Biocontrol Science and Technology (2018) 28, 1164-1177
Elisangela Gomes Fidelis, Abraão Almeida Santos, Fernanda Freitas Sousa, Ricardo Siqueira da Silva, Rômulo Augusto Cotta Dângelo and Marcelo Coutinho Picanço (2018)
Predation is the key mortality factor for Brevicoryne brassicae in cabbage crops
Biocontrol Science and Technology 28 (12), 1164-1177
Abstract: Brevicoryne brassicae is an important pest of cabbage crops. In addition to the chemical controls usually used in agroecosystems, natural factors contribute to aphid mortality. In this study, we evaluated the natural mortality caused by abiotic and biotic factors in B. brassicae, using ecological life tables in cabbage crops. Together, these factors caused 92.39% mortality to B. brassicae populations and reduced the net reproductive rate. Syrphidae larvae from the species Allograpta exotica, Pseudodorus clavatus, Ocyptamus gastrostactus were the main predators of B. brassicae followed by the Coccinellidae species Coccinella septempunctata, Cycloneda sanguinea, Eriopis connexa and Harmonia axyridis. The information generated in this study suggests that measures seeking to preserve natural enemies, especially predators, should be adopted to control B. brassicae in cabbage crops.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Marcelo Coutinho Picanco, Abraão Almeida Santos
Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution
surveys/distribution/isolation
