Lin, Xiu-qin;Zhao, Pei -fang;Mehdi, Faisal;Li, Xu-juan;Liu, Xin-long;Mao, Jun;Lu, Xin;Wickramasinghe, Kamal Priyananda;Mehdi, Faisal

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关键词： Flowering control; Light wavelengths; Photoperiod; ScFT; Sugarcane

期刊名称：HELIYON （ 影响因子：4.0； 五年影响因子：4.1 ）

ISSN：

年卷期： 2024 年 10 卷 7 期

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收录情况： SCI

摘要： Improvement of sugarcane is hampered due to its narrow genetic base, and the difficulty in synchronizing flowering further hinders the exploitation of the genetic potential of available germplasm resources. Therefore, the continuous evaluation and optimization of flowering control and induction techniques are vital for sugarcane improvement. In view of this, the review was conducted to investigate the current understanding of photoperiodic and lighting treatment effects on sugarcane flowering and its genetic regulation. Photoperiod facilities have made a significant contribution to flowering control in sugarcane; however, inductive photoperiods are still unknown for some genotypes, and some intended crosses are still impossible to produce because of unresponsive varieties. The effectiveness of lower red/far-red ratios in promoting sugarcane flowering has been widely understood. Furthermore, there is vast potential for utilizing blue, red, and far -red light wavelengths in the flowering control of sugarcane. In this context, light -emitting diodes (LEDs) remain efficient sources of light. Therefore, the combined use of photoperiod regimes with different light wavelengths and optimization of such treatment combinations might help to control and induce flowering in sugarcane parental clones. In sugarcane, FLOWERING LOCUS T ( ScFT ) orthologues from ScFT1 to ScFT13 have been identified, and interestingly, ScFT3 has evidently been identified as a floral inducer in sugarcane. However, independent assessments of different FT -like gene family members are recommended to comprehensively understand their role in the regulation of flowering. Similarly, we believe this review provides substantial information that is vital for the manipulation of flowering and exploitation of germplasm resources in sugarcane breeding.

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