Effect of Shadow and Different Levels of Nitrogen on Growth and Essential Oil Content of Peppermint

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GOLCHIN AHMAD; Farahmand Mofard Faezeh; KHADEM MOGHADAM IGDELOU NADER

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2020 | Volume:22 | Issue:1 Page(s): 103-117

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Information Journal Paper

Title

Effect of Shadow and Different Levels of Nitrogen on Growth and Essential Oil Content of Peppermint

Author(s)

GOLCHIN AHMAD | Farahmand Mofard Faezeh | KHADEM MOGHADAM IGDELOU NADER | Issue Writer Certificate

Keywords

ChlorophyllQ2

dry weightQ1

leaf areaQ2

lightQ3

ureaQ2

Abstract

Peppermint is an important medicinal and aromatic plant, whose content varies from one region to another, not to mention as a function of fertilization, shadow, irrigation, and photoperiod. In order to study the effect of different levels of shadow and nitrogen on growth and oil performance of this plant, a factorial experiment has been conducted using a completely randomized design with three replications in the Faculty of Agriculture, University of Zanjan during the 2014-2015 cropping season. The experimental factors are shadow factor in four levels (S0: without shadow, S25: 25%, S50: 50%, and S75: 75% shadow) and nitrogen factor as urea in four levels (N1: without nitrogen, N2: 60, N3: 120, and N4: 180 mg N/kg). Results show that the highest number of leaves per plant (936), leaf surface area (1688mm2), Chlorophyll index (51. 32), essential oil content (2. 455%), and essential oil yield (0. 37 g/box) have been obtained from the S25N3 treatment. The highest shoot dry weight belongs to S50N4 and S25N3 treatment with an 8. 36% gap to the second place. The highest leaf dry weight has been observed in S25N3 (11. 55 g/box). Treatments applied to plant height and the numbers of branches have not been significantly affected; therefore, to obtain the highest concentration and performance of essential oil in peppermint, as well as to increase the number of leaves per plant and leaf surface area for marketable and edible consumption, the use of 25% shadow and the application of 120 mg/kg nitrogen are recommended.

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APA: Copy

GOLCHIN, AHMAD, Farahmand Mofard, Faezeh, & KHADEM MOGHADAM IGDELOU, NADER. (2020). Effect of Shadow and Different Levels of Nitrogen on Growth and Essential Oil Content of Peppermint. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 22(1 ), 103-117. SID. https://sid.ir/paper/209251/en

Vancouver: Copy

GOLCHIN AHMAD, Farahmand Mofard Faezeh, KHADEM MOGHADAM IGDELOU NADER. Effect of Shadow and Different Levels of Nitrogen on Growth and Essential Oil Content of Peppermint. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2020;22(1 ):103-117. Available from: https://sid.ir/paper/209251/en

IEEE: Copy

AHMAD GOLCHIN, Faezeh Farahmand Mofard, and NADER KHADEM MOGHADAM IGDELOU, “Effect of Shadow and Different Levels of Nitrogen on Growth and Essential Oil Content of Peppermint,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 22, no. 1 , pp. 103–117, 2020, [Online]. Available: https://sid.ir/paper/209251/en

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