Técnica de amostragem para comparar o dano causado pela lagarta-da-espiga, Heliothis zea (Boddie), em cultivares de milho Sampling techniques to compare the damage by Heliothis zea (Boddie) in corn varieties
Neste trabalho, realizado no Instituto Agronômico, determinou-se o tamanho da amostra para estudos de danos causados pela lagarta-da-espiga, Heliothis zea (Boddie), avaliados pelo método de Widstrom. Foram utilizados dados de dois experimentos de campo, com um cultivar resistente (Asteca Prolífico V...
Main Authors: | Violeta Nagai, Carlos Jorge Rossetto, Frederico Pimentel Gomes |
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Format: | Article |
Language: | English |
Published: |
Instituto Agronômico de Campinas
1986-01-01
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Series: | Bragantia |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051986000100007 |
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