Growth and chlorogenic acid content of artichoke (Cynara scolymus L.) affected by bio and chemical fertilizer
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 11, Issue 5
Abstract
Considering the importance of artichoke plant in the pharmaceutical industry and due to the negative effect of excessive consumption of chemical fertilizers on human health, this study was conducted to assess the effect of bio and chemical fertilizer on morphological traits and the leaves chlorogenic acid content of artichoke in Isfahan, Iran during 2014 -2016. A factorial experiment in the base of randomized complete block design with three replications was used. The factors were chemical fertilizers in three levels of control, 50% chemical fertilizer (100 and 50 kg ha-1 NP), 100% chemical fertilizer (200 and100 kg ha-1 NP) and bio-fertilizer in four levels of non-inoculated, inoculated seeds with Nitroxin (include Azotobacter, Azospirillium and Pseudomonas), inoculated seeds with Barvar 2 (Pantoea agglomerans-p5 and Pseudomonas putida-p13) and co-inoculation seeds with Nitroxin and Barvar 2. The traits were measured at the flowering stage. The highest chlorogenic acid amount was obtained from the residual effect of 50% chemical fertilizer+ 50 kg ha-1 supplementary nitrogentreatment. Integrated treatments showed the maximum plant height and leaf length in artichoke plant. Among chemical fertilizer levels, the highest number of leaf per plant, plant fresh weight, plant dry weight and number of capitol per plant were recorded by residual effect of 100% chemical fertilizer+ 100 kg ha-1 supplementary nitrogen. Co-inoculation of Nitroxin and Barvar 2 produced the highest plant height, number of leaf per plant, leaf length, plant fresh weight, plant dry weight and number of capitol per plant among bio-fertilizer levels. Totally, the application of 50 % chemical fertilizer along with Nitroxin+ Barvar 2 is suggested for improving the chlorogenic acid content and morphological traits of artichoke.
Authors and Affiliations
Marziyeh Allahdadi, Yaghoub Raei
Keywords
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