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Resistência de cultivares de milho convencional a lagarta do cartucho

Authors: Renato Franco Oliveira de Moraes; Aildson Pereira Duarte; Arlindo Leal Boiça Júnior; Wellington Ivo Eduardo;

Resistência de cultivares de milho convencional a lagarta do cartucho

Abstract

A lagarta do cartucho é uma das principais pragas do milho, sendo controladas principalmente por inseticidas químicos, porém está tática de manejo pode ocasionar riscos ao meio ambiente e a saúde humana. A utilização de cultivares resistente pode diminuir a população da praga ocasionando menos danos as lavouras. Sendo assim este trabalho teve como objetivo avaliar a resistência de cultivares de milho a Spodoptera frugiperda. Foram utilizados 11 cultivares de milho em testes de preferência alimentar com e sem chance de escolha, e teste de antibiose. Empregou-se o delineamento experimental inteiramente casualizado para o teste sem chance, e blocos casualizados para o teste com chance de escolha, ambos com seis repetições, e o delineamento inteiramente casualizado com 30 repetições para o teste de antibiose. Nos testes de preferência, avaliou-se a atratividade aos 1, 3, 5, 10, 15, 30, 60, 120, 360, 720 e 1440 minutos e a porcentagem de injúria. No teste de antibiose avaliou-se os aspectos biológicos de 30 lagartas por tratamento. A cultivar AS 1581 apresentou características de resistência na categoria não preferência para alimentação. As cultivares TRUCK e IAC 8390 apresentaram características de resistência na categoria antibiose a S. frugiperda.

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Keywords

S, antibiose, não preferência, resistência de plantas a insetos, Spodoptera frugiperda, Zea mays L., Agriculture

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
gold