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http://dx.doi.org/10.5532/KJAFM.2014.16.4.343

A Simple Emergence Model of Southern Type Garlic Based on Temperature  

Moon, K.H. (Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, RDA)
Choi, K.S. (Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, RDA)
Son, I.C. (Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, RDA)
Song, E.Y. (Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, RDA)
Oh, S. (Agricultural Research Center for Climate Change, National Institute of Horticultural & Herbal Science, RDA)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.16, no.4, 2014 , pp. 343-348 More about this Journal
Abstract
We developed a simple model to predict emergence time and emergence rate of southern type garlic using the daily mean temperature. Emergence rate of garlic was decreased and emergence time was delayed on higher temperature than optimum temperature of $12.7^{\circ}C$. In the model, firstly daily emergence rate was calculated using a beta function to input daily mean temperature, then the percentage of garlic emergence was calculated using a nonlinear model with accumulated emergence rate. The model was good to describe the experimental data of growth cabinet. Also it can explain well the experimental data using temperature gradient tunnel, designed for verification of model performance. But there are 5 days of deviation between estimated and measured time of garlic emergence on the field experiment. More research is needed to develop an advanced model considering other factors, such as soil moisture.
Keywords
Southern type garlic; Emergence model of garlic; Daily mean temperature; Garlic phenology;
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Times Cited By KSCI : 2  (Citation Analysis)
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