The usefulness of NegFry decision support system in potato protection against late blight under different meteorological conditions
Józefa Kapsa
j.kapsa@ihar.edu.plInstytut Hodowli i Aklimatyzacji Roślin w Radzikowie, Zakład Nasiennictwa i Ochrony Ziemniaka w Boninie (Poland)
Edward Bernat
Instytut Hodowli i Aklimatyzacji Roślin w Radzikowie, Zakład Nasiennictwa i Ochrony Ziemniaka w Boninie (Poland)
Małgorzata Kasprzak
Instytut Meteorologii i Gospodarki Wodnej, Poznań (Poland)
Abstract
Chemical protection against potato late blight can either comprise the intensive usage of fungicides starting from potato emergence or base as sustainable protection, on forecasting of pathogen occurrence and utilize decision support systems that can help to predict the date of disease outbreak to determine the timing of first treatment. Field experiments on usefulness of NegFry decision support system in potato protection against late blight in northern part of Poland were conducted at the Plant Breeding and Acclimatization Institute, Bonin, in the years 2002–2004. The effectiveness of different potato protection systems was compared. Under Bonin climatic conditions, the NegFry system recommended the first spray 0–34 days before the late blight was found at the trial site. Protection performed according to the NegFry indications resulted both in control of late blight and in reduction of a number of fungicide treatments compared to the routine model.
Keywords:
NegFry, potato, late blight, protectionReferences
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Authors
Józefa Kapsaj.kapsa@ihar.edu.pl
Instytut Hodowli i Aklimatyzacji Roślin w Radzikowie, Zakład Nasiennictwa i Ochrony Ziemniaka w Boninie Poland
Authors
Edward BernatInstytut Hodowli i Aklimatyzacji Roślin w Radzikowie, Zakład Nasiennictwa i Ochrony Ziemniaka w Boninie Poland
Authors
Małgorzata KasprzakInstytut Meteorologii i Gospodarki Wodnej, Poznań Poland
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