Abstract

Abstract A physical model of the crop canopy was developed for describing heat and mass transport processes effected by plant characteristics, greenhouse equipment and climate control operations. Radiation transfer was based on the turbid medium representation, convective transport processes and plant responses to environmental factors were formulated as functions of plant canopy characteristics, greenhouse structure and state variables of bulk air above the canopy. In order to develop an Integrated Pest Management system for greenhouse crops, this model is linked to a plant pathogen model for Botrytis cinerea Pers, using canopy temperature and saturation deficit as input variables for simulating development rate of the fungus.

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