Influence of adjuvants and formulation on Barnyardgrass (Echinochloa crus-galli) control with propanil in rice (Oryza sativa)

Experiments were conducted to compare barnyardgrass control and rice injury and yield with emulsifiable concentrate and dry flowable formulations of propanil as single or repeat applications with crop oil concentrate, methylated seed oil, a blend of organosilicone surfactant and methylated seed oil...

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Bibliographic Details
Published in:Weed technology 1997-10, Vol.11 (4), p.762-766
Main Authors: Jordan, D.L. (Louisiana State University Agricultural Center, St. Joseph.), Burns, A.B, Barnes, C.J, Barnett, W, Herrick, J.K
Format: Article
Language:English
Subjects:
ABIOTIC INJURIES
ADJUVANT
ADJUVANTS
APPLICATION DATE
Biological and medical sciences
CHEMICAL CONTROL
CHOIX DE LA DATE
COADYUVANTES
COMPOSE ORGANIQUE
COMPUESTOS ORGANICOS
CONTROL QUIMICO
CROP LOSSES
CROP OIL CONCENTRATE
CROP YIELD
DATE D'APPLICATION
DESHERBAGE
DRY FLOWABLE FORMULATIONS
ECHINOCHLOA CRUS GALLI
ELECCION DE LA EPOCA
EMULSIFIABLE CONCENTRATES
ESCARDA
Extension education
Factorials
FECHA DE APLICACION
FITOTOXICIDAD
FORMULACIONES
FORMULATION
FORMULATIONS
Fundamental and applied biological sciences. Psychology
Herbicides
LOUISIANA
LOUISIANE
LUISIANA
LUTTE CHIMIQUE
METHYLATED SEED OILS
NONIONIC SURFACTANTS
ORGANIC COMPOUNDS
ORYZA SATIVA
Parasitic plants. Weeds
PERDIDAS DE LA COSECHA
PERTE DE RECOLTE
Phytopathology. Animal pests. Plant and forest protection
PHYTOTOXICITE
PHYTOTOXICITY
PROPANIL
RENDEMENT DES CULTURES
RENDIMIENTO DE CULTIVOS
Rice
SEQUENTIAL APPLICATIONS
SILICIO
SILICIUM
SILICON
SURFACE ACTIVE AGENTS
SURFACTANT
SURFACTANTES
SURFACTANTS
TIMING
WEED CONTROL
Weeds
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Description
Summary:Experiments were conducted to compare barnyardgrass control and rice injury and yield with emulsifiable concentrate and dry flowable formulations of propanil as single or repeat applications with crop oil concentrate, methylated seed oil, a blend of organosilicone surfactant and methylated seed oil or conventional nonionic surfactant, and organosilicone surfactant. Two applications of propanil were more effective in controlling barnyardgrass than a single application. The emulsifiable concentrate formulation of propanil controlled barnyardgrass more effectively than the dry flowable formulation in some but not all experiments. Differences in barnyardgrass control with propanil as influenced by adjuvants were minor and inconsistent. The most consistent barnyardgrass control and the highest rice yields were obtained with repeat applications of the emulsifiable concentrate formulation of propanil.
ISSN:0890-037X
1550-2740
DOI:10.1017/s0890037x00043402