highly significantP <0.01
on the other hand, chlorophyll b showed a highly significant positive correlation with three antioxidant enzyme activities ( P <0.01).
on the other hand, chlorophyll b showed a highly significant positive correlation with three antioxidant enzyme activities ( P <0.01).
The content of soluble sugars increased in the treatment groups with the exception of the S7 group, and the content of MDA generally showed a decreasing trend.