Relationship between the Lepidosaphes salicina-Caused Damages and Activities of Leaf Defensive Proteins of Syringa spp. Effects of Short-term High Temperature Stress on Antioxidant System in Poinsettia Effect of Postharvest High-oxygen Treatments on ‘Dongzao’Jujube Membrane Lipids Peroxidation and Defensive Enzyme Activities during Shelf-life Effect of Postharvest High-oxygen Treatments on ‘Dongzao’Jujube Membrane Lipids Peroxidation and Defensive Enzyme Activities during Shelf-life VARIATIONS AND SELECTION OF WHEAT MUTANT RESISTANT TO SCAB Activities of POD, PPO and PAL in Poplar(Populus simonii×P. pyramidalis ‘Opera 8277’)Leaves Exposed to Different Volatiles STUDY ON THE CORRELATION OF RESISTANCE AND SUSCEPTIBILITY TO BACTERIAL BLIGHT WITH THE ACTIVE OXYGEN AND THE DEFENSIVE ENZYMES IN HYBRID RICE SEEDINGS Effects of exogenous jasmonic acid on resistance of kidney bean to Liriomyza sativae Effects of Short-term High Temperature Stress on Antioxidant System in Poinsettia Effects of alcoholic extracts from Acorus tatarinowii on defensive enzymes of tomato Changes of defensive enzymes and active oxygen of Puccinellia tenuiflora seedlings under Na2CO3 stress Effects of arbuscular mycorrhizal fungus on the seedling growth of grafted watermelon and the defensive enzyme activities in the seedling roots. Control effects of Trametes versicolor dextran on wheat yellow dwarf Physiological Response of Apple Leaves From Different Cultivars to Exogenous Salicylic Acid Effects of Calcium on Resistance to Gray Mold and Aactivities of Defensive Eenzymes Induced by Salicylic Acid in Tomato Leaves Effects of Melittin on the Physiological Indices and Defensive Enzymes in Crops The physiological mechanism of corn against Cercospora zeae-maydis infection