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Information Journal Paper

Title

The Effect of Drought Stress at Different Developmental Stages on Growth and Some Phytochemical Parameters of Nepeta crispa

Pages

  545-561

Abstract

 The phonological stage in which the abotic stress occurs is effective in determining the content of secondary metabolites in medicinal plants. This research deals with the effects of imposing drought stress at different phenological stages on growth and some physiological and phytochemical responses of Nepeta crispa L as a split plot design in Bu-Ali Sina University during 2019. Drought stress at three levels, including mild, moderate, and severe stress (with 80%, 60%, and 40% of field capacity, respectively) has been applied at two phenological stages (seedling establishment stage with 6 true leaves and pre-flowering stages). Results from statistical analysis show that drought stress has had a significant effect on all evaluated growth traits and phytochemical parameters of the plant including proline content, relative water content (RWC) of leaves, total phenols, flavonoids, tannins, antioxidant activities, and phenolic Acids. Imposing drought stress at both phenological stages reduce plant growth, decreasing chlorophyll content and RWC. However, production of phenolic compounds and phenolic Acids (including rosmarinic, chlorogenic and caffeic acids) at high level and accumulation of proline through imposing drought stress reduce the adverse effects of stress and increase the medicinal properties of the Nepeta crispa. Also, the effect of drought stress imposing at pre-flowering stage has been greater than its application in the seedling establishment stage. According to the results, it is recommended to impose moderate drought stress at pre-flowering stage to increase biosynthesis of some phytochemical compounds in Nepeta crispa medicinal plants.

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    APA: Copy

    SAYYARI, MOHAMMAD, Moradi Farsa, Monire, & AZIZI, ALI. (2022). The Effect of Drought Stress at Different Developmental Stages on Growth and Some Phytochemical Parameters of Nepeta crispa. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 24(2 ), 545-561. SID. https://sid.ir/paper/1058581/en

    Vancouver: Copy

    SAYYARI MOHAMMAD, Moradi Farsa Monire, AZIZI ALI. The Effect of Drought Stress at Different Developmental Stages on Growth and Some Phytochemical Parameters of Nepeta crispa. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2022;24(2 ):545-561. Available from: https://sid.ir/paper/1058581/en

    IEEE: Copy

    MOHAMMAD SAYYARI, Monire Moradi Farsa, and ALI AZIZI, “The Effect of Drought Stress at Different Developmental Stages on Growth and Some Phytochemical Parameters of Nepeta crispa,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 24, no. 2 , pp. 545–561, 2022, [Online]. Available: https://sid.ir/paper/1058581/en

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