Herbicide Selectivity In Eucaplyptus Influenced By Spraying Nozzles

ABSTRACT The objective of this study was to verify the influence of spraying nozzles on the selectivity of herbicides in eucalyptus seedlings. XR 110.02 and TTI 110.02 spraying nozzles were used for the application of the herbicides: control treatment; oxyfluorfen (150 g ha–1) and saflufenacil (98 g...

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Published in:Floresta e ambiente 2019-01, Vol.26 (2)
Main Authors: Luiz Eduardo Silva, Caio Montenegro, Renato Baboza Moura, Saymon Acchile, Hermeson Santos Vitorino, Lauricio Endres, Renan Cantalice de Souza
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Language:English
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application technology
chlorophyll a fluorescence
phytotoxicity
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container_issue 2
container_start_page
container_title Floresta e ambiente
container_volume 26
creator Luiz Eduardo Silva
Caio Montenegro
Renato Baboza Moura
Saymon Acchile
Hermeson Santos Vitorino
Lauricio Endres
Renan Cantalice de Souza
description ABSTRACT The objective of this study was to verify the influence of spraying nozzles on the selectivity of herbicides in eucalyptus seedlings. XR 110.02 and TTI 110.02 spraying nozzles were used for the application of the herbicides: control treatment; oxyfluorfen (150 g ha–1) and saflufenacil (98 g ha–1). The experimental arrangement was a 2 × 3 factorial one (two spraying nozzles × 3 herbicides), using a randomized complete block design with four replications. The application was performed 15 days after transplanting the seedlings. Plant height (PH), stem diameter (SD), number of leaves (NL), total dry matter (DM), leaf area (LA), visual phytotoxicity (P), quantum efficiency of photosystem II - Fv/Fm, electron transport rate (ETR) and SPAD (S) index were evaluated. The XR 110.02 and TTI 110.02 nozzles did not change the selectivity of oxyfluorfen and saflufenacil.
doi_str_mv 10.1590/2179-8087.065117
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chlorophyll a fluorescence
phytotoxicity
title Herbicide Selectivity In Eucaplyptus Influenced By Spraying Nozzles
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