Alleviation Effects of Exogenous Trehalose and Choline Chloride on the Seedlings of Rapeseed under Drought Stress

• Yuan NIU, 
• Qinrong SHI, 
• Randi WU, 
• Lingfen LI, 
• Yuqiang DIAO, 
• Dejun ZENG, 
• Hang SU, 
• Guoliang ZHANG