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@article{2219281,
author = {Pekár, Stanislav and Řezáč, Milan and Kocourek, František and Stará, Jitka},
article_number = {3},
doi = {http://dx.doi.org/10.1080/09670874.2021.1969471},
keywords = {biological control; body size; Diversity; fecundity; functional traits; fungicide; IPM},
language = {eng},
issn = {0967-0874},
journal = {International Journal of Pest Management},
title = {Effect of three pest-control management systems on abundance, species richness, and selected traits of spiders (Araneae) assemblage in apple orchard},
url = {https://doi.org/10.1080/09670874.2021.1969471},
volume = {70},
year = {2024}
}
TY - JOUR
ID - 2219281
AU - Pekár, Stanislav - Řezáč, Milan - Kocourek, František - Stará, Jitka
PY - 2024
TI - Effect of three pest-control management systems on abundance, species richness, and selected traits of spiders (Araneae) assemblage in apple orchard
JF - International Journal of Pest Management
VL - 70
IS - 3
SP - 310-322
EP - 310-322
PB - Taylor and Francis Ltd.
SN - 09670874
KW - biological control
KW - body size
KW - Diversity
KW - fecundity
KW - functional traits
KW - fungicide
KW - IPM
UR - https://doi.org/10.1080/09670874.2021.1969471
N2 - There are various modern pest-control management systems used in the current apple production, such as integrated pest management (IPM) or organic systems. All aims to support occurrence of natural enemies that should help to reduce populations of pests. Here we investigated the effect of fungicide-treated and fungicide-free (resistant tree varieties) treatment combined with biological, IPM, and conventional systems on spiders, as the major group of natural enemies occurring on foliage of apple trees. The biological treatment was based on the use of biopesticides; IPM system was based on the use of selective insecticides, conventional included the use of broad-spectrum insecticides. Abandoned plot served as a control. The study was done for three consecutive years. Spiders were sampled from canopies by beating at weekly intervals during season. We found that fungicide-treated plots had lower abundance of spiders for two years but not species richness than fungicide-free plots. Among the three pest-control management systems, IPM and conventional supported greater spider abundance but not species richness than the biological treatment. Comparison of spider abundance before and after insecticide applications revealed that only very few pesticides, particularly the broad-spectrum ones, reduced spider numbers. In addition, we focused on the comparison of three traits (body size, maturity, fecundity) among treatments. Of six species, only Philodromus cespitum showed a smaller body size on biological than the other treatments. There were three species in which adults occurred earlier on conventional treatment than on the other treatments. Neither clutch size of Phylloneta impressa nor egg size was different among treatments. The small though significant differences in abundance, richness, and selected traits, found among IPM, conventional, and biological treatments and the control show that these pest-control management systems had similar effect on spiders. Use of IPM system combined with scab resistant apple varieties is recommended.
ER -
PEKÁR, Stanislav, Milan ŘEZÁČ, František KOCOUREK and Jitka STARÁ. Effect of three pest-control management systems on abundance, species richness, and selected traits of spiders (Araneae) assemblage in apple orchard. \textit{International Journal of Pest Management}. Taylor and Francis Ltd., 2024, vol.~70, No~3, p.~310-322. ISSN~0967-0874. Available from: https://dx.doi.org/10.1080/09670874.2021.1969471.
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