| The two-year-old Sabina chinensis cv.Beijingensis seedlings treated with 0.65 g·L-1,1.30g·L-1,2.60 g·L-1the sprinking plant fertilizer(SPF)and pure water as CK were analysized to research physiological effect and mechanism of Sabina chinensis cv.Beijingensis.The results show: (1)Under SPF treatment, SOD activity in stem,root of seedling is increased; POD activity as well as CAT activity in leaf,root and PPO activity in leaf,stem of seedling is increased too.All these do denefit to resistance ability of Sabina chinensis cv.Beijingensis seedling.(2)Contents of Cu,Mg,Ca,Fe elements under SPF treatment of 0.65 g·L-1 is extremely increased; SPF treatment of 1.30 g·L-1 and SPF treatment of 2.60 g·L-1obviously increased Zn and K contents in seedling;while the content of Mn under any SPFtreatment is decreased obviously.In short, SPF can accelerate or block the ability of absorbing different elements Sabina chinensis cv.Beijingensis seedling.(3)SPF can dramatically increase seedling growth of height and ground diamater.Seedling drought-resistance under SPF treatment of 2.60g·L-1 ranked first in the whole growth stage, seedling drought-resistance under SPF treatment of 1.30 g·L-1 had the stronger drought-resistance in reviving stage and initial stage.(4) MDA content under different treatments indicates: SPF treatment of 1.30 g·L-1 caused the smaller cytomembrane permeability change in reviving stage.it is good for the seedling.SPF treatment of 0.65 g·L-1 and 1.30 g·L-1 blocked the destroy role on seedling cell.
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