Effects of Foliar Application of Salicylic Acid and Potassium Nitrate on Chlorophyll Content, Electrolyte Leakage and Daughter Corm Growth of Saffron

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Jabbari Mani; KHAYYAT MEHDI; FALLAHI HAMID REZA; SAMADZADEH ALIREZA

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Journal: JOURNAL OF SAFFRON RESEARCH Year:2018 | Volume:6 | Issue:1 Page(s): 27-49

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Title

Effects of Foliar Application of Salicylic Acid and Potassium Nitrate on Chlorophyll Content, Electrolyte Leakage and Daughter Corm Growth of Saffron

Author(s)

Jabbari Mani | KHAYYAT MEHDI | FALLAHI HAMID REZA | SAMADZADEH ALIREZA | Issue Writer Certificate

Keywords

Chlorophyll contentQ2

Corm diameterQ2

Electrolyte leakageQ1

Environmental stressesQ2

Medicinal plantQ1

Abstract

Cold stress which occurs naturally during vegetative growth of saffron as a Medicinal plant which it can significantly affect its growth and flowering stage. Foliar application of phytohormones and nutrients can improve its tolerance to environmental stress. In order to evaluate the role of salicylic acid and potassium nitrate as foliar application on saffron growth, a two years study during 2014-2015 and 2015-2016) was carried out based on a randomized complete block design with four replications at Sarayan Faculty of Agriculture (University of Birjand). Different levels of salicylic acid (0. 5, 1 and 2 mM) and potassium nitrate (250, 500 and 1000 mg. l-1) plus control (as distilled water) were sprayed twice during plant growth. Based on the results, the highest chlorophyll a (6. 93 mg. g-1 FW) and chlorophyll a/b ratio were obtained at 1000 mg. l-1 of potassium nitrate, which had no significant difference with 2 mM Salicylic acid. The highest chlorophyll b content was obtained at 0. 5 mM salicylic acid (1. 084 mg. g-1 FW) that showed no significant different with 1 mM. The lowest chlorophyll a (3. 59 mg. g-1 FW) and total chlorophyll (0. 309 mg. g-1 FW) were obtained at control (spraying with distilled water). All levels of salicylic acid and potassium nitrate reduced the Electrolyte leakage percentage, so that the highest and the lowest values were observed at control (34. 1%) and 1 mM salicylic acid (14. 4%), respectively. Moreover, the highest amounts of daughter corms fresh weight (3. 9 g), number of leaves (8 leaves. plant-1), and leaf length (33. 81 cm) were related to 2 mM salicylic acid. The treatment of 2 mM salicylic acid and then 1000 mg. l-1 potassium nitrate were the best treatments in terms of Chlorophyll content, vegetative growth parameters and corm growth indices of saffron. Overall, it can be concluded that foliar application of salicylic acid and potassium nitrate are appropriate strategies in saffron cultivation which can reduce the effects of thermal stress (reduce in Electrolyte leakage) and increase daughter corm growth and leaf extension.

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APA: Copy

Jabbari, Mani, KHAYYAT, MEHDI, FALLAHI, HAMID REZA, & SAMADZADEH, ALIREZA. (2018). Effects of Foliar Application of Salicylic Acid and Potassium Nitrate on Chlorophyll Content, Electrolyte Leakage and Daughter Corm Growth of Saffron. JOURNAL OF SAFFRON RESEARCH, 6(1 ), 27-49. SID. https://sid.ir/paper/240442/en

Vancouver: Copy

Jabbari Mani, KHAYYAT MEHDI, FALLAHI HAMID REZA, SAMADZADEH ALIREZA. Effects of Foliar Application of Salicylic Acid and Potassium Nitrate on Chlorophyll Content, Electrolyte Leakage and Daughter Corm Growth of Saffron. JOURNAL OF SAFFRON RESEARCH[Internet]. 2018;6(1 ):27-49. Available from: https://sid.ir/paper/240442/en

IEEE: Copy

Mani Jabbari, MEHDI KHAYYAT, HAMID REZA FALLAHI, and ALIREZA SAMADZADEH, “Effects of Foliar Application of Salicylic Acid and Potassium Nitrate on Chlorophyll Content, Electrolyte Leakage and Daughter Corm Growth of Saffron,” JOURNAL OF SAFFRON RESEARCH, vol. 6, no. 1 , pp. 27–49, 2018, [Online]. Available: https://sid.ir/paper/240442/en

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