Volume 13, Issue 63 (vol. 13, no. 63 2024)
2024, 13(63): 93-112 |
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Rezaie Allolo A, Kheiry A, Sani Khani M, Yaghoobi M. Effect of benzyl-adenine and glutamic acid on concentration of elements and morpho-physiological characteristics of one-year and two-year-old Digitalis purpurea L.. Plant Process and Function 2024; 13 (63) : 6
URL: http://jispp.iut.ac.ir/article-1-2061-en.html
URL: http://jispp.iut.ac.ir/article-1-2061-en.html
1- Horticultural Science Department, Faculty of Agriculture, Universit of Zanjan, Zanjan, Iran
2- Horticultural Science Department, Faculty of Agriculture, Universit of Zanjan, Zanjan, Iran ,kheiry@znu.ac.ir
3- Department of Engineering, Faculty of Chemical Engineering, University of Zanjan, Zanjan, Iran
2- Horticultural Science Department, Faculty of Agriculture, Universit of Zanjan, Zanjan, Iran ,
3- Department of Engineering, Faculty of Chemical Engineering, University of Zanjan, Zanjan, Iran
Abstract: (62 Views)
In order to investigate the effect of foliar application of different levels of benzyl-adenine and glutamic acid on the concentration of elements and some physiological characteristics of Digitalis purpurea L. in one-year and two-year-old plants, a factorial experiment in the form of a completely randomized design with three replications was conducted at the University of Zanjan research greenhouse. The treatments consisted of the effect of plant age (one-year plants and two-year old plants) as the main factor and two levels of benzyl-adenine (0.5 and 1 mM) and two levels of glutamic acid (1 and 2 mM) with the control as a subfactor. The results showed that the highest amount of total nitrogen (1.70%), phosphorus (0.08%), and proline (3.86 mg/g) in the one-year-old plants and the highest amount of leaf magnesium (0.64 µg/Kg) and Soluble sugar (63.26 mg/g) were obtained in the two-year-old plants under foliar application of 1 mM benzyl-adenine. The maximum amount of elements potassium (1.90%), calcium (2.92%), and iron (152.21 µg/Kg) was obtained in two-year-old plants treated with 0.5 mM benzyl adenine. The lowest amount of ion leakage index of leaves (16.31%) and the highest amount of relative water content (89.61%) were recorded with foliar application of 2 mM glutamic acid in one-year-old plants, and the highest amount of catalase enzyme activity (154.4 mg/g protein) and peroxidase (1.61 mg/g protein) were obtained by foliar application of 1 mM glutamic acid in the two-year-old plants. The highest leaf fresh weight (123.51 g) and leaf dry weight (47.93 g) were obtained in the one-year-old plants with foliar application of 1 mM glutamic acid. According to the results, the application of different levels of benzyl-adenine and glutamic acid is recommended to improve the absorption of elements and also to improve the morpho-physiological characteristics of the Digitalis purpurea L.
Article number: 6
Type of Study: Research |
Subject:
Plant Growth Regulators
Received: 2024/04/30 | Accepted: 2024/05/28 | Published: 2024/12/24
Received: 2024/04/30 | Accepted: 2024/05/28 | Published: 2024/12/24
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