Cloning, Characterization and Expression of a Phenylalanine Ammonialyase Gene (M-PAL) from Plantain (Musa ABB cv. Dongguandajiao) Changes of Physiology and Biochemistry during Leafcolor Transformation in Loropetalum chinense var. rubrum Effect of He-Ne laser and enhanced ultraviolet-B radiation on the activities of three polyphenol metabolism enzymes in wheat seedling Key enzymes and their regulatory factors involved in biosynthesis of anthocyanins 光、暗处理对蚕豆茎内皮层形成的影响 Ⅱ.与栓化作用有关的酶及抗氧化剂的关系 Changes in Defendant Enzyme Activity and Expression of PAL Gene of Stylosanthes after the Vaccination with Anthracnose Effect of pH on callus growth, PAL activity and paclitaxel content of plants of Taxus L. Study on PAL, PPO, SOD Activities of Tissue Cultured Plantlets of Slash Pine Treated with Lecanosticta acicola Seasonal Changes in the Contents of Pigments and Anthocyanins Synthetase Activity of Sabina przewalskii and Sabina chinensis THE RELATION OF BARK PHENOLICS AND PHENYLALANINE AMMONIA-LYASE TO THE RESISTANCE OF POPLAR CANKER Effects of Liriomyza huidobrensis infestation on the activities of four defensive enzymes in the leaves of cucumber plants THE RELATIONSHIP BETWEEN THE CHESTNUT RESISTANCE TO BLIGHT AND PHENYLALANINE AMMONIALYASE (PAL) Activities of Phenylalanine Ammonial yase in Poplar Clones of Aigeiros Section