期刊
JOURNAL OF INVERTEBRATE PATHOLOGY
卷 104, 期 2, 页码 105-109出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jip.2010.02.006
关键词
Beauveria bassiana; Rhagoletis indifferens; Tephritidae; Cherry fruit fly; Mycosis; Entomopathogenic fungi
类别
资金
- BC Fruit Growers Association and Agriculture
- Agri-Food Canada
Last-instar larvae of the western cherry fruit fly, Rhagoletis indifferens, were subjected to Beauveria bassiana GHA incorporated into sterile sand and non-sterile orchard soil. Mycosis in the pupal stage was observed in >20% of buried R. indifferens pupae and >80% of larvae entering sand treated with either of two B. bassiana isolates. When pre-pupal larvae burrowed into conidium-treated non-sterile cherry orchard soil, the incidence of mycosis, on both the puparia and internally developing pupae, increased with dose. Internal pupal tissues were found to contain B. bassiana. Increasing the soil moisture level from 20% to 35% water holding capacity did not have an effect on the percentage of mycosed pupae. This is the first evidence that the preimaginal stages of R. indifferens are susceptible to infection by B. bassiana. (C)2010 Her Majesty the Queen in Right of Canada, as represented by the Minister of Agriculture and AgriFood Canada.
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