Effects of fungicidal protection programs on the development of fusarium head blight and the accumulation of mycotoxins in winter wheat

K. Gromadzka; L. Lenc; C. Sadowski; A. Baturo-Ciesniewska; J. Chełkowski; P. Goliński; J. Bocianowski

doi:10.1556/crc.40.2012.0019

Cereal Research Communications

Volume/Issue:: Volume 40: Issue 4

Effects of fungicidal protection programs on the development of fusarium head blight and the accumulation of mycotoxins in winter wheat

Authors:

K. Gromadzka

K. Gromadzka Poznan University of Life Sciences Department of Chemistry Wojska Polskiego 75 60-625 Poznañ Poland

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L. Lenc

L. Lenc Jan and Jędrzej Śniadecki University of Technology and Life Sciences in Bydgoszcz Department of Phytopathology and Molecular Mycology Ks. Kordeckiego 20 85-225 Bydgoszcz Poland

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C. Sadowski

C. Sadowski Jan and Jędrzej Śniadecki University of Technology and Life Sciences in Bydgoszcz Department of Phytopathology and Molecular Mycology Ks. Kordeckiego 20 85-225 Bydgoszcz Poland

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A. Baturo-Ciesniewska

A. Baturo-Ciesniewska Jan and Jędrzej Śniadecki University of Technology and Life Sciences in Bydgoszcz Department of Phytopathology and Molecular Mycology Ks. Kordeckiego 20 85-225 Bydgoszcz Poland

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J. Chełkowski

J. Chełkowski Polish Academy of Sciences Institute of Plant Genetics Strzeszyńska 34 60-479 Poznań Poland

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P. Goliński

P. Goliński Poznan University of Life Sciences Department of Chemistry Wojska Polskiego 75 60-625 Poznañ Poland

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J. Bocianowski

J. Bocianowski Poznań University of Life Sciences Department of Mathematical and Statistical Methods Wojska Polskiego 28 60-637 Poznań Poland

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Pages:: 518–531

Online Publication Date:: 20 Nov 2014

Publication Date:: 01 Dec 2012

Article Category:: Research Article

DOI:: https://doi.org/10.1556/crc.40.2012.0019

Keywords:: Fusarium ; FHB; fungicides; mycotoxins; zearalenone; deoxynivalenol

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Fusarium head blight (FHB) of cereals is one of the most important pre-harvest diseases worldwide. One possible method to reduce the intensity of FHB and mycotoxin levels is to apply fungicides to wheat at the flowering stage. This paper reports the efficacy of fungicides to control FHB and reduce the associated mycotoxin biosynthesis. In a two-year experiment eight combinations of fungicides were tested. Ear inoculation with a suspension of conidia of Fusarium culmorum representing the DON chemotype, confirmed by PCR assay, was conducted during anthesis. All fungicides significantly reduced FHB severity. The best control and the highest wheat yield were obtained after the application of spiroxamine + prothioconazole at GS 29-32, combined with prothioconazole + fluoxastrobin at GS 49-55 (yield 166.5% of the control) or tebuconazole and prothioconazole (165.8%). All the other protection programs resulted in higher yields (117.1–138.5% of the control). A clear relation was observed between the disease intensity and mycotoxin concentrations.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company

Print ISSN:: 0133-3720

Online ISSN:: 1788-9170

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Cereal Research Communications
Language	English
Size	A4
Year of Foundation	1973
Volumes per Year	1
Issues per Year	4
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
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ISSN	0133-3720 (Print)
ISSN	1788-9170 (Online)