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Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field

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Abstract
Botrytis cinerea Pers.: Fr. is a major plant pathogen, and a new approach is needed for its control in strawberry to minimise the increasing use of synthetic fungicides. The biofungicide Prestop-Mix, which contains Gliocladium catenulatum, is effective against Botrytis infections; however, the need for frequent applications increases the costs for farmers. Here, we demonstrate that bumble bees, Bombus terrestris L., effectively disseminate the preparation onto flowers in open field conditions. Over the course of three years, we found a highly significant decrease in the rate of Botrytis infection. Pathogen control was achieved with relatively low numbers of G. catenulatum spores per flower, even using flowers that are not highly attractive to bumble bees. An even distribution of spores was detected up to 100 m from the hives, either due to primary inoculation by bumble bees or secondary distribution by other flower visitors such as honey bees and solitary bees. We showed that the application of a biocontrol agent by bumble bees is reliable for the use of environmentally friendly pest control strategies in northern climatic conditions. This low cost technology is especially relevant for organic farming. This study provides valuable information for introducing this method into practice in open strawberry fields.
Keywords
BOTRYTIS-CINEREA, STRAWBERRY GRAY MOLD, BIOLOGICAL-CONTROL, BUMBLE BEES, GREY MOLD, GLIOCLADIUM-ROSEUM, CLONOSTACHYS-ROSEA, FRUIT, FLOWERS, AGENT

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Chicago
Karise, Reet, Gerit Dreyersdorff, Mona Jahani, Eve Veromann, Eve Runno-Paurson, Tanel Kaart, Guy Smagghe, and Marika Mänd. 2016. “Reliability of the Entomovector Technology Using Prestop-Mix and Bombus Terrestris L. as a Fungal Disease Biocontrol Method in Open Field.” Scientific Reports 6.
APA
Karise, R., Dreyersdorff, G., Jahani, M., Veromann, E., Runno-Paurson, E., Kaart, T., Smagghe, G., et al. (2016). Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field. SCIENTIFIC REPORTS, 6.
Vancouver
1.
Karise R, Dreyersdorff G, Jahani M, Veromann E, Runno-Paurson E, Kaart T, et al. Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field. SCIENTIFIC REPORTS. 2016;6.
MLA
Karise, Reet, Gerit Dreyersdorff, Mona Jahani, et al. “Reliability of the Entomovector Technology Using Prestop-Mix and Bombus Terrestris L. as a Fungal Disease Biocontrol Method in Open Field.” SCIENTIFIC REPORTS 6 (2016): n. pag. Print.
@article{8125631,
  abstract     = {Botrytis cinerea Pers.: Fr. is a major plant pathogen, and a new approach is needed for its control in strawberry to minimise the increasing use of synthetic fungicides. The biofungicide Prestop-Mix, which contains Gliocladium catenulatum, is effective against Botrytis infections; however, the need for frequent applications increases the costs for farmers. Here, we demonstrate that bumble bees, Bombus terrestris L., effectively disseminate the preparation onto flowers in open field conditions. Over the course of three years, we found a highly significant decrease in the rate of Botrytis infection. Pathogen control was achieved with relatively low numbers of G. catenulatum spores per flower, even using flowers that are not highly attractive to bumble bees. An even distribution of spores was detected up to 100 m from the hives, either due to primary inoculation by bumble bees or secondary distribution by other flower visitors such as honey bees and solitary bees. We showed that the application of a biocontrol agent by bumble bees is reliable for the use of environmentally friendly pest control strategies in northern climatic conditions. This low cost technology is especially relevant for organic farming. This study provides valuable information for introducing this method into practice in open strawberry fields.},
  articleno    = {31650},
  author       = {Karise, Reet and Dreyersdorff, Gerit and Jahani, Mona and Veromann, Eve and Runno-Paurson, Eve and Kaart, Tanel and Smagghe, Guy and M{\"a}nd, Marika},
  issn         = {2045-2322},
  journal      = {SCIENTIFIC REPORTS},
  keyword      = {BOTRYTIS-CINEREA,STRAWBERRY GRAY MOLD,BIOLOGICAL-CONTROL,BUMBLE BEES,GREY MOLD,GLIOCLADIUM-ROSEUM,CLONOSTACHYS-ROSEA,FRUIT,FLOWERS,AGENT},
  language     = {eng},
  pages        = {8},
  title        = {Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field},
  url          = {http://dx.doi.org/10.1038/srep31650},
  volume       = {6},
  year         = {2016},
}

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