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Effects of light quality on differentiation and its related enzymes in callus culture of cucumber and tomato

Wang Weirong, Wang Yongdong, Ouyang Guangcha, Xue Yinglong

Dept. Biochem., Fudan Univ.

Abstract

Light quality has a marked effect on differentiation and physiological and biochemical process of cultured cucumber and tomato calluses. The changes of activities of these enzymes were positively correlated to the differentiation of tissue and organ in culture process. The third ones under white, blue, and yellow lights and in the dark were related to the differentiation of buds in cucumber callus cultures. Red and green lights inhibited bud formation, and no third peak was seen. Light quality also affected the biomass of the cultured calluses of the two plants during culture.

Key words: Light quality;Callus culture;Differentiation;Perioxidase;Phenylalanine ammonia lyase;Cucumis sutivis

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Citing This Article：

Wang Weirong, Wang Yongdong, Ouyang Guangcha, Xue Yinglong. Effects of light quality on differentiation and its related enzymes in callus culture of cucumber and tomato. Acta Physiol Sin 1991; 43 (2): (in Chinese with English abstract).