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Economic survey to support control decision for old world bollworm on processing tomatoes Scientia Agricola
Sousa,Nayara Cristina Magalhães; Michereff-Filho,Miguel; Moita,Antônio Williams; Silva,Karla Fernanda Ayres de Souza; Silva,Paloma Alves; Torres,Jorge Braz.
ABSTRACT: Helicoverpa armigera (Hübner) regularly requires quick deployment of control practices due to its potential of causing yield loss of processing tomatoes. The monitoring of H. armigera adults using stick traps lured with sex pheromone was correlated to egg densities, larvae, and percentage of damaged fruits, aiming to subsidize control decisions only using the number of males caught in the traps since surveying pest stages or damaged fruits is laborious and costly. Surveys were carried out on 11 tomato fields (ca. 80 to 120 hectares each) for processing during the 2015 and 2016 crop seasons. The survey was initiated at the flowering stage with traps set up along the field borders 100 m distant each. Evaluations of adult male capture in the traps...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Heliothinae; Sex pheromone; Tomato pests; Monitoring.
Ano: 2021 URL:
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