Agricultural and Biological Sciences
8 years ago

Chilling acclimation boosts cucumber photosynthesis, improving crop resilience and yield.

He'nan nongye daxue xuebao
The effect of chilling acclimation on photosynthesis of cucumber seedlings
Pang Jin

Paper Summary

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Chilling acclimation affects photosynthesis in cucumber seedlings. Both acclimated and non-acclimated leaves showed a decrease in net photosynthetic rate after chilling treatment, but the decrease was less in acclimated seedlings. Chilling also led to a decrease in stomatal conductance and intercellular CO2 concentration, and an increase in stomatal limiting value. Non-stomatal factors were found to be the main cause of decreased photosynthesis in non-acclimated leaves, while there was an increase in intercellular CO2 concentration and a decrease in stomatal limiting value.