APPLICATION OF THE SIGNUM FUNGICIDE IN CONTROL OF PYTHIUM DEBARYANUM HESSE ON TOBACCO SEEDLINGS

Tashkoski, Petre (2015) APPLICATION OF THE SIGNUM FUNGICIDE IN CONTROL OF PYTHIUM DEBARYANUM HESSE ON TOBACCO SEEDLINGS. Tobacco, 65 (7-12). pp. 38-46. ISSN 0494-3244

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

Abstract

Favorable microclimate conditions in seedbeds contribute to the outbreak of damping off disease on tobacco seedlings. The aim of this paper was to estimate the effectiveness of the fungicide Signum in control of Pythium debaryanum, the disease causing agent. Investigations were made during 2013 and 2014 in the biological laboratory of the Scientific Tobacco Institute -Prilep. Seedlings of the variety NS 72 were sown in 0,3 m2 plastic trays. Standard fungicide Proplant 722 SL 0,25% (722 g/l propamocarb-hydrochlorid) and the preparations Orvego 0,1% (ametoctradin 300 + dimethomorph 225), Enervin 0,2% (ametoctradin 120 + metiram 440) and Signum 0,1% (boscalid 267 + pyraklostrobin 67) were used in the investigations. Two waterings were applied on seedlings with 1 l/m2 suspension prepared from the fungicides. The first watering was applied prior to the 4th-leaf stage and the second one 15 days after. The coefficient of fungicide effectiveness was calculated by applying the formula of Abbott (1925). In both years of investigation, Signum 0,1% showed the highest effectiveness in protection of the seedlings. No infected plants were observed during the growing season in variants where this fungicide was applied.

Item Type: Article
Uncontrolled Keywords: tobacco seedlings, disease, intensity, fungicides, effectiveness
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries
Divisions: Scientific Tobacco Institute
Depositing User: Ms Biljana Jordanoska
Date Deposited: 03 Nov 2016 21:19
Last Modified: 03 Nov 2016 21:19
URI: http://eprints.uklo.edu.mk/id/eprint/404

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