Control efficiency of endophytic actinomycetes A-1 against apple fruit ring rot and its influence on the activity of defense-related enzymes Studies on the Appraisal Principle and It‘s Technical System for Cold-resistance in Crops EFFECT OF ENDOPHYTIC BACTERIA ON BIOLOGICAL CONTROL OF PLANT DISEASE Controlling mechanisms of tomato gray mould by endophytic bacterium Jcxy8 (Bacillus circulan) Regulation of the plant stomatal movement under drought condition Research progress on wind erosion control with polyacrylamide (PAM).