Implementation and evaluation of NegFry decision support system in late blight control strategy under Polish conditions
Józefa Kapsa
j.kapsa@ihar.edu.plInstytut Hodowli i Aklimatyzacji Roślin, Oddział w Boninie (Poland)
Jerzy Osowski
Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Boninie (Poland)
Abstract
The purpose of various forecasting and monitoring systems using in the late blight control strategy is to define precisely the disease appearance and undertake decision about dates of recommended fungicide applications during the season. All the running in Europe systems needs basic meteorological data (air temperature, relative humidity, precipitation) and implementation of basic biological data (variety and variety resistance against late blight, crop emergence, end of season). Results of trials carried out at commercial fields in 2001 have confirmed usefulness of the NegFry system for potato field protection against late blight under Polish weather conditions. By using the NegFry system, number of fungicide applications could be reduced for 1–2, compared to intensive, routine protection. In spite of decreasing the number of sprays, significant inhibition of disease development and good control effectiveness were observed.
Keywords:
late blight control, decision support systems, potatoReferences
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Authors
Józefa Kapsaj.kapsa@ihar.edu.pl
Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Boninie Poland
Authors
Jerzy OsowskiInstytut Hodowli i Aklimatyzacji Roślin, Oddział w Boninie Poland
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