| To explore the responses and their mechanisms of cherry tomato fruit to different light emitting diode (LED)light-supplementin greenhouse, cherry tomato (Lycopersivon esculentum Mill. hajinlong) was planted in greenhouse with 12h (8:00-20:00) of different LED light-supplement (LED tube and LED SMD, natural light as control). The effects of different light qualities on cherry tomato fruit yield and quality were investigated. The results showed that compared with the control, the fruit number, total product and single fruit weight of cherry tomato of two treatments all increased significantly, and the effect of LED tube was better than LED SMD, these three indexes increased by 48.91%, 94.86% and 48.91% respectively. While the treatment of LED tube improved the quality of cherry tomato significantly, the contents of
VC, soluble protein,free amino acid, soluble sugar and sucrose had been obviously enhanced in the LED tube treatment. The lycopene, anthocyanins, flavonoids and soluble phenolic content were the highest, under the LED tube treatment. |
