Volume 6, Issue 22 (vol.6, no. 22 2018)                   2018, 6(22): 55-62 | Back to browse issues page

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Mahdavian K. Effect of salicylic acid sparay on the leaf ascorbate, proline and quercetin content in ultra-violet stressed Pepper seedlings. Plant Process and Function 2018; 6 (22) :55-62
URL: http://jispp.iut.ac.ir/article-1-780-en.html
Department of Biology, Faculty of Science, Payame Noor University, Tehran 19395-3697, Iran , mahdavian.k@gmail.com
Abstract:   (3095 Views)

The aim of the present study was to investigate the effects of SA on UV-A, UV-B, and UV-C stressed plants. Data showed that SA counteracted the UV harmful effects on pepper. Pepper (Capsicum annuum L.) seedlings sprayed with salicylic acid (SA) and treated with 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 increased contents of ascorbate, dehydro ascorbate, total ascorbate, proline, aldehyde, quercetin, electrolyte leakage and total ethylene. SA treatment moderated ascorbate, dehydro ascorbate, total ascorbate, aldehyde, electrolyte leakage and total ethylene increase in plants treated with UV. The quantity of proline and quercetin in plants that treated with UV and SA were significantly increased. Exogenous application (foliar spray) of SA counteracted the UV effects on pepper.

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Type of Study: Research | Subject: Plant Growth Regulators
Received: 2017/01/25 | Accepted: 2017/09/26 | Published: 2018/01/15

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