Effect of proline and salicylic acid on morphological and phytochemical characteristics of Stevia rebaudiana (Bert. )

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Rastgoo Arefeh; Sanikhani Mohsen; KHEIRI AZIZOLLAH; AELAEI MITRA

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Journal: Iranian Journal of Horticultural Science Year:2019 | Volume:50 | Issue:1 Page(s): 209-219

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Title

Effect of proline and salicylic acid on morphological and phytochemical characteristics of Stevia rebaudiana (Bert. )

Author(s)

Rastgoo Arefeh | Sanikhani Mohsen | KHEIRI AZIZOLLAH | AELAEI MITRA | Issue Writer Certificate

Keywords

Active substancesQ1

amino acidQ2

chlorophyllQ2

salicylic acidQ1

yieldQ1

Abstract

To study the effect of foliar application of proline and salicylic acid on growth, morphological and phytochemical traits of Stevia, an experiment based on completely randomized block design in a factorial arrangement was conducted with three replications in the University of Zanjan. Foliar applications of proline in three levels (0, 1, 2 mM) as well as salicylic acid (0, 0. 3, 0. 6 mM) were applied after establishment of transplants in the field three times with 10 days intervals. Factors including leaf area, leaf fresh and dry weight, total fresh and dry weight, chlorophyll a, b and total chlorophyll, carotenoid, total phenol, total flavonoid and antioxidant activity were studied. Results showed that salicylic acid and proline applications significantly influenced above mentioned traits. The highest average leaf area/ plant (5949. 39 cm2), leaf fresh (787. 17 g/m2) and dry leaf weight (228. 5 g/m2), total fresh (1339. 23 g/m2) and total dry weight (327. 52 g/m2) were recorded in 1 mM proline in combination with 0. 3 mM salicylic acid. Solely applications of proline at 2 mM and salicylic acid at 0. 6 mM enhanced chlorophyll a, b, carotenoid and total flavonoid contents. The highest average total chlorophyll (5. 23 mg/g fw) observed in 2 mM proline in combination with 0. 3 mM salicylic acid and highest phenol (19. 94 mg/g dw) recorded in 1 mM proline in combination with 0. 6 mM salicylic acid. Collectively, results showed that application of proline and salicylic acid significantly improved vegetative growth and production of Active substances in Stevia rebaudiana.

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APA: Copy

Rastgoo, Arefeh, Sanikhani, Mohsen, KHEIRI, AZIZOLLAH, & AELAEI, MITRA. (2019). Effect of proline and salicylic acid on morphological and phytochemical characteristics of Stevia rebaudiana (Bert. ). IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 50(1 ), 209-219. SID. https://sid.ir/paper/148396/en

Vancouver: Copy

Rastgoo Arefeh, Sanikhani Mohsen, KHEIRI AZIZOLLAH, AELAEI MITRA. Effect of proline and salicylic acid on morphological and phytochemical characteristics of Stevia rebaudiana (Bert. ). IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;50(1 ):209-219. Available from: https://sid.ir/paper/148396/en

IEEE: Copy

Arefeh Rastgoo, Mohsen Sanikhani, AZIZOLLAH KHEIRI, and MITRA AELAEI, “Effect of proline and salicylic acid on morphological and phytochemical characteristics of Stevia rebaudiana (Bert. ),” IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 50, no. 1 , pp. 209–219, 2019, [Online]. Available: https://sid.ir/paper/148396/en

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