The effect of methanol and ethanol foliar application on peppermint morpho-physiological traits

Subject Areas : Agroecology Journal

Hassan Nourafcan ¹ , Zahra Kalantari ²

1 - Young Researchers and Elite Club Miyaneh Branch Islamic Azad University Miyaneh, Iran
2 - Horticultural Science Department Miyaneh Branch Islamic Azad University Miyaneh Iran

Received: 2016-08-15 Accepted : 2016-12-29 Published : 2017-01-20

Keywords: o carbon dioxide, o foliar nutrition, o hydro-alcohol, o menthol, o sustainable agriculture,

Abstract :

Using of substances such as ethanol and methanol can be considered as a way to improve plants yield helping carbon dioxide fixation increment. The effect of methanol and ethanol spraying on growth and essential oils of peppermint has been studied in field conditions based on randomized complete block design with 10 treatments including spraying with 10, 20, 30 and 40% methanol and ethanol, distilled water and no spraying.There was an enhancingeffect of ethanol and methanol spraying on most of studied traits.Methanol had positive effect on leaf number, longest lateral branch length and leaf width. Also, ethanol increased essential oils content, shoot fresh and dry weight and lateral shoot number. In general, the best treatments effecting on plant traits were ethanol 20 and 30% and methanol 10 and 30%. The highest essential oils content was observed at 10% of methanol 10 – 30% of ethanol. To foliar improvement, 30% of methanol was the most suitable treatment. Therefore,with economic and availability considerations, methanol would be recommendable formore essential oils contentachievement. Also, for the best peppermint business performance, 30% methanol could be applicable.

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