Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae

Vemmer M, Schumann M, Beitzen-Heineke W, French BW, Vidal S, Patel A (2016)
Pest Management Science 72(11): 2136-2145.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
BACKGROUND: CO2 is known as an attractant for many soil-dwelling pests. To implement an attract-and-kill strategy for soil pest control, CO2-emitting formulations need to be developed. The aim of the present work was to develop a slow-release bead system in order to bridge the gap between application and hatching of western corn rootworm larvae. RESULTS:We compared different Ca-alginate beads containing Saccharomyces cerevisiae for their potential to release CO2 over a period of several weeks. The addition of starch improved CO2 release, resulting in significantly higher CO2 concentrations in soil for at least 4 weeks. The missing amylase activity was compensated for either by microorganisms present in the soil or by coencapsulation of Beauveria bassiana. Formulations containing S. cerevisiae, starchandB. bassianawere attractive forwestern corn rootworm larvae within the first 4 h following exposure; however, when considering the whole testing period, the maize root systems remained more attractive for the larvae. CONCLUSION: Coencapsulation of S. cerevisiae, starchandB. bassiana is a promising approach for the development of attractive formulations for soil applications. For biological control strategies, the attractiveness needs to be increased by phagostimuli to extend contact between larvae and the entomopathogenic fungus growing out of these formulations.
Erscheinungsjahr
Zeitschriftentitel
Pest Management Science
Band
72
Ausgabe
11
Seite(n)
2136-2145
ISSN
PUB-ID

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Vemmer M, Schumann M, Beitzen-Heineke W, French BW, Vidal S, Patel A. Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae. Pest Management Science. 2016;72(11):2136-2145.
Vemmer, M., Schumann, M., Beitzen-Heineke, W., French, B. W., Vidal, S., & Patel, A. (2016). Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae. Pest Management Science, 72(11), 2136-2145. doi:10.1002/ps.4245
Vemmer, M., Schumann, M., Beitzen-Heineke, W., French, B. W., Vidal, S., and Patel, A. (2016). Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae. Pest Management Science 72, 2136-2145.
Vemmer, M., et al., 2016. Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae. Pest Management Science, 72(11), p 2136-2145.
M. Vemmer, et al., “Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae”, Pest Management Science, vol. 72, 2016, pp. 2136-2145.
Vemmer, M., Schumann, M., Beitzen-Heineke, W., French, B.W., Vidal, S., Patel, A.: Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae. Pest Management Science. 72, 2136-2145 (2016).
Vemmer, Marina, Schumann, Mario, Beitzen-Heineke, Wilhelm, French, Bryan W, Vidal, Stefan, and Patel, Anant. “Development of a CO2-releasing coformulation based on starch, Saccharomyces cerevisiae and Beauveria bassiana attractive towards western corn rootworm larvae”. Pest Management Science 72.11 (2016): 2136-2145.
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2018-10-31T16:35:35Z