In this study, with the increase in 2,4-DNP concentration, NPQ increased from 0.75 in the control group (CK) to 1.64 at 10 mg L −1 and then gradually decreased to 1.37 at 20 mg L −1 , with an overall trend of increasing and then decreasing.
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The Physiological Response of <i>Salix matsudana</i> for Water Pollution by 2,4-Dinitrophenol.
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The results showed that P N (net photosynthetic rate), T r (transpiration rate), G s (stomatal conductance), L s (stomatal limitation value), F v / F m (maximal quantum yield of PSII photochemistry), and q p (photochemical quenching coefficient) of Salix matsudana seedlings showed an overall decreasing trend, while C i (intercellular CO 2 concentration) showed an increasing trend with the increase in 2,4-DNP concentration.
With the increase in 2,4-DNP concentration, the removal of 2,4-DNP by Salix matsudana seedlings showed a decreasing trend.