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Effect of two dosages of Metarhizium anisopliae var. acridum against Rhammatocerus schistocercoides Rehn. Repositório Alice
FARIA, M. R. de F.; MAGALHAES, B. P.; ALVES, R. T.; SCHMIDT, F. G. V.; SILVA, J. B. T. da; FRAZAO, H..
The fungs Metarhizizium anisopliae var. acridum, strain CG 423, was tested under fiel conditions against the gregarious grasshopper Rhannatocerus schistocercoides (Rehn) (Orthoptera: Acrididae). Conidia formulated in a rancemic mixture of soybean oil and kerosene were sprayed under field conditions using na ultralow-volume hand-held atomizer Ulva Plus adjusted to deliver 2.9 L/há. Bands composed of 2 nd instar nymphs were treated eitheir 5.0x 1012nor 1.0x1013 viable conidia/ha. The number of insects in each band was estimated at day one following spraying and by the field trial ( 15 to 16 days pos-treatment). Reductions in population size reached, in average, 65.5% for bands treated with the higher and lower dosage, respectively. For both dosages, total...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Cerrado; Controle biologico; Gafanhoto; Pesticida; Fungo; Biological control; Microbial pesticide; Entomogenous fungus; Grasshopper; Oil formulation.
URL: http://www.alice.cnptia.embrapa.br/handle/doc/566049
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Effect of two dosages of Metarhizium anisopliae var. acridum against Rhammatocerus schistocercoides Rehn. Repositório Alice
FARIA, M.R. de; MAGALHÃES, B.P.; ALVES, R.T.; SCHMIDT, F.G.V.; SILVA, J.B.T. da; FRAZÃO, H..
The fungus Metarhizium anisopliae var. acridum, strain CG 423, was tested under field conditions against the gregarious grasshopper Rhammatocerus schistocercoides (Rehn) (Orthoptera: Acrididae). Conidia formulated in a racemic mixture of soybean oil and kerosene were sprayed under field conditions using an ultralow-volume hand-held atomizer Ulva Plus adjusted to deliver 2.9 L/ha. Bands composed of 2nd instar nymphs were treated with either 5.0x1012 or 1.0x1013 viable conidia/ha. The number of insects in each band was estimated at day one following spraying and by the end of the field trial (15 to 16 days post-treatment). Reductions in population size reached, in average, 65.8% and 80.4% for bands treated with the higher and lower dosage, respectively. For...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biological control; Microbial pesticide; Entomogenous fungus; Grasshopper; Oil formulation; Controle biológico; Pesticida microbiano; Fungo entomopatogênico; Gafanhoto; Formulação oleosa.
Ano: 2002 URL: http://www.alice.cnptia.embrapa.br/handle/doc/108797
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Effect of two dosages of Metarhizium anisopliae var. acridum against Rhammatocerus schistocercoides Rehn PAB
Faria,Marcos Rodrigues de; Magalhães,Bonifácio Peixoto; Alves,Roberto Teixeira; Schmidt,Francisco Guilherme Vergolino; Silva,João Batista Tavares da; Frazão,Heloísa.
The fungus Metarhizium anisopliae var. acridum, strain CG 423, was tested under field conditions against the gregarious grasshopper Rhammatocerus schistocercoides (Rehn) (Orthoptera: Acrididae). Conidia formulated in a racemic mixture of soybean oil and kerosene were sprayed under field conditions using an ultralow-volume hand-held atomizer Ulva Plus adjusted to deliver 2.9 L/ha. Bands composed of 2nd instar nymphs were treated with either 5.0x10(12) or 1.0x10(13) viable conidia/ha. The number of insects in each band was estimated at day one following spraying and by the end of the field trial (15 to 16 days post-treatment). Reductions in population size reached, in average, 65.8% and 80.4% for bands treated with the higher and lower dosage, respectively....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Microbial pesticide; Entomogenous fungus; Grasshopper; Oil formulation.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2002001100003
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Field trial with the entomopathogenic fungus Metarhizium anisopliae var. acridum agains bands of the grasshopper Rhammatocerus schistocercoides in Brazil. Repositório Alice
MAGALHAES, B. P.; LECOQ, M.; FARIA, M. R. de; SCHMIDT, F. G. V.; GUERRA, W. D..
bitstream/item/177670/1/ID-226841.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Entomogenous fungus; Grasshopper Rhammatocerus schistocercoides; Brasil; Fungo Entomógeno; Metarhizium Anisopliae; Metarhizium flavoviride; Brazil.
Ano: 2000 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/183897
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Optimization of nutritional requirements for mycelial growth and sporulation of entomogenous fungus Aschersonia aleyrodis Webber BJM
Zhu,Yanping; Pan,Jieru; Qiu,Junzhi; Guan,Xiong.
The objective of the present study was to investigate the optimal nutritional requirements for mycelial growth and sporulation of entomopathogenic fungus Aschersonia aleyrodis Webber by orthogonal layout methods. Herein the order of effects of nutrient components on mycelial growth was tryptone > Ca2+ > soluble starch > folacin, corresponding to the following optimal concentrations: 1.58% Soluble Starch, 3.16% Tryptone, 0.2 mmol l-1 Ca2+ and 0.005% Folacin. The optimal concentration of each factors for sporulation was 1.16% lactose, 0.394% tryptone, 0.4 mmol l-1 Fe2+ and 0.00125% V B1, and the effects of medium components on sporulation were found to be in the order lactose > V B1 > Fe2+ > tryptone. Under the optimal culture conditions,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Entomogenous fungus; Orthogonal matrix method; Mycelial growth; Sporulation.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000400032
Registros recuperados: 5
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