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« Previous Abstract"The Brain of the Domestic Bos taurus: Weight, Encephalization and Cerebellar Quotients, and Comparison with Other Domestic and Wild Cetartiodactyla"    Next AbstractMating behavior of Pseudococcus calceolariae and Pseudococcus longispinus (Hemiptera: Pseudococcidae): are asexual reproduction and hybridization possible? »

Insects


Title:"Mating Disruption of Pseudococcus calceolariae (Maskell) (Hemiptera, Pseudococcidae) in Fruit Crops"
Author(s):Ballesteros C; Romero A; Castro MC; Miranda S; Bergmann J; Zaviezo T;
Address:"Facultad de Agronomia e Ingenieria Forestal, Pontificia Universidad Catolica de Chile, Avda. Vicuna Mackenna 4860, Macul, Santiago 7820436, Chile. Instituto de Quimica, Pontificia Universidad Catolica de Valparaiso, Avda. Universidad 330, Curauma, Valparaiso 2340000, Chile"
Journal Title:Insects
Year:2021
Volume:20210413
Issue:4
Page Number: -
DOI: 10.3390/insects12040343
ISSN/ISBN:2075-4450 (Print) 2075-4450 (Electronic) 2075-4450 (Linking)
Abstract:"Pseudococcus calceolariae, the citrophilous mealybug, is a species of economic importance. Mating disruption (MD) is a potential control tool. During 2017-2020, trials were conducted to evaluate the potential of P. calceolariae MD in an apple and a tangerine orchard. Two pheromone doses, 6.32 g/ha (2017-2018) and 9.45 g/ha (2019-2020), were tested. The intermediate season (2018-2019) was evaluated without pheromone renewal to study the persistence of the pheromone effect. Male captures in pheromone traps, mealybug population/plant, percentage of infested fruit at harvest and mating disruption index (MDI) were recorded regularly. In both orchards, in the first season, male captures were significantly lower in MD plots compared to control plots, with an MDI > 94% in the first month after pheromone deployment. During the second season, significantly lower male captures in MD plots were still observed, with an average MDI of 80%. At the third season, male captures were again significant lower in MD than control plots shortly after pheromone applications. In both orchards, population by visual inspection and infested fruits were very low, without differences between MD and control plots. These results show the potential use of mating disruption for the control of P. calceolariae"
Keywords:Ipm citrophilous mealybug semiochemicals sex pheromones sustainable pest control;
Notes:"PubMed-not-MEDLINEBallesteros, Carolina Romero, Alda Castro, Maria Colomba Miranda, Sofia Bergmann, Jan Zaviezo, Tania eng PYT-2017-0140/Fundacion para la Innovacion Agraria/ Doctoral fellowship #2015/Comision Nacional de Investigacion Cientifica y Tecnologica/ Switzerland 2021/05/01 Insects. 2021 Apr 13; 12(4):343. doi: 10.3390/insects12040343"

 
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