Evaluation of common purslane (Portulaca oleracea) physiological changes, seed and oil yield in response to salicylic and abscisic acids under water deficit conditions

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Panahyan kivi Mehdi; ALAMI MILANI MORTEZA; Abbasi Abazr

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Journal: Iranian Journal of Field Crop Science Year:2020 | Volume:51 | Issue:2 Page(s): 49-61

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Title

Evaluation of common purslane (Portulaca oleracea) physiological changes, seed and oil yield in response to salicylic and abscisic acids under water deficit conditions

Author(s)

Panahyan kivi Mehdi | ALAMI MILANI MORTEZA | Abbasi Abazr | Issue Writer Certificate

Keywords

Anti-oxidant enzymesQ2

drought stressQ2

growth regulatorsQ2

oil yieldQ2

pursalneQ2

Abstract

To evaluate the physiological changes and oil yield of common purslane in response to water limitation and foliar application of salicylic and abscisic acids, field experiment was carried out as split-plot based on randomized complete block design with three replications in 2018. Treatments were four levels of water supply (irrigation after 70, 100, 130 and 160 mm evaporation from class A pan) and three levels of foliar application consisted of control (foliar application of water), foliar application of salicylic acid (1 μ molar) and foliar application of abscisic acid (50 μ molar). Irrigation and foliar application treatments were allocated to main and sub plots, respectively. Decreasing water availability resulted in decreasing chlorophyll content (34. 2%); however, proline content of leaves enhanced under limited irrigation conditions. Mean leaf chlorophyll content significantly enhanced by salicylic acid application (9. 6%) and decreased with foliar application of abscisic acid (5. 4%), compared to control. Decreasing water supply led to reduction in Anti-oxidant enzymes activity and grain yield. Foliar application of salicylic and abscisic acids caused significant increase in Anti-oxidant enzymes activity and grain yield. Oil percentage in the grains of purslane increased (16. 6%) as a result of water deficit, but grain oil yield decreased (70. 1%) with increasing irrigation intervals. oil yield was significantly enhanced by foliar application of salicylic and abscisic acids. There was no significant difference between the effects of salicylic and abscisic acids foliar application on the most traits except chlorophyll index. Therefore, regarding to beneficial effects of salicylic and abscisic acids on grain and oil yield of pursalane, foliar application of salicylic and abscisic acids are recommended for the study area and the similar regions. This would become more important under conditions where water availability is limited.

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APA: Copy

Panahyan kivi, Mehdi, ALAMI MILANI, MORTEZA, & Abbasi, Abazr. (2020). Evaluation of common purslane (Portulaca oleracea) physiological changes, seed and oil yield in response to salicylic and abscisic acids under water deficit conditions. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 51(2 ), 49-61. SID. https://sid.ir/paper/402173/en

Vancouver: Copy

Panahyan kivi Mehdi, ALAMI MILANI MORTEZA, Abbasi Abazr. Evaluation of common purslane (Portulaca oleracea) physiological changes, seed and oil yield in response to salicylic and abscisic acids under water deficit conditions. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2020;51(2 ):49-61. Available from: https://sid.ir/paper/402173/en

IEEE: Copy

Mehdi Panahyan kivi, MORTEZA ALAMI MILANI, and Abazr Abbasi, “Evaluation of common purslane (Portulaca oleracea) physiological changes, seed and oil yield in response to salicylic and abscisic acids under water deficit conditions,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 51, no. 2 , pp. 49–61, 2020, [Online]. Available: https://sid.ir/paper/402173/en

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