Mating Disruption of (Maskell) (Hemiptera, Pseudococcidae) in Fruit Crops

Overview

Journal Insects

Specialty Biology

Date 2021 Apr 30

PMID 33924297

Citations 5

Authors

Carolina Ballesteros

Alda Romero

Maria Colomba Castro

Sofia Miranda

Jan Bergmann

Tania Zaviezo

Affiliations

Soon will be listed here.

Abstract

, 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 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

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