Spatial and temporal distribution and bioinsecticides control of olive leaf moth in an olive orchard in Southwest of Paraná, Brazil

IF 0.8 4区农林科学 Q3 AGRONOMY

Ciencia Rural Pub Date : 2023-02-10 DOI:10.1590/0103-8478cr20220008

Gilberto C C Carmona, G. Andrade, I. Citadin, R. H. Pertille, J. R. R. Campos, A. Rohr, M. A. Danner

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引用次数: 0

Abstract

ABSTRACT: We verified the spatial and temporal distribution of the olive leaf moth (Palpita forficifera Munroe, 1959) in a new potential region for olive cultivation and evaluated the bioinsecticides effectiveness to control this pest. The experimental orchard composed by Koroneiki and Arbequina cultivars was planted in Pato Branco, Southwest region of Paraná, Brazil. In the field, larvae counts were performed weekly on 25 plants of each cultivar, for 12 months, to verify the spatial and temporal distribution. Furthermore, in laboratory conditions, second instar larvae of P. forficifera were fed with olive leaves treated with Azadirachta indica oil, Bacillus thuringiensis, Metarhizium anisopliae and Beauveria bassiana, and the effectiveness in the larvae mortality was used to compare four bioinsecticides and control. The P. forficifera larvae occurred mainly during the three summer months, had a host preference for the ‘Arbequina’ (68.9% of total larvae) and occurred at random distribution patterns throughout the orchard. The A. indica oil and B. thuringiensis both caused almost 100% larvae mortality under laboratory conditions.

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巴西帕拉纳西南部橄榄园橄榄叶蛾时空分布及生物杀虫剂防治

摘要/ ABSTRACT摘要:对橄榄叶蛾(Palpita forficera Munroe, 1959)在橄榄栽培潜力新区的时空分布进行了调查，并评价了生物杀虫剂对橄榄叶蛾的防治效果。由Koroneiki和Arbequina品种组成的实验果园种植在巴西帕拉帕西南地区的帕托布兰科。在田间，每个品种25株，每周进行幼虫计数，为期12个月，以验证其时空分布。此外，在实验室条件下，用印印果油、苏云金芽孢杆菌、绿僵菌和球孢白僵菌处理过的橄榄叶作为对照，比较了4种生物杀虫剂的幼虫死亡率和对照效果。柽柳幼虫主要发生在夏季3个月，寄主偏好“Arbequina”(占总幼虫的68.9%)，在果园内随机分布。在实验室条件下，籼稻和苏云金弧菌的幼虫死亡率均接近100%。

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来源期刊

Ciencia Rural AGRONOMY-

CiteScore

1.70

自引率

0.00%

发文量

233

审稿时长

2-4 weeks

期刊介绍： The purpose of Ciência Rural is to publish the results of original research, note and reviews which contribute significantly to knowledge in Agricultural Sciences. Preference will be given to original articles that develop news concepts or experimental approaches and are not merely repositories of scientific data. The decison of acceptance for publication lies with the Editors and is based on the recommendations of Editorial Comission, Area Committee and/ or ad hoc reviewers. The editors and reviewers are external to the institution.