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The appearance of dicarboximide resistance in Botrytis cinerea in Queensland

The appearance of dicarboximide resistance in Botrytis cinerea in Queensland The Appearance of Dicarboxlmlde Resistance in Botrytis cinerea in Queensland R.G. O'Brien and R.J. Glass Department of Primary Industries, Meiers Road, Indooroopilly, Qld. 4068. A severe outbreak of grey mould (Botrytis dicarboximide fungicides was documented by cinerea Pers. ex Fr.) occurred in tomato crops at Pommer and Lorenz (1982) while Beever and Bundaberg during May-August 1985. Weather for Brien (1983) surveyed the problem in New much of the time was cool and showery providing Zealand. It is believed the results below confirm favourable conditions for the disease. In addition, the first indications of resistance in Australia. severe frost in June damaged the upper foliage which predisposed the plants to grey mould. Economic loss was due to flower blight and fruit Screening for resistance to iprodione in infection with some crops yielding only one third sixty-two isolates of B. cinerea of expected production. Screening tests were carried out on potato­ This epiphytotic occurred despite intensive dextrose agar (PDA) petri dishes amended with 0, fungicidal spray programmes using benomyl and the dicarboximide chemicals iprodione and 10 and 100 mg a.i./L iprodione (as 'Rovral' EC 250 procymidone. Although benomyl has been used giL iprodione). The isolates tested included fifty­ to control grey http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australasian Plant Pathology Springer Journals

The appearance of dicarboximide resistance in Botrytis cinerea in Queensland

O’Brien, R.; Glass, R.
Australasian Plant Pathology , Volume 15 (1) – Jan 23, 2011
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References (2)

Publisher
Springer Journals
Copyright
Copyright
Subject
Life Sciences; Plant Pathology; Plant Sciences; Agriculture; Entomology; Ecology
ISSN
0815-3191
eISSN
1448-6032
DOI
10.1071/APP9860024
Publisher site
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Abstract

The Appearance of Dicarboxlmlde Resistance in Botrytis cinerea in Queensland R.G. O'Brien and R.J. Glass Department of Primary Industries, Meiers Road, Indooroopilly, Qld. 4068. A severe outbreak of grey mould (Botrytis dicarboximide fungicides was documented by cinerea Pers. ex Fr.) occurred in tomato crops at Pommer and Lorenz (1982) while Beever and Bundaberg during May-August 1985. Weather for Brien (1983) surveyed the problem in New much of the time was cool and showery providing Zealand. It is believed the results below confirm favourable conditions for the disease. In addition, the first indications of resistance in Australia. severe frost in June damaged the upper foliage which predisposed the plants to grey mould. Economic loss was due to flower blight and fruit Screening for resistance to iprodione in infection with some crops yielding only one third sixty-two isolates of B. cinerea of expected production. Screening tests were carried out on potato­ This epiphytotic occurred despite intensive dextrose agar (PDA) petri dishes amended with 0, fungicidal spray programmes using benomyl and the dicarboximide chemicals iprodione and 10 and 100 mg a.i./L iprodione (as 'Rovral' EC 250 procymidone. Although benomyl has been used giL iprodione). The isolates tested included fifty­ to control grey

Journal

Australasian Plant Pathology – Springer Journals

Published: Jan 23, 2011

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