Physiological and biochemical response of tomato (Lycopersicon esculentum cv. Rio Grande) to foliar application of biostimulant under water deficit stress

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BARZEGAR TAHER; ESFAHANI ZAHRA; GHAHREMANI ZAHRA; Nikbakht Jafar

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2019 | Volume:8 | Issue:29 Page(s): 229-239

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Title

Physiological and biochemical response of tomato (Lycopersicon esculentum cv. Rio Grande) to foliar application of biostimulant under water deficit stress

Author(s)

BARZEGAR TAHER | ESFAHANI ZAHRA | GHAHREMANI ZAHRA | Nikbakht Jafar | Issue Writer Certificate

Keywords

ProlineQ2

Deficit irrigationQ2

MegafolQ1

Stomatal conductivityQ1

Abstract

In order to study the effect of physiological and biochemical responses of tomato cv. Rio Grande to foliar spray of Megafol under water deficit stress, an experiment was carried out in a split plot based on randomized complete block design with three replicates in Research Filed of university of Zanjan as during 2015. Treatments consisted arrangement of three irrigation levels (starting irrigation at 100, 75 and 50% ETc) and 4 levels of Megafol (0, 0. 1, 0. 2 and 0. 3%). The results showed that water deficit stress significantly decreased relative water content, chlorophyll content and Stomatal conductivity, but increased Proline content, electrolyte leakage and catalase (CAT) and peroxidase (POD) enzymes activity. Foliar application of Megafol increased chlorophyll and Proline content, CAT and POD enzymes activity and Stomatal conductivity under water deficit stress and normal irrigation coditions, and decreased electrolyte leakage, that the 0. 2% Megafol treatment had the highest effect. The maximum CAT enzyme activity (0. 087 µ mol H2O2 g-1 FW min-1) was achieved in plants sprayed with Megafol 0. 2% under defici irrigation 50% ETc. According to the results, foliar application of biostimulants can be proposed on tomato under normal and Deficit irrigation.

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APA: Copy

BARZEGAR, TAHER, ESFAHANI, ZAHRA, GHAHREMANI, ZAHRA, & Nikbakht, Jafar. (2019). Physiological and biochemical response of tomato (Lycopersicon esculentum cv. Rio Grande) to foliar application of biostimulant under water deficit stress. JOURNAL OF PLANT PROCESS AND FUNCTION, 8(29 ), 229-239. SID. https://sid.ir/paper/369094/en

Vancouver: Copy

BARZEGAR TAHER, ESFAHANI ZAHRA, GHAHREMANI ZAHRA, Nikbakht Jafar. Physiological and biochemical response of tomato (Lycopersicon esculentum cv. Rio Grande) to foliar application of biostimulant under water deficit stress. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2019;8(29 ):229-239. Available from: https://sid.ir/paper/369094/en

IEEE: Copy

TAHER BARZEGAR, ZAHRA ESFAHANI, ZAHRA GHAHREMANI, and Jafar Nikbakht, “Physiological and biochemical response of tomato (Lycopersicon esculentum cv. Rio Grande) to foliar application of biostimulant under water deficit stress,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 8, no. 29 , pp. 229–239, 2019, [Online]. Available: https://sid.ir/paper/369094/en

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