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Information Journal Paper

Title

EVALUATION OF FREEZING TOLERANCE OF THUJA (THUJA ORIENTALIS L. ) ANDARIZONA CYPRESS (CUPRESSUS ARIZONICA L. ) UNDER CONTROLLED CONDITIONS

Pages

  315-327

Abstract

 Arizona Cypress (Cupressus arizonica L. ) and Thuja (Thuja orientalis L. ) are very important evergreenand mainly used as ornamental trees. This study was carried out in two independent experiments with themain purpose of evaluating of freezing tolerance of Arizona Cypress and Thuja with eight levels oftemperatures (control,-10,-15,-20,-25,-30,-35,-40 ℃ ) in a completely randomized design. PROLINE, ELECTROLYTE LEAKAGEs, SOLUBLE CARBOHYDRATE and RE-GROWTH were measured. Results showed that PROLINE andelectrolyte leakages were increased in both species. RE-GROWTH percentage decreased dramaticaly in bothspecies with decreasing the temperature so that any RE-GROWTH was observed for Thuja and ArizonaCypress in the-30 and-20℃ , respectively. Interactions between SOLUBLE CARBOHYDRATE and temperaturewere not significant for Thuja but decreased significantly in Arizona Cypress. There was a negativesignificant CORRELATION between RE-GROWTH, in Thuja (-0. 895) and Arizona Cypress (-0. 646) withtemperature. According to the results, Arizona Cypress was more susceptible to freezing compared toThuja.

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    APA: Copy

    IGDARI, HAMIDEH, GANJI MOGHADAM, EBRAHIM, & ASGHARZADEH, AHMAD. (2018). EVALUATION OF FREEZING TOLERANCE OF THUJA (THUJA ORIENTALIS L. ) ANDARIZONA CYPRESS (CUPRESSUS ARIZONICA L. ) UNDER CONTROLLED CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 20(2 ), 315-327. SID. https://sid.ir/paper/209398/en

    Vancouver: Copy

    IGDARI HAMIDEH, GANJI MOGHADAM EBRAHIM, ASGHARZADEH AHMAD. EVALUATION OF FREEZING TOLERANCE OF THUJA (THUJA ORIENTALIS L. ) ANDARIZONA CYPRESS (CUPRESSUS ARIZONICA L. ) UNDER CONTROLLED CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;20(2 ):315-327. Available from: https://sid.ir/paper/209398/en

    IEEE: Copy

    HAMIDEH IGDARI, EBRAHIM GANJI MOGHADAM, and AHMAD ASGHARZADEH, “EVALUATION OF FREEZING TOLERANCE OF THUJA (THUJA ORIENTALIS L. ) ANDARIZONA CYPRESS (CUPRESSUS ARIZONICA L. ) UNDER CONTROLLED CONDITIONS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 20, no. 2 , pp. 315–327, 2018, [Online]. Available: https://sid.ir/paper/209398/en

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