Light quality affects incidence of powdery mildew, expression of defence-related genes and associated metabolism in cucumber plants

@article{Wang2009LightQA,
  title={Light quality affects incidence of powdery mildew, expression of defence-related genes and associated metabolism in cucumber plants},
  author={Hong Wang and Yu Ping Jiang and Hai Jing Yu and Xiao Jian Xia and Kai Shi and Yan Zhou and Jing Quan Yu},
  journal={European Journal of Plant Pathology},
  year={2009},
  volume={127},
  pages={125-135}
}
To determine whether light quality affects the incidence of disease, we exposed cucumber (Cucumis sativus L. cv. Jinyan No. 4) plants at the 4-leaf stage to white and other monochromatic lights and tested the effects on plant response to Sphaerotheca fuliginea, defence-related gene expression and metabolic changes. Exposure to red light resulted in higher levels of H2O2 and salicylic acid (SA), and stronger expression of defence genes such as PR-1 than exposure to white or other monochromatic… CONTINUE READING

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