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| Comparison and cluster analysis of chlorophyll fluorescence characteristics in Saccharum spontaneum L．resources |
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| DOI：10.16768/j.issn.1004-874X.2017.05.004 |
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| Abstract: |
| Chlorophyll fluorescence technology was applied to investigate the chlorophyll fluorescence
characteristics of 59 sugarcane germplasm resources，to provide a reference for the high photosynthetic efficiency of
sugarcane resources utilization and screening of high photosynthetic efficiency of sugarcane variety improvement.The
results showed that，the photosynthetic characteristics differences of the 4 parameters Fv/Fm * ETR factor/2，alpha
ETRm maximum light use efficiency，electron transfer efficiency，Ik minimum saturation intensity differences were
significant. Using cluster analysis method，α photosynthetic light use efficiency as the index，the 59 materials were
divided into 4 categories，namely class Ⅰ high photosynthetic efficiency，class Ⅱ in high photosynthetic efficiency
and photosynthetic efficiency in class Ⅲ and Ⅳ low photosynthetic efficiency. Four high efficiency germplasm
materials were selected，including Yunnan 75- I -10，Yunnan 82-61，No. 8 of Fujian dengke，and Sichuan 88-34，which could be used on the original innovation in sugarcane. |
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