The effects of irrigation period and humic acid on morpho-physiological and biochemical traits of thyme (Thymus vulgaris)

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GORGINI SHABANKAREH HOSSEIN; Khorasaninejad Sara; ABBASI MOHAMMADREZA; tabasi alireza

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Journal: JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY Year:2018 | Volume:13 | Issue:3 (51) Page(s): 67-82

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Title

The effects of irrigation period and humic acid on morpho-physiological and biochemical traits of thyme (Thymus vulgaris)

Author(s)

GORGINI SHABANKAREH HOSSEIN | Khorasaninejad Sara | ABBASI MOHAMMADREZA | tabasi alireza | Issue Writer Certificate

Keywords

Antioxidant activityQ2

Essential oilQ2

Phenolic compoundsQ2

ProlineQ3

ThymolQ1

Abstract

In order to study the effects of irrigation period and humic acid on some morpho-physiological and biochemical characteristics of Thymus vulgaris L., an experiment was conducted as split plots based on randomized complete block design with three replications at research farm of Baharan University of Gorgan, during growing season of 2016-2017. Treatments were four levels of irrigation periods (every 3, 6, 9 days and everyday as control) and humic acid at three levels (0, 150, and 300 mg/l). Results showed that irrigation periods increased Phenolic compounds, Antioxidant activity, Proline, and soluble carbohydrate. The effect of the longest irrigation period (every 9 days) increased 1. 07, 0. 016, 14. 53, 1. 87 and 3. 82 percent of Proline, Phenolic compounds, Antioxidant activity and soluble carbohydrate, respectively. Also the highest concentration of Essential oils was observed with the every 6 days irrigation treatment showing 15% difference as compare with the control. On the other hand irrigation period decreased significantly shoot height and wet and dry weight. Moreover, humic acid had a significant effect on all characteristics under study. Also, interaction effect of humic acid and irrigation periods had significant effects on all traits except for Phenolic compounds. Foliar application with 150 mg/l humic acid and every 9-day irrigation resulted in the maximum increase in Thymol and antioxidant activities. The highest level of Essential oils was achieved in 300 mg/l humic acid and every 6-day irrigation period. Maximum Proline content was also recorded under 300 mg/l humic acid and every 9-day irrigation period. Generally, findings suggested application of 300 mg/l humic acid and every 9-day irrigation as economically the best treatment since under humic acid application and less irrigation water the same yield is achieved as under high water consumption.

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APA: Copy

GORGINI SHABANKAREH, HOSSEIN, Khorasaninejad, Sara, ABBASI, MOHAMMADREZA, & tabasi, alireza. (2018). The effects of irrigation period and humic acid on morpho-physiological and biochemical traits of thyme (Thymus vulgaris). JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, 13(3 (51) ), 67-82. SID. https://sid.ir/paper/185673/en

Vancouver: Copy

GORGINI SHABANKAREH HOSSEIN, Khorasaninejad Sara, ABBASI MOHAMMADREZA, tabasi alireza. The effects of irrigation period and humic acid on morpho-physiological and biochemical traits of thyme (Thymus vulgaris). JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY[Internet]. 2018;13(3 (51) ):67-82. Available from: https://sid.ir/paper/185673/en

IEEE: Copy

HOSSEIN GORGINI SHABANKAREH, Sara Khorasaninejad, MOHAMMADREZA ABBASI, and alireza tabasi, “The effects of irrigation period and humic acid on morpho-physiological and biochemical traits of thyme (Thymus vulgaris),” JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, vol. 13, no. 3 (51) , pp. 67–82, 2018, [Online]. Available: https://sid.ir/paper/185673/en

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