Field application of Bacillus thuringiensis and Anagrapha falcifera multiple nucleopolyhedrovirus against the corn earworm, (Lepidoptera: Noctuidae)

Field evaluations were made of relative efficacy of 2 subspecies of Bacillus thuringiensis Berliner and Anagrapha falcifera multiple nucleopolyhedrovirus (AfMNPV) to control Helicoverpa zea (Boddie) on corn ears. Also, the compatibility of a starch-based additive--a 1:1 mixture of starch (Mirasperse...

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Bibliographic Details
Published in:Journal of economic entomology 1997-10, Vol.90 (5), p.1195-1199
Main Authors: Pingel, R.L, Lewis, L.C
Format: Article
Language:English
Subjects:
ALMIDON
AMIDON
AUXILIAIRE DE LUTTE BIOLOGIQUE
BACILLUS THURINGIENSIS
BACILLUS THURINGIENSIS SUBSP. AIZAWAI
BACILLUS THURINGIENSIS SUBSP. KURSTAKI
Biological and medical sciences
BIOLOGICAL CONTROL
BIOLOGICAL CONTROL ORGANISMS
Control
CONTROL BIOLOGICO
CROP LOSSES
EFFICACY
ENCAPSULACION
ENCAPSULATION
FORMULACIONES
FORMULATION
FORMULATIONS
Fundamental and applied biological sciences. Psychology
HELICOVERPA ZEA
INSECTICIDAS
INSECTICIDE
INSECTICIDES
INVERTEBRATE VIRUSES
IOWA
LUTTE BIOLOGIQUE
MICROBIAL PESTICIDES
NOCTUIDAE
NUCLEAR POLYHEDROSIS VIRUS
ORGANISMOS PARA CONTROL BIOLOGICO
PERDIDAS DE LA COSECHA
PERTE DE RECOLTE
PESTICIDE MICROBIEN
Phytopathology. Animal pests. Plant and forest protection
PLAGUICIDAS MICROBIANOS
Protozoa. Invertebrates
STARCH
STARCH ENCAPSULATION
VIRUS DE INVERTEBRADOS
VIRUS DES INVERTEBRES
VIRUS POLIEDROSIS NUCLEAR
VIRUS POLYEDROSE NUCLEAIRE
ZEA MAYS
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Summary:Field evaluations were made of relative efficacy of 2 subspecies of Bacillus thuringiensis Berliner and Anagrapha falcifera multiple nucleopolyhedrovirus (AfMNPV) to control Helicoverpa zea (Boddie) on corn ears. Also, the compatibility of a starch-based additive--a 1:1 mixture of starch (Mirasperse) and sucrose--was determined when added to the entomopathogens. Applications of the 3 pathogens significantly decreased the percentage of ears damaged by H. zea and increased the percentage of ears with no damage and marketable ears. AfMNPV was as good as or better than the B. thuringiensis products in protecting the corn ear. The starch additive was determined to be compatible with the pathogens but did not enhance their activity
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/90.5.1195