DROPLET DEPOSITION ON BEAN PLANTS BY THE HYDRAULIC SPRAYER WITH AIR ASSITED SPRAYING BAR

Authors

  • Murilo Mesquita Baesso
  • Mauri Martins Teixeira
  • Rogério Faria Vieira
  • Trazilbo José de Paula Junior
  • Paulo Roberto Cecon

DOI:

https://doi.org/10.13083/reveng.v17i6.112

Keywords:

Bicos, papel hidrossensível e volume de calda.

Abstract

The droplet population on leaf surface during the spray influences control efficacy of phytosanitary problems. Considering the type of treatment and the product to be used, a minimum droplet number per unit surface should be defined. This study was done to evaluate the population characteristics and spectrum of the droplets produced by the air-assisted spray. The following factors were studied: type of nozzle, volume of liquid applied, air assistance and its influence on the percent coverage and density of droplet population. An experiment was set up in a randomized block design with 2 x 2 x 2 factorial with four replications: types of nozzle (hollow cone spray nozzle, Jacto model JA-4, or fan-type nozzle, Jacto model AXI-110-04), liquid volume (200 or 400 L ha-1) and with or without air assistance. The air assistance in the bar increased the droplets density on leaf surface.

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Published

2009-12-17

How to Cite

Baesso, M. M., Teixeira, M. M., Vieira, R. F., de Paula Junior, T. J., & Cecon, P. R. (2009). DROPLET DEPOSITION ON BEAN PLANTS BY THE HYDRAULIC SPRAYER WITH AIR ASSITED SPRAYING BAR. Engineering in Agriculture, 17(6), 438–445. https://doi.org/10.13083/reveng.v17i6.112

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