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The Evaluation of Exogenous Application of Salicylic Acid on Physiological Characteristics, Proline and Essential Oil Content of Chamomile ( Matricaria chamomilla L.) under Normal and Heat Stress Conditions

Author

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  • Mojtaba Ghasemi

    (Department of Research and Development, Sea Bioprospecting Co., Ltd., Tangestan Growth and Technology Incubator, Persian Gulf Science and Technology Park, Bushehr 7515797414, Bushehr, Iran
    Department of Plant Breeding and Biotechnology, Faculty of Crop Science, Sari Agricultural Sciences and Natural Resources University, Sari 578, Mazandaran, Iran)

  • Mohammad Modarresi

    (Department of Plant Breeding, Faculty of Agriculture and Natural Resources, Persian Gulf University, Bushehr 7561158818, Bushehr, Iran)

  • Nadali Babaeian Jelodar

    (Department of Plant Breeding and Biotechnology, Faculty of Crop Science, Sari Agricultural Sciences and Natural Resources University, Sari 578, Mazandaran, Iran)

  • Nadali Bagheri

    (Department of Plant Breeding and Biotechnology, Faculty of Crop Science, Sari Agricultural Sciences and Natural Resources University, Sari 578, Mazandaran, Iran)

  • Abbas Jamali

    (The Persian Gulf Research and Study Institute, Persian Gulf University, Bushehr 7561158818, Bushehr, Iran)

Abstract

The objective of this study was to investigate the effect of exogenous application of salicylic acid concentrations on the physiological and biochemical traits and essential oil content of chamomile under normal and heat stress conditions as induced by delayed sowing. The experiments were conducted during 2011–2012 as a factorial using a randomized complete block design with three replications, in a very hot region. The factors included five salicylic acid concentrations (0 (control), 1, 10, 25 and 100 mg·L −1 ) and three chamomile cultivars (Bushehr, Bona, Bodegold). The seeds of chamomile were sown on two different sowing dates including an optimum planting date and a late planting date. The physiological traits (plant height, capitol diameter, 1000 grain weight, fresh and dried flower weight), total chlorophyll, proline and essential oil content were investigated. Analysis of variance showed that the effect of the environmental conditions (normal and heat stress) was significant on all physiological and biochemical traits with the exception of the essential oil content. The heat stress decreased physiological traits and total chlorophyll in comparison with the normal conditions but it had no significant effect on the essential oil content. Findings indicated that the application of exogenous salicylic acid improves essential oil content in chamomile cultivars under environmental heat stress conditions.

Suggested Citation

  • Mojtaba Ghasemi & Mohammad Modarresi & Nadali Babaeian Jelodar & Nadali Bagheri & Abbas Jamali, 2016. "The Evaluation of Exogenous Application of Salicylic Acid on Physiological Characteristics, Proline and Essential Oil Content of Chamomile ( Matricaria chamomilla L.) under Normal and Heat Stress Cond," Agriculture, MDPI, vol. 6(3), pages 1-15, July.
    • Handle: RePEc:gam:jagris:v:6:y:2016:i:3:p:31-:d:74671
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