Biological control of hemp sesbania (Sesbania exaltata) under field conditions with Colletotrichum truncatum formulated in an invert emulsion

In greenhouse experiments, conidia of Colletotrichum truncatum applied in an invert emulsion formulation controlled hemp sesbania 100% in the absence of a dew treatment. In field experiments, hemp sesbania control averaged 95 and 97% in 1989 and 1990, respectively, when this formulation was applied...

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Bibliographic Details
Published inWeed science Vol. 41; no. 3
Main Authors Boyette, C.D, Quimby, P.C. Jr, Bryson, C.T, Egley, G.H, Fulgham, F.E
Format Journal Article
LanguageEnglish
Published 01.07.1993
Subjects
ACIFLUORFEN
ACIFLUORFENE
COLLETOTRICHUM
CONTROL BIOLOGICO
CONTROL QUIMICO
DESHERBAGE
EMULSION
ESCARDA
ESPORAS
FACTEUR DU MILIEU
FACTORES AMBIENTALES
FORMULACIONES
FORMULATION
HERBICIDAS
HERBICIDE
LUTTE BIOLOGIQUE
LUTTE CHIMIQUE
MISSISSIPPI
PESTICIDE MICROBIEN
PLAGUICIDAS MICROBIANOS
ROCIO
ROSEE
SESBANIA
SPORE
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Summary:In greenhouse experiments, conidia of Colletotrichum truncatum applied in an invert emulsion formulation controlled hemp sesbania 100% in the absence of a dew treatment. In field experiments, hemp sesbania control averaged 95 and 97% in 1989 and 1990, respectively, when this formulation was applied to hemp sesbania seedlings using tractor-mounted, air-assist nozzles. This level of weed control was comparable to that achieved from the herbicide acifluorfen. These results indicate that C. truncatum has excellent potential as a mycoherbicide for controlling hemp sesbania and that this potential can be augmented by formulating the pathogen as an invert emulsion
Bibliography:P40
9441228
H60
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500052243