Abscisic acid enhances resistance to Alternaria solani in tomato seedlings.

  title={Abscisic acid enhances resistance to Alternaria solani in tomato seedlings.},
  author={Weiwei Song and Xinrong Ma and Hong Tan and Jinyan Zhou},
  journal={Plant physiology and biochemistry : PPB},
  volume={49 7},
The plant hormone abscisic acid (ABA) is an important regulator in many aspects of plant growth and development, as well as stress resistance. Here, we investigated the effects of exogenous ABA application on the interaction between tomato (Solanum lycopersicon L.) and Alternaria solani (early blight). Foliar spraying of 7.58 μM ABA was effective in reducing disease severity in tomato plants. Previously, increased activities of phenylalanine ammonia-lyase (PAL), polyphenol oxidase (PPO) and… CONTINUE READING
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