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Study on the Physiological and Biochemical Characteristics of Pepper after Inoculation the Phytophthora capsici

LI Da-wei

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Abstract

In order to study the physiological and biochemical characteristics of pepper after inoculation the Phytophthora capsici,the changes of activity about phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase were mensurated.The results showed that the changes of these protective enzymes'activities were remarkable difference between different resistance pepper lines.There was a positive correlation between the activities of phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase and the pepper resistance to Phytophthora capsici.

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What this paper is about

In order to study the physiological and biochemical characteristics of pepper after inoculation the Phytophthora capsici,the changes of activity about phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase were mensurated.The results showed that the changes of these protective enzymes'activities were remarkable difference between different resistance pepper lines.There was a positive correlation between the activities of phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase and the pepper resistance to Phytophthora capsici.

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Available abstract

In order to study the physiological and biochemical characteristics of pepper after inoculation the Phytophthora capsici,the changes of activity about phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase were mensurated.The results showed that the changes of these protective enzymes'activities were remarkable difference between different resistance pepper lines.There was a positive correlation between the activities of phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),β-1,3-Glucanase and chitinase and the pepper resistance to Phytophthora capsici.

Key concepts: Polyphenol oxidase, Phytophthora capsici, Phenylalanine ammonia-lyase, Chitinase, Pepper, Inoculation, Catechol oxidase, Horticulture

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