Iranian Journal of Horticultural Science

Iranian Journal of Horticultural Science

Evaluation of some morpho-physiological traits of four basil ‎‎(Ocimum basilicum L.) cultivars under water stress conditions

Document Type : Full Paper

Authors
Somayeh Karimi 1
Bahman Zahedi 2
Hassan Mumivand 2
1 Former M. Sc. Student, Faculty of Agriculture, Lorestan University, ‎Khorramabad, Iran ‎
2 Assistant Professor, Faculty of Agriculture, Lorestan University, Khorramabad, Iran ‎
10.22059/ijhs.2019.269897.1541
Abstract
The present study was conducted to evaluate some of the morphological and physiological traits of four basil cultivars under drought stress condition in greenhouse. The experiment was conducted as a factorial based on a completely randomized design. Four commercial basil cultivars (including Iranian green and violet basils, Genovese and Amethyst) were used as the first factor and drought stress at four levels (including irrigation at 100, 85, 70 and 55% FC) was used as second factor. The results showed that drought stress increased root length, but decreased dry weight of the plant. Plant height, leaf area, RWC and transpiration were reduced under drought stress treatments. The rate of membrane stability index increased although the reduction was different among the cultivars. Genovese and Iranian green cultivars showed the highest fresh and dry weights. The highest root dry weight and fresh and dry weights of plant were obtained in Genovese cultivar. Finally, Genovese cultivar showed the highest potential to introduce as tolerant cultivar in order to cultivation in drought condition.
Keywords
Basil
drought stress
morphological traits
physiological parameters‎
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Iranian Journal of Horticultural Science
Volume 51, Issue 1
Spring 2020
Pages 245-253

  • Receive Date 08 December 2018
  • Revise Date 28 January 2019
  • Accept Date 13 February 2019