John Chelal

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A model describing an early blight epidemic and the growth dynamics of tomato interacting together is developed. The model is formulated as a set of differential equations for the rate of change in the amount of healthy H, diseased Y and defoliated D area in the disease situation, and healthy H DF and defoliated D DF in the disease-free situation. Model(More)
A model simulating the progress of powdery mildew coupled to the growth dynamics of tomato, with a time step of 1 day, is developed. The model is formulated as a set of differential equations for the rate of change in the amount of healthy, diseased and defoliated leaf area of a diseased plant relative to that of a healthy crop. The main assumption of the(More)
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