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Effect of inoculation with arbuscular mycorrhizal fungi on growth, nutrient uptake and curcumin production of turmeric (Curcuma longa L.)

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DOI: 10.4236/as.2013.42011    5,033 Downloads   8,756 Views Citations

ABSTRACT

Profitable turmeric (Curcuma longa L.) production requires adequate nutrients. We have investigated the effect of inoculation with arbus cular mycorrhizal fungi (AMF) on growth, nutrient uptake, yield and curcumin production of turmeric under field and glasshouse conditions. Although AMF inoculation slightly increased plant height, leaf number and shoot N content, no statistical differences were observed in vegetative growth parameters, biomass production, nutrient uptake and curcumin content compared to control plants under field conditions. It was difficult to determine the exact effect of inoculated AMF on turmeric growth because of indigenous AMF. On the other hand, turmeric showed better response to AMF inoculation under greenhouse conditions. AMF inoculation resulted in higher biomass production and nutrient uptake of turmeric. Moreover the concen tration of curcumin, contained in the rhizome of turmeric, increased in AMF treatment. These results indicate that AMF inoculation has beneficial effects on turmeric growth and curcumin production. AMF inoculation to turmeric field would be effective when indigenous soil populations of AMF are low or native AMF are no longer effective.


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Yamawaki, K. , Matsumura, A. , Hattori, R. , Tarui, A. , Hossain, M. , Ohashi, Y. and Daimon, H. (2013) Effect of inoculation with arbuscular mycorrhizal fungi on growth, nutrient uptake and curcumin production of turmeric (Curcuma longa L.). Agricultural Sciences, 4, 66-71. doi: 10.4236/as.2013.42011.

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