By Juli Gould, Kim Hoelmer, John Goolsby
This booklet studies the interagency examine and improvement attempt on classical organic regulate within the united states from 1992-2002. The winning exploration, importation, screening, overview, rearing, and institution of a minimum of 5 unique Bemisia tabaci traditional enemies in swift reaction to the devastating infestations within the united states is a landmark in interagency cooperation and coordination of a number of disciplines. during this quantity, a few of the authors current exact studies of ordinary enemy exploration, advent, and overview efforts that might function a advisor to aid and inspire classical organic keep an eye on inputs into different built-in pest administration structures.
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Additional resources for Classical Biological Control of Bemisia tabaci in the United States: A Review of Interagency Research and Implementation (Progress in Biological Control)
Tigano-Milani et al. (1995) analyzed the genetic variability among 27 isolates of P. fumosoroseus, 15 of which were isolated from B. tabaci. The level of divergence among isolates observed by these authors suggests that the various strains represent a species aggregate. Fargues et al. (2002) reported on the genetic variability among P. fumosoroseus isolates as a function of geographical and host insect origins. Azevedo et al. (2000b) identified isolates with double stranded RNA, but they exhibited no differences in virulence from isolates with single stranded RNA.
Two hundred and thirty five accessions resulted in 55 parasitoid cultures and 13 distinct species. Of these, thirty-eight exotic plus two native parasitoid populations were evaluated by USDA-APHIS in laboratory and field assays for efficacy (Chapters 7–9). In a separate effort, 15 exotic parasitoid species were introduced into quarantine in Gainesville, Florida Species MBCL MBCL accession DNA code pattern Collection locality Collectora Date Identifier Host plant Biology Encarsia species Enc. bimaculata Heraty and Polaszek Enc.
3. 2 Factors Affecting Persistence, Growth and Insecticidal Activity Biotic and abiotic factors that have been studied for their influence on the activity of P. fumosoroseus against whiteflies include the effect of temperature, solar radiation, effect of original insect host, host plant, method of application, type of propagule, effect of exogenous nutrients on germination, and exposure to certain allelochemicals. 3 Effects of Abiotic Factors Temperature has a profound effect on growth and sporulation of P.