Biochemistry, Genetics and Molecular Biology
7 years ago

Extreme Light and Cold Threaten Photosynthesis of Vital Tree Seedlings

Photosynthetica
Combined stresses of light and chilling on photosynthesis of Fraxinus mandschurica seedlings in northeastern China
X. F. Li, Lifeng Jin, Chengli Zhu, Yongjing Wen, Yiran Wang

Paper Summary

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Fraxinus mandshurica seedlings in northeast China were studied under combined stresses of light and chilling. The researchers found that as temperature and light decreased, the seedlings' photosynthesis was significantly affected. Both high and low light stresses led to decreased efficiency in photosynthesis. The seedlings were unable to dissipate excess light energy at frost temperatures. Overall, the study suggests that Fraxinus mandshurica seedlings are adapted to handle the combined stresses of light and chilling.