EFFECT OF MULTI-EFFECT TRIAZOLE ON ABSORPTION OF PHOSPHORUS,NITROGEN AND DISTRIBUTION OF 14CO2- ASSIMILATES IN RAPE PLANT PERFORMANCES OF EXPERIMENTAL POPULATIONS OFAPHIDS, MYZU PERS/CAE(SULZER), FEDON THE RAPE LEAVES EXPOSED TO SO2 Effect of Heat Acclimation and SA Pretreat on the Ultrastructure of Mesophyll Cell in Grape Plants under Heat Shock Effect of Heat Acclimation and SA Pretreat on the Ultrastructure of Mesophyll Cell in Grape Plants under Heat Shock