Physiological response of sesame (Sesamum indicum L. ) to application of chitosan and magnesium-nano fertilizers under irrigation cut-off in a sustainable agriculture system

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Khordadi Varamin Jaber; Fanoodi Farzad; Masuod Sinaki Jafar; REZVAN SHAHRAM; DAMAVANDI ALI

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Journal: IRANIAN JOURNAL OF PLANT PHYSIOLOGY Year:2019 | Volume:9 | Issue:1 Page(s): 2629-2639

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Title

Physiological response of sesame (Sesamum indicum L. ) to application of chitosan and magnesium-nano fertilizers under irrigation cut-off in a sustainable agriculture system

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Keywords

BBCH scaleQ2

drought stressQ2

nutrient functionQ1

osmotic adjustmentQ1

photosynthetic pigmentsQ1

Abstract

In order to investigate chitosan and magnesium-nano fertilizers’ impact on photosynthetic pigments, protein, proline, and soluble sugar contents of sesame under irrigation cut-off treatment, a split-factorial experiment was conducted based on randomized blocks with three replications. Irrigation cut-off based on BBCH scale as the main factor (normal irrigation and irrigation cut-off in 6 and 75 BBCH stages). Secondary factors as subplot included Oltan and Dashtestan-2 sesame cultivars, and foliar application of Mg-nano fertilizer (application and non-application) and chitosan (control, foliar application of 4. 8 g. l-1 in 65 BBCH and 6. 4 g. l-1 in 75 BBCH stages). Based on the results, severe drought stress (irrigation up to 65 BBCH) resulted in reducing the mean of chlorophyll a, b, and total compared to the control treatment. Chitosan foliar application yielded more desirable results compared to those of Mg-nano fertilizer and caused an increase in the mean traits of chlorophyll a, b, total, carotenoid, protein, proline, and soluble sugar. In addition, irrigation up to 65 BBCH (severe drought stress) and non-application of nanofertilizer led to a decrease in chlorophyll content and physiological damage. Based on the findings, chitosan biopolymer, as a natural substance, as well as coapplication of these two can be an appropriate action in order to decrease the plant damage under drought stress regarding the role of Mg in chlorophyll structure and a large number of the plant vital enzymes.

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APA: Copy

Khordadi Varamin, Jaber, Fanoodi, Farzad, Masuod Sinaki, Jafar, REZVAN, SHAHRAM, & DAMAVANDI, ALI. (2019). Physiological response of sesame (Sesamum indicum L. ) to application of chitosan and magnesium-nano fertilizers under irrigation cut-off in a sustainable agriculture system. IRANIAN JOURNAL OF PLANT PHYSIOLOGY, 9(1 ), 2629-2639. SID. https://sid.ir/paper/259013/en

Vancouver: Copy

Khordadi Varamin Jaber, Fanoodi Farzad, Masuod Sinaki Jafar, REZVAN SHAHRAM, DAMAVANDI ALI. Physiological response of sesame (Sesamum indicum L. ) to application of chitosan and magnesium-nano fertilizers under irrigation cut-off in a sustainable agriculture system. IRANIAN JOURNAL OF PLANT PHYSIOLOGY[Internet]. 2019;9(1 ):2629-2639. Available from: https://sid.ir/paper/259013/en

IEEE: Copy

Jaber Khordadi Varamin, Farzad Fanoodi, Jafar Masuod Sinaki, SHAHRAM REZVAN, and ALI DAMAVANDI, “Physiological response of sesame (Sesamum indicum L. ) to application of chitosan and magnesium-nano fertilizers under irrigation cut-off in a sustainable agriculture system,” IRANIAN JOURNAL OF PLANT PHYSIOLOGY, vol. 9, no. 1 , pp. 2629–2639, 2019, [Online]. Available: https://sid.ir/paper/259013/en

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