Aerobiology ofSclerotinia sclerotiorumandBotrytis cinereaspores in New Zealand tobacco crops
Open Access
- 1 April 1980
- journal article
- research article
- Published by Taylor & Francis in New Zealand Journal of Agricultural Research
- Vol. 23 (2) , 259-262
- https://doi.org/10.1080/00288233.1980.10430796
Abstract
The seasonal abundance of ascospores of Sclerotinia sclerotiorum (Lib.) de Bary in the air depended on rainfall moistening the soil sufficiently for apothecia to develop. No other climatic factors were found to be related to the trapping pattern. Conidia of Botrytis cinerea Pers. ex Fr. were released in large numbers if the previous day was calm and the night warm, or when rain was falling. Few conidia were released at night unless rain was falling. Ascospores of S. sclerotiorum and conidia of B. cinerea both showed markedly diurnal distribution patterns.Keywords
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