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| Content Provider | Springer Nature Link |
|---|---|
| Author | Avery, Pasco B. Faull, Jane Simmonds, Monique S. J. |
| Copyright Year | 2007 |
| Abstract | The effect of separate and combined activity of Paecilomyces fumosoroseus Wize (Brown and Smith) Trinidadian strain T11 and the parasitoid, Encarsia formosa Gahan, was assessed on populations of the greenhouse whitefly, Trialeurodes vaporariorum (Westwood), infesting Phaseolus vulgaris L. (French bean) and Pelargonium x domesticum (regal geranium) plants in replicate experiments. When infested bean and geranium plants were exposed to E. formosa for 2 days, and 4 days later sprayed with P. fumosoroseus blastospores, whitefly percent mortality was 99.5% and 75.5%, 94.6% and 59.4% for experiments 1 and 2, respectively. Treatment of infested bean plants with either E. formosa or P. fumosoroseus resulted in 87.8% and 78.7%, 73.1% and 97.0% whitefly mortality for experiments 1 and 2, respectively, while similar treatment of infested geranium plants resulted in 9.2% and 52.8%, 34.3% and 64.5% whitefly mortality for experiments 1 and 2, respectively. Our results support the use of E. formosa and P. fumosoroseus in combination in Experiment 1 for the treatment of whitefly infested P. vulgaris plants since a significant difference in mortality is observed than when either E. formosa or P. fumosoroseus is applied alone. However, in experiment 2, the combination treatment on P. vulgaris was no more effective than spraying P. fumosoroseus alone. On P. x domesticum plants, only P. fumosoroseus alone is needed for efficient control of the whitefly compared to the combination treatment. The relative timing of parasitoid oviposition and fungal infection are critical in determining the outcome of the interaction and are plant host dependent. |
| Starting Page | 303 |
| Ending Page | 316 |
| Page Count | 14 |
| File Format | |
| ISSN | 13866141 |
| Journal | BioControl |
| Volume Number | 53 |
| Issue Number | 2 |
| e-ISSN | 15738248 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2007-02-21 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Blastospores Entomopathogen Pelargonium x domesticum Phaseolus vulgaris Regal geranium Trialeurodes vaporariorum Tritrophic interaction Behavioural Sciences Animal Biochemistry Animal Ecology Agriculture Plant Pathology Entomology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Insect Science Agronomy and Crop Science |
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