THE EFFECTIVENESS OF FUNGICIDES IN THE CONTROL OF ALTERNARIA ALTERNATA DEPENDING ON THEIR IMPACT ON PATHOGEN BIOLOGY

Gveroska, Biljana (2013) THE EFFECTIVENESS OF FUNGICIDES IN THE CONTROL OF ALTERNARIA ALTERNATA DEPENDING ON THEIR IMPACT ON PATHOGEN BIOLOGY. Tobacco, 63 (1-6). pp. 36-46. ISSN 0494-3244

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Official URL: http://www.tobaccobulletin.mk/

Abstract

Investigations were carried out to study the effectiveness of some fungicides in the control of pathogenic fungus Alternaria alternata in laboratory conditions. Their impact on conidial germination and growth in solid and in liquid media was studied in this paper. The highest reducing effect on conidia germination was obtained by application of fungicides Folicur EW-250, Score 250-EC and Acrobat MZ – with only 2.97%, 11.60% and 15.19% germinated conidia. The poorest results were obtained with Dithane M-45 and Antracol WP-70. Fungal growth in solid and liquid media was prevented by application of Folicur EW-250. With application of Score 250 EC it reached only 8.30 mm and with Baycor WP 25 -14.70 mm However, high yield of dry biomass was obtained with Baycor WP 25 (140.00 mg), while with Dithane M-45 it was 20.00 mg. According to the investigations, the effectiveness of fungicides varies in different environmental conditions, depending on its impact on the biology of the pathogen. Fungicides Folicur EW-250 (0.1%), Score 250-EC (0.05%) and Acrobat MZ (0.25%) showed the best results in control of the pathogen.

Item Type: Article
Uncontrolled Keywords: Alternaria alternata, fungicide, inhibition, biology
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries
Divisions: Scientific Tobacco Institute
Depositing User: Ms Biljana Jordanoska
Date Deposited: 03 Nov 2016 22:02
Last Modified: 03 Nov 2016 22:06
URI: http://eprints.uklo.edu.mk/id/eprint/415

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