ISHS Acta Horticulturae 425: II International Pineapple Symposium
ALOHA-PINEAPPLE V.2.1: A COMPUTER MODEL TO PREDICT THE GROWTH, DEVELOPMENT AND YIELD OF PINEAPPLE |
| Authors: | J. Zhang, D.P. Bartholomew, E. Malézieux |
| Abstract:
ALOHA PINEAPPLE v. 2.1 is a process-oriented model which simulates growth, development and yield of the mother plant crop of ‘Smooth Cayenne’ pineapple. The model operates on a daily time step and uses daily weather data, soil profile characteristics, and management data as inputs. ALOHA PINEAPPLE uses a standard (IBSNAT) input and output structure that allows it to run under the IBSNAT Decision Support System for Agrotechnology Transfer (DSSAT) shell used with other IBSNAT crop models. ALOHA PINEAPPLE v. 2.1 simulates the phasic development of plant leaf area, dry matter accumulation, and assimilate partitioning to stem, leaves, and fruit. The soil water balance (optional) simulates runoff, drainage, evaporation, and transpiration. The model was validated using data from Australia, Hawaï, and Ivory Coast, with multiple dates of flower induction at all locations. Crowns were planted in Australia and Hawaï and stem suckers in Ivory Coast. The performance of the model was good in all locations with both types of planting material. Although the model needs further testing and calibration, it shows great potential to become a valuable tool for researchers, extension agents and planners. | |
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