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      STINK BUG POPULATION FLUCTUATION AND CONTROL IN SOUR PASSION FRUIT ORCHARDS IN SOUTHERN BRAZIL Translated title: FLUTUAÇÃO POPULACIONAL E CONTROLE DE PERCEVEJOS EM POMAR DE MARACUJAZEIRO-AZEDO NO SUL DO BRASIL

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          Abstract

          ABSTRACT Sour passion fruit (Passiflora edulis Sims, 1818) crops in Brazil are drawing attention due to the national production, and the increasing consumption of this fruit as fresh and processed products. However, fruit losses due to damages caused by stink bugs (Hemiptera: Coreidae) are concerning to fruit growers in southern Brazil. The objective of this study was to evaluate the population fluctuation and control of stink bugs in P. edulis crops grown in the 2013-2014 and 2014-2015 crop seasons in Araquari, SC, Brazil, using natural and synthetic insecticides. The stink bug population was evaluated using the 0.25 m2 frame technique. The evaluations were carried out weekly during the two crop seasons. The species and distribution of stink bugs in the different parts of the plant were evaluated. The insecticides and rates used were: Neenmax (azadirachtin 1.0%) at 10 mL L-1; Orobor N1 (N-citric acid 1.0% + 0.20% B) at 2 mL L-1; and Decis 25 EC (deltamethrin 2.5%) at 1 mL L-1, diluted in aqueous solution. Specimens of three stink bug species where found: 86% Diactor bilineatus (Hemiptera: Coreidae); 13.5% Holhymenia histrio (Hemiptera: Coreidae), and 0.5% Nezara viridula (Hemiptera: Pentatomidae). The D. bilineatus species presented higher frequency, constancy, and dominance during the evaluated crop seasons; 64% of the stink bugs were found on fruits, 18.5% on leaves, 7.3% on floral buds, 5.8% on flowers, and 4.4% on branches. The use of azadirachtin or deltamethrin was efficient to reduce the stink bug infestation and the number of P. edulis withered fruits.

          Translated abstract

          RESUMO O cultivo do maracujazeiro-azedo Passiflora edulis (Sims, 1818) vem obtendo destaque na fruticultura nacional devido ao aumento do consumo tanto da fruta fresca, como processada. Contudo, perdas pelo ataque de percevejos (Hemiptera: Coreidae) vêm preocupando fruticultores da região sul do Brasil. O objetivo deste estudo foi avaliar a ocorrência e o controle de percevejos em pomar de maracujazeiro-azedo P. edulis, através da utilização de inseticidas naturais e sintéticos nas safras de 2013/14 e 2014/15 em Araquari/SC. A ocorrência de percevejos foi estudada através de amostragens utilizando a técnica do quadro de madeira com dimensão de 0,25 m2. As avaliações foram realizadas semanalmente durante as duas safras. As espécies e a distribuição dos percevejos nas diferentes partes da planta foram quantificadas. Os inseticidas utilizados foram: Neenmax (Azadiractina 1,0%) na dose de 10 mL/L; Orobor N1 (Ácido cítrico N 1,0% + B 0,20%) 2 mL/L; Decis 25 EC (Deltametrina 2,5%) 1 mL/L, diluídos em solução aquosa. Foram observados exemplares de três espécies de percevejos, sendo 86% Diactor bilineatus (Hemiptera: Coreidae); 13,5% Holhymenia histrio (Hemiptera: Coreidae) e 0,5% de Nezara viridula (Hemiptera: Pentatomidae). D. bilineatus apresentou alta frequência, constância e dominância durante as safras avaliadas. Os percevejos encontravam-se 64% sobre os frutos, 18,5% sobre as folhas, 7,3% sobre os botões florais, 5,8% sobre as flores e 4,4 % sobre os ramos. A pulverização com Azadiractina e Deltametrina foram eficientes para reduzir a infestação de percevejos e ocorrência de frutos murchos no pomar de maracujazeiro-azedo.

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          Avanços na cultura do maracujá no Brasil

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            Impacts of Synthetic and Botanical Pesticides on Beneficial Insects

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              Manejo integrado de pragas do maracujazeiro

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcaat
                Revista Caatinga
                Rev. Caatinga
                Universidade Federal Rural do Semi-Árido (Mossoró, RN, Brazil )
                0100-316X
                1983-2125
                December 2019
                : 32
                : 4
                : 1111-1116
                Affiliations
                [2] Lages Santa Catarina orgnameUniversidade do Estado de Santa Catarina orgdiv1Department of Agronomy Brazil noelalvesribeiro@ 123456hotmail.com
                [3] Curitiba Paraná orgnameUniversidade Federal do Paraná orgdiv1Department of Basic Pathology Brazil joatanmachado@ 123456gmail.com
                Article
                S1983-21252019000401111 S1983-2125(19)03200401111
                10.1590/1983-21252019v32n428rc
                d0b71ab9-0143-49b0-ae38-cbca34d729c5

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 02 September 2019
                : 08 February 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 6
                Product

                SciELO Brazil

                Categories
                Technical Note

                Manejo integrado de pragas,Passiflora edulis,Hemiptera,Controle químico,Insect pest management,Chemical control

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