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Effects of Chitosan on the Growth Responses of Kentucky Bluegrass (Poa pratensis L.)  

Yoon, Ok-Soon (Dept. of Environmental Science Keimyung University)
Kim, Kwang-Sik (Dept. of Well Being Horticultre & Maintenance of Golf college, Keimyung College)
Publication Information
Asian Journal of Turfgrass Science / v.21, no.2, 2007 , pp. 163-175 More about this Journal
Abstract
This study was initiated to investigate the effect of chitosan on Kentucky bluegrass growth. Chitosan was applied rates of 300, 500, and 800 times dilution at ten-day intervals after transplanting. We observed such growth characteristics asleaf length, root length, numbers of leaves, fresh weight and dry weight, and chlorophyll content. Treatment of 300 X diluted chitosan resulted in the longest leaf length of 26.2cm comparing with the 17.1cm average leaf length of control. Leaf numbers were 21.4 and 31.7 for the control and the 500 X dilution treatment. The root length in control was 16.8cm while the treatment of 500 X diluted chitosan increased root length to 27.4cm. Chlorophyll content resulted 19.9mg/$100cm^2$ for the control and 25.5mg/$100cm^2$ for the treatment of 300 X diluted chitosan. In general, we found that the treatment of 500 X diluted chitosan resulted higher leaf number, chlorophyll content, fresh and dry weight.
Keywords
chitosan; chlorophyll content; leaf length; root length;
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Times Cited By KSCI : 1  (Citation Analysis)
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