BIOPRODUTO À BASE DE EXTRATOS VEGETAIS PARA O CONTROLE DA CIGARRINHA DO MILHO Dalbulus maidis

Authors

DOI:

https://doi.org/10.36725/agries.v9i2.8640

Keywords:

Dalbulus maidis, eucalyptus extract, monkey pepper extract

Abstract

Corn (Zea mays) is a cereal of great economic importance and relevance in the trade balance, it serves as a
basis for both human and animal feed because of its high levels of starch. The leafhopper (Dalbulus maidis),
on the other hand, is a species responsible for significant losses in corn production, by transmitting the causal
agents of stunting and thin streaking to the plants. This work aimed to evaluate the potential use of plant
extracts in the control of Dalbulus maidis. The experiment was developed with strip design. The treatments
consisted of extracts of eucalyptus (Eucalyptus citriodora), mint (Mentha spicata), Malvasanta (Plectranthus
barbatus), monkey pepper (Piper aduncum) and a mixture of all plant extracts, in addition to the control. After
seven days of the extract’s application, the evaluation was carried out counting the number of
leafhoppers/plants. Before the application, all treatments had the same density of leafhoppers/plant, but after
the first application, the monkey pepper extract and the mix reduced the incidence and differed statistically
from the control. After the second application, in addition to the mix and the monkey pepper extract, the
eucalyptus extract also differed from the control in relation to the incidence of leafhopper. The eucalyptus
extracts, monkey pepper and the mix have insecticidal or repellent properties against Dalbulus maidis.

Author Biography

  • Roberta Zani Da Silva, Universidade Estadual do Tocantins

    Possui graduação em Agronomia pela Universidade Estadual de Londrina (2000), Mestrado em Agronomia pela Universidade Estadual de Londrina (2003) e Doutorado em Agronomia pela Universidade Estadual de Londrina (2006). Desde 2007 é professora da Universidade Estadual do Tocantins lecionando as seguintes Disciplinas: Fitossanidade Aplicada ao Agronegócio, Entomologia Geral , Entomologia Agrícola, Metodologia Científica, Topografia e construções Aquícolas, Tecnologia de Produtos Agropecuário Alimentícios, Estatística e Mecanização Rural, Construção rural e Gestão de Agronegócio. Foi Coordenadora de Pesquisa Agropecuária (2008-2010 e 2015), Diretora de Pesquisa Agropecuária (2011-2012), Diretora de Pós- Graduação e de Pesquisa Institucional (2012-2013) da UNITINS. Tem experiência na área de Ciências Agrárias , com ênfase em fitossanidade , atuando principalmente nos seguintes temas: controle biológico e alternativo de insetos, criação massal de insetos e fungos entomopatogênicos. Tem experiencia na docência de ensino a distância (EAD ) na graduação e pós-graduação. Já orientou mais de 30 alunos bolsitas. É autora de 18 artigos científicos, quatro (4) capítulos de livro e sete (7) boletins de pesquisa\ cartilhas. 

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Published

2023-10-19

Issue

Vol. 9 No. 2 (2023): 30 years of Scientific and Technological Initiation at Unitins with an emphasis on Agricultural Sciences and Biodiversity

Section

Scientific Note

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How to Cite

BIOPRODUTO À BASE DE EXTRATOS VEGETAIS PARA O CONTROLE DA CIGARRINHA DO MILHO Dalbulus maidis. (2023). AGRI-ENVIRONMENTAL SCIENCES, 9(2), 5. https://doi.org/10.36725/agries.v9i2.8640

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