Population dynamics, vertical distribution and damage characterization of burrower bug in peanut

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dc.contributor.authorMichelotto, Marcos Doniseti
dc.contributor.authorBolonhezi, Denizart
dc.contributor.authorFreitas, Rogério Soares de
dc.contributor.authorSantos, João Francisco dos
dc.contributor.authorGodoy, Ignácio José
dc.contributor.authorSchwertner, Cristiano Feldens
dc.date.accessioned2024-05-14T12:55:17Z
dc.date.available2024-05-14T12:55:17Z
dc.date.issued2023
dc.description.abstractABSTRACT: Although the burrower bug (Cyrtomenus mirabilis) is considered a vitalsoil pest in peanut crops, Arachis hypogaea L., in South America, there is little information on its occurrence and damage characterization. This study aimed to evaluate the vertical distribution and fluctuation of the burrower bug in the soil and the damage this species causes in peanuts. Two peanut cultivars (IAC OL3 and IAC 503) were evaluated in three locations in the state of São Paulo: Pindorama, Ribeirão Preto and Votuporanga, in the 2017/18 and 2018/19 harvests. Trenches were dug 0.5 m long, 0.3 m wide and 0.3 m deep, along plant lines at four spots on each sampling date, and stratified in layers 10 cm deep. Plant samples (0.5 m) were collected and evaluated for number of pods and percentage of kernels with symptoms of insect damage. More than 85 % of the C. mirabilis population was found in depths of up to 10 cm, especially after plant fructification, and an increase in nymphs from 100 days after sowing (DAS) was seen when an increased number of maturing pods was observed. The occurrence of nymphs and adults of C. mirabilis and their damage to peanut kernels was similar in both cultivars (IAC OL3 and IAC 503), when these were harvested according to their developmental cycles.
dc.identifier.doi10.1590/1678-992x-2021-0161
dc.identifier.issn0103-9016
dc.identifier.otherS0103-90162023000100801-scl
dc.identifier.urihttps://repositorio-aptaregional.agricultura.sp.gov.br/handle/123456789/816
dc.relation.ispartofScientia Agricola
dc.subjectArachis hypogaea L.
dc.subjectsoil pest
dc.subjectkernel damage
dc.subjectpod maturation
dc.subjectmonitoring
dc.titlePopulation dynamics, vertical distribution and damage characterization of burrower bug in peanut
dc.typeArtigos
oaire.citation.volume80

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