Supported by Shanghai Science and Technology Commission Project,China(18ZR1433200);National Key Technology R&D Program(2014BAD05B05-05);Shanghai Agriculture Applied Technology Development Program,China(Grant No.20170201)
Chilling stress was one of the most sever abiotic stress to restrict cucumber plant growth.The effects of different concentrations of spermidine( 0.1,0.5,1 and 5 mM) on photosynthetic characteristics,antioxidant( cata...