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Sulfur dioxide (SO2) is a well-known and widespread air pollutant but it also acts as signaling molecule in various processes in animals. However, there is limited information on the role of SO2 in plants except of its toxicity. Here we studied the role of SO2 on stomatal movements in sweet potato (Ipomoea batatas) leaves. SO2, generated by Na2SO3/NaHSO3 solutions, was applied on epidermal strips...
Brassinosteroids (BRs) have been proposed to increase the resistance of plants to drought stress. The effect of foliar application of 0.1 μM 24-epibrassinolide (EBR) on chlorophyll (Chl) content, photosystem 2 (PS 2) photochemistry, membrane permeability, lipid peroxidation, relative water content (RWC), proline content, and the antioxidant system in drought-stressed Chorispora bungeana plants was...
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