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《Molecular Plant Breeding》 2018-08
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Photosynthetic Characteristics Analysis of Different Generations of Distant Hybridization of Sugarcane and E. arundinaceum

Xie Jing;Wu Jiantao;Fu Cheng;Wu Qiwei;Chang Hailong;Zhang Wei;Chen Junlv;Wang Qinnan;Hainan Sugarcane Breeding Station of GSIRI,Guangdong Scientific Observation Test Station of Sugarcane Germplasm Resources and Utilization,Ministry of Agriculture;  
Different generations of distant hybridization of sugarcane and E.arundinaceum were took as materials in this study.Chlorophyll fluorescence detector PAM-2500 was used to determine its rapid light response curve,and the initial slope α,maximum electron transfer rate ETRm,and semi saturated light intensity Ikof rapid light response curve were obtained.Also,the photosynthetic characteristics of different materials were studied.The result showed that α,ETR_m and Ikof different materials had obvious difference.α of YCE06-63 was the maximum and ETR_m and Ik of YCE01-69 were the maximum.BC_3 had the maximum light efficiency.ETR_m and I_k of different generations were in the same order which might relate with the high-positive correlation between ETRm and I_k.F_1 had the maximum photosynthesis rate and strong light tolerance.The above results could provide a reference to make better use of E.arundinaceum filial generation to produce high efficiency new species.
【Fund】: 国家自然科学基金(31701488);; 现代农业产业技术体系建设专项资金(No.CARS-17-01-07);; 广东省科技计划项目(2017A030303049;2016A030303019;2014A030304026);; 2017年广东省科学院院属骨干科研机构创新能力建设专项项目(2017GDASCX-0105);; 广东省科学院科研平台环境与能力建设专项资金项目(No.2016GDASPT-0306)共同资助
【CateGory Index】: S566.1
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