Controlled Atmosphere Effects on the Pathogenicity of Fungi on Celery and on the Growth of Botrytis cinerea
Open Access
- 1 October 1986
- journal article
- Published by American Society for Horticultural Science in HortScience
- Vol. 21 (5) , 1167-1169
- https://doi.org/10.21273/hortsci.21.5.1167
Abstract
Sclerotinia sclerotiorum (Lib.) de Bary and Botrytis cinerea Pers. were highly pathogenic to celery stored at 0° to 1°C in normal air (21% O2). Alternaría dauci (Kuhn) Groves & Skolko, Rhizopus nigricans Ehrenb., Penicillium sp., and Fusarium oxysporum Schlecht, were nonpathogenic. An atmosphere of 7.5% CO/1.5% O2 was more suppressive to disease caused by B. cinerea and S. sclerotiorum than low 1.5% O2 atmosphere alone. The 4% CO2/1.5% O2 and 0.0003% C2H4/1.5% O2 atmospheres were slightly suppressive to disease caused by S. sclerotiorum only. The 7.5% CO/1.5% O2 atmosphere also was consistently suppressive to mycelial growth, spore germination, and germ tube elongation of B. cinerea.Keywords
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