Effects of mycorrhiza (Glomus intraradices), azotobacter (Azotobacter chrocooccum) and vermicompost on yield and essential oil of Basil (Ocimum Basilicum L.) in organic agriculture

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Research Paper 01/04/2015
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Effects of mycorrhiza (Glomus intraradices), azotobacter (Azotobacter chrocooccum) and vermicompost on yield and essential oil of Basil (Ocimum Basilicum L.) in organic agriculture

Fatemeh Shirzadi, Mohammad Reza Ardakani, Hadi Asadirahmani, Ashkan Asgari
Int. J. Biosci.6( 7), 1-6, April 2015.
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Basil is an edible, medicinal and spice plants that containes rich source of essential oil. Basil fresh leaves are consumed as vegetable or use as flavour in foods and drinks. In present study, Biological fertilizers were used to increase yield of basil. Indeed, using biological fertilizers as alternative to chemical fertilizers in organic agriculture is an effective way to protect environment and human society. This study was carried out in an organic farm at research field of Islamic Azad University, Karaj branch in 2011-2012 growing season. Experiment was conducted in a Factorial arrangement based on randomized complete block design with four replications. Three factors include: mycorrhizae (Glomus intraradices), nitrogen-fixing bacteria (Azotobacter chrocooccum) and vermicompost were randomized. Each factors had two levels useage and not use. Analysis variance results indicated that three-way interaction of mycorrhiza, azotobacter and vermicompost led to increase plant traits such as plant height (r<0.05), shoot fresh weight (r<0.01) and dry weight (r<0.05). The treatments also increased essential oil significantly. The highest plant height, fresh and dry weight was associated with that three-way interaction of traetments. Thus, combined use of mycorrhiza, azotobacter and vermicompost have synergistic effect on basil yield and its essential oil.


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