Results 21 to 30 of about 79,190 (262)

Eucalyptus and Ipomoea nil phytotoxicity after herbicide application

Revista Brasileira de Engenharia de Biossistemas, 2023
The presence of weeds in forest estates is considered one of the biggest problems in the implantation, maintenance, and renovation of eucalyptus plantations. This research aims to evaluate the phytotoxicity of herbicides on eucalyptus and I. nil.
Ilca Puertas de Freitas e Silva, Josué Ferreira Silva Junior, Caio Antonio Carbonari , Edivaldo Domingues Velini , Rosilaine Araldi de Castro , Leandro Tropaldi , João Domingos Rodrigues   +6 more
doaj   +1 more source

Assessment of field fluorometers

Water Science and Technology, 2014
Two field fluorometers, devoted either to natural organic matter (NOM) or to tryptophan-like fluorescing substances, were tested for the characterization of a large set of water samples (n = 263) impacted to various degrees by untreated or poorly treated urban sewage. Both fluorometers yielded consistent results when testing discrete samples.
A, Gutierrez, Y, Zhang, A, Assaad, X, France, N, Adouani, M N, Pons   +5 more
openaire   +2 more sources

Subsurface chlorophyll maxima reduce the performance of non-photochemical quenching corrections in the Southern Ocean

Frontiers in Marine Science
Non-photochemical quenching (NPQ) within phytoplankton cells often causes the daytime suppression of chlorophyll fluorescence in the Southern Ocean. This is problematic and requires accurate correction when chlorophyll fluorescence is used as a proxy for
Kimberlee Baldry, Peter G. Strutton, Peter G. Strutton, Peter G. Strutton, Nicole A. Hill, Nicole A. Hill, Philip W. Boyd, Philip W. Boyd   +7 more
doaj   +1 more source

Diagnosis of Induced Resistance State in Tomato Using Artificial Neural Network Models Based on Supervised Self-Organizing Maps and Fluorescence Kinetics

Sensors, 2022
The aim of this study was to develop three supervised self-organizing map (SOM) models for the automatic recognition of a systemic resistance state in plants after application of a resistance inducer. The pathosystem Fusarium oxysporum f. sp.
Xanthoula Eirini Pantazi, Anastasia L. Lagopodi, Afroditi Alexandra Tamouridou, Nathalie Nephelie Kamou, Ioannis Giannakis, Georgios Lagiotis, Evangelia Stavridou, Panagiotis Madesis, Georgios Tziotzios, Konstantinos Dolaptsis, Dimitrios Moshou   +10 more
doaj   +1 more source

Barnyardgrass control using tank-mixed herbicides with saflufenacil and its influence in photosynthesis and chlorophyll fluorescence

Ciência Rural
: The objectives of this research were to evaluate the interaction between herbicides mixed with saflufenacil for the control of barnyardgrass and to determine the effect on photosynthetic and chlorophyll fluorescence parameters.
Cassiano Salin Pigatto, Camila Peligrinotti Tarouco, Fernando Teixeira Nicoloso, Álvaro Luis Pasquetti Berghetti, Glauco Pacheco Leães, Isabel Schlegel Werle, André da Rosa Ulguim   +6 more
doaj   +1 more source

Efeito do hexazinone isolado e em mistura na eficiência fotossintética de Panicum maximum Effect of hexazinone applied alone and in combination on the photosynthetic efficiency of Panicum maximum

Planta Daninha, 2012
Esta pesquisa teve como objetivo avaliar a velocidade e intensidade de ação do hexazinone isolado e em mistura com outros inibidores do fotossistema II, através da eficiência fotossintética de Panicum maximum em pós-emergência.
M. Girotto, R. Araldi, E.D. Velini, M.L.B. Trindade, C.A Carbonari   +4 more
doaj   +1 more source

Eficiência fotossintética de cultivares de cana-de-açúcar e de diferentes espécies de plantas daninhas após a aplicação do diuron Photosynthetic efficiency of sugarcane cultivars and weed species after diuron application

Planta Daninha, 2012
O objetivo deste trabalho foi avaliar a eficiência fotossintética, através da taxa de transporte de elétrons, de seis espécies de plantas daninhas e três cultivares de cana-de-açúcar após aplicação do herbicida diuron em pós-emergência inicial.
M. Girotto, R. Araldi, E.D. Velini, C.A. Carbonari, G.L.G.C. Gomes, M.L.B. Trindade   +5 more
doaj   +1 more source

Relationship between chlorophyll a concentration, light attenuation and diving depth of the Southern elephant seal Mirounga leonina. [PDF]

PLoS ONE, 2012
Recently, a number of Antarctic marine environmental studies have used oceanographic parameters collected from instrumented top predators for ecological and physical information.
Thomas Jaud, Anne-Cécile Dragon, Jade Vacquie Garcia, Christophe Guinet   +3 more
doaj   +1 more source

Proximal and Remote Sensing Monitoring of the ‘Spinoso sardo’ Artichoke Cultivar on Organic and Conventional Management

Horticulturae
The development of new techniques to improve crop management, especially through precision agriculture methods and innovations, is crucial for increasing crop yield and ensuring high-quality production. The horticultural sector is particularly vulnerable
Alessandro Deidda, Alberto Sassu, Luca Ghiani, Maria Teresa Tiloca, Luigi Ledda, Marco Cossu, Paola A. Deligios, Filippo Gambella   +7 more
doaj   +1 more source

Efeitos na taxa de transporte de elétrons de plantas daninhas após aplicação de amicarbazone Effects on the electron transport rate of weeds after amicarbazone application

Planta Daninha, 2011
Entre os herbicidas registrados para cana-de-açúcar, o amicarbazone é um dos mais importantes para o controle das plantas daninhas, sendo preciso que o herbicida seja absorvido, translocado e que ele alcance os cloroplastos das células das folhas para ...
R Araldi, E.D Velini, M Girotto, C.A Carbonari, S.P Jasper, M.L.B Trindade   +5 more
doaj   +1 more source