International Journal of Advanced Biological and Biomedical Research

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37
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Effects Drought, Cytokinin and GA3 on Seedling Growth of Basil (Ocimum basilicum)

Document Type : Original Article

Authors

Abbas Bagheri 1
Aminallah Bagherifard 2
Hossein Saborifard 3
Madeh Ahmadi 4
Mohammad Safarpoor 5

1 Department of Natural Resources, Yasuoj University, Yasuoj, Iran

2 Young Researchers Club, Yasuj Branch, Islamic Azad University, Yasuj, Iran

3 Department of Plant Production Faculty of Agriculture Nishabur,Mashhad, Iran.

4 MSC . Department of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan,Iran.

5 MSC.Department Chemistry.Yasuoj University, Yasuoj, Iran

Abstract
Priming is one of the seed enhancement methods that might be resulted in increased seed performance (germination and emergence), seedling growth and plant yield under stress conditions, such as salinity, temperature and drought stress. In order to evaluate the effect of growth hormones on morphology characteristics and essential oil of basil under drought stress condition, a experiment was conducted at plant research center in Islamic Azad University of Gorgan Branch, Iran, in 2011 year. Experiment was factorial conducted based on CRBD design with 3 replicate in greenhouse. Treatments were include 4 levels priming by growth hormones (control, cytokinin  (3%), GA3 (200 ppm) and combinations of hormones for 12 h) and 4 levels of drought stress (D1=100, D2=80, D3=60 and D4=40 percentage of field capacity). Results analysis of variance showed that drought stress had negative significant effects on emergence percentage, morphology characteristics but reduced priming by growth hormones these negative effects. Results of comparing means showed that priming by combinations of hormones had positive significant effects on study factors compared to other seed priming treatments (cytokinin  and GA3 ).

Keywords

Basil
Cytokinin
GA3
Drought stress

Subjects

International Journal of Advanced Biological and Biomedical Research
Volume 2, Issue 4 (2)
March and April 2014
Pages 489-493

  • Receive Date 25 April 2015

Article View 18,916
PDF Download 7,629

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