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Title: Effect of Soil Fertilizing Methods on Cholorogenic Acid Contents of Globe Artichoke (Cynara scolymus L.)
Authors: Esfandiar Fateh; Mohammad Reza Chaichi; Ebrahim Sharifi Ashoorabadi; Ali Ashraf Jafariand Asghar Rahimi
Aff: Department of Agronomy and Plant Breeding, Agriculture College, Vali-E-Asr University, Rafsanjan, Iran. Isfahan, Iran
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Keywords: Artichoke (Cynara scolymus L.); Integrated; Chemical and Organic Fertilizer; Cholorogenic Acid Contents
Abstract:An experiment was conducted to evaluate the effects of different soil fertilizing treatments on the cholorogenic acid content of globe artichoke. The experiment was done over the two growing seasons of 2007 and 2008 at Tehran University. sIt warandomized complete block design with four replicates including five levels of chemical fertilizer, four levels of manure, five levels of a mixture (in different ratios) of chemical fertilizer and manure (integrated fertilizer), and a control without any fertilizer. Results showed that the highest cholorogenic acid content was obtained from the treatment of 40 tones.ha-1 cattle manure. It was found that leaves had higher cholorogenic acid contents compared to bracts. The highest (430 mg/kg) and lowest (238 mg/kg) cholorogenic acid contents were obtained from applications of manure fertilizer treatments. It was also concluded that organic and integrated fertilizing systems produced the most cholorogenic acid content in leaves and bracts.