The effects of salicylic acid on pigment contents in ultraviolet radiation stressed pepper plants |
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| Authors: | K. Mahdavian K. M. Kalantari M. Ghorbanli M. Torkzade |
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| Affiliation: | (1) Biology Department, Payam noor University of Sirjan, Sirjan, 7816858333, I.R. Iran;(2) International Center for Science, High Technology and Environmental Science, Kerman, 7631133131, I.R. Iran;(3) Biology Department, Faculty of Science, Shahid Bahonar University of Kerman, 7616914111, I.R. Iran;(4) Azad Islamic University of Gorgan, Gorgan, 49165553, I.R. Iran |
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| Abstract: | Pepper (Capsicum annuum L.) plants were sprayed with salicylic acid (SA) and treated with ultraviolet radiation UV-A (320–390 nm), UV-B (312 nm), and UV-C (254 nm) of 6.1, 5.8, and 5.7 W m−2, respectively. UV significantly reduced contents of chlorophyll (Chl) a and b, and carotenoids (Car). SA treatment moderated Chl and Car reduction in plants treated with UV-B and UV-C. The quantity of antocyanins, flavonoids, rutin, and UV-absorbing compounds in plants that were treated with UV-B, UV-C, and SA were significantly increased. Foliar spray of SA counteracted the UV effects on pepper. |
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| Keywords: | anthocyanins Capsicum annuum carotenoids chlorophyll flavonoids rutin UV-absorbing compounds |
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