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扬州大学多组学揭示SA协同木质素、蔗糖缓解高温下玉米叶片衰老
1.高温胁迫会导致玉米叶片光合速率和产量下降,引起叶片的氧化损伤,而外源SA可提升光合性能,缓解高温对光合作用的抑制,激活抗氧化系统,即SA上调SOD、POD、CAT活性,减少H₂O₂和MDA积累; ...
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