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Bragantia

Print version ISSN 0006-8705On-line version ISSN 1678-4499

Bragantia vol.41 no.1 Campinas  1982

https://doi.org/10.1590/S0006-87051982000100021 

NOTAS

 

Oviposição de Bemisia tabaci (genn.) (Homoptera: aleyrodidae) em três variedades de soja sem chance de escolha

 

Oviposition of Bemisia tabaci (genn.) (homoptera:aleyrobidae) on three soybean varieties in a non-choice type of experiment

 

 

André Luiz LourençãoI, *; Valdir Atsushi YukiII

ISeção de Entomologia Fitotécnica, IAC
IISeção de Virologia Fitotécnica, Instituto Agronômico, IAC

 

 


SUMMARY

A non-choice type of experiment was conducted in a greenhouse at Campinas to study the oviposition of B. tabaci on two introductions (PI 171451 and PI 229358) and one commercial variety (Santa Rosa) of soybean.
Previously these introductions were less oviposited by the whitefly in a free-choice type of experiment when compared to commercial varieties.
The observed average number of eggs per square centimeter of leaf were 0.82, 0.42 and 0.41 for 'Santa Rosa' susceptible, PI 171451 (resistant) and PI 229358 (resistant), respectively.
These results showed that the lower rate of for oviposition observed previously is maintained when the insect does not have a chance to oviposit on a susceptible variety.


 

 

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Full text available only in PDF format.

 

 

REFERÊNCIAS BIBLIOGRÁFICAS

1. CLARK, W. J.; HARRIS, F. A.; MAXWELL, F. G.; HARTWIG, E. E. Resistance of certain soybean cultivars to bean leaf beetle, striped blister beetle and bollworm. Journal of Economic Entomology, 65(6) :1669-1672, 1972.        [ Links ]

2. COSTA, A. S.; COSTA, C. L.; SAUER, H. F. G. Surto da mosca-branca em culturas do Paraná e São Paulo. Anais da Sociedade Entomológica do Brasil, Piracicaba. 2(1):20-30, 1973.        [ Links ]

3. HATCHETT, J. H.; BELAND, G. L.; HARTWIG, E. E. Leaffeeding resistance to bollworm and tobacco budworm in three soybean plant introductions. Crop Science, 16(2):277-280, 1976.        [ Links ]

4. LINK, D.; ALVAREZ F.°, A.; CONCATTO, L. C. Plantas hospedeiras da mosca-branca Bemisia tabaci (Genn.) (Homoptera: Aleyrodidae) em Santa Maria, RS. Revista do Centro de Ciências Rurais, Santa Maria, 9(1):55-59, 1979.        [ Links ]

5. ROSSETTO, D.; COSTA, A. S.; MIRANDA, M. A. C.; NAGAI, V.; ABRAMIDES, E. Diferenças na oviposição de Bemisia tabaci em variedades de soja. Anais da Sociedade Entomológica do Brasil, Piracicaba, 6(2) :256-263, 1977.        [ Links ]

6. TURNIPSEED, S. G. & KOGAN, M. Soybean entomology. Annual Review of Entomology, 21:247-282, 1976.        [ Links ]

7. VAN DUYN, J. W.; TURNIPSEED, S. G.; MAXWELL, J. D. Resistance in soybeans to the Mexican bean beetle. I. Sources of resistance. Crop Science, 11(4):572-573. 1971.        [ Links ]

 

 

Recebida para publicação a 11 de julho de 1980.

 

 

* Com bolsa de suplementação do CNPq.

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