DETERMINAÇÃO DE ÁREA FOLIAR E RETENÇÃO DE LÍQUIDO POR FOLHAS DE CAFÉ EM PULVERIZAÇÃO A ALTO VOLUME

Authors

  • Marcelo da Costa Ferreira FCAV-UNESP
  • Rodrigo Alberto Alandia FCAV-UNESP
  • Giorge França Gomes de Carvalho FCAV/UNESP
  • Mariah Valente Baggio FCAV/UNESP

DOI:

https://doi.org/10.3738/nucleus.v7i1.316

Keywords:

Retenção foliar, café, adjuvantes

Abstract

The aim of this study was to determine the retention capacity of different moistures of acaricides, by spraying leaves of coffee in the high-volume, and compare two methods for determining leaf area. Were compared spraying liquids with abamectin, abamectin with mineral oil in concentrations of 1%, 1.5%, and abamectin with vegetable oil in concentrations of 1%, 1.5%, corresponding to five treatments in four repetitions. It was also compared two methods for determining the leaf area, which were gravimetric method and analysis of digitized leaves. Through the results it could be concluded that the use of adjuvant allows a reduction in the amount of spraying liquid and that adjuvants containing oils in the concentrations used in this study did not differ significantly on the retention of the liquid by leaves.

Published

2010-05-21

Issue

Section

Articles

How to Cite

DETERMINAÇÃO DE ÁREA FOLIAR E RETENÇÃO DE LÍQUIDO POR FOLHAS DE CAFÉ EM PULVERIZAÇÃO A ALTO VOLUME. (2010). Nucleus, 7(1). https://doi.org/10.3738/nucleus.v7i1.316

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