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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo; Embrapa Semiárido. |
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Data corrente: |
25/07/1996 |
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Data da última atualização: |
22/12/2017 |
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Autoria: |
WAQUIL, J. M. |
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Título: |
Resistance modality of resistant hybrid sorghum to sorghum midge (Diptera: cecidomyiidae). |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Texas: Texas A&M University, 1985. |
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Páginas: |
75p. |
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Idioma: |
Inglês |
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Notas: |
Doctor Sc. Thesis. |
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Conteúdo: |
Using the sorghum midge, Contarinia sorghicola (Coquillett), sorghum midge resistant hybrid ATx2755 X Tx2767 and the sorghum midge suceptible hybrid ATx2752 X Tx430, the resistant mechanisms and several aspects of sorghum resistance to sorghum midge were examined under field conditions from 1982 to 1984 at College Station, Texas. Based on the number of adult female midges captured per flowering panicle, about 1/3 more female midges visited flowering panicles of the susceptible than the resistant hybrid. Also, about 1/4 more female midges were captured on flowering panicles of either hybrid which had not been previously midge infested compared to when panicles had already been infested. The number of eggs laid in the spikelets by 20 caged females per panicle orby naturally ocurring females in the field, was from 4 to 5 times greater in spikelets of the susceptible than the resistant hybrid. Sorghum midge females searched flowers of the resistant hybrid more rapidly than flowers of the susceptible hybrid; however, the time spent attempting to oviposit was longer on the resistant hybrid. Also, the frequency of oviposition sucess was much lower, about 4 times, in flowers of the resistant than the susceptible hybrid. These results support that nonpreference for oviposition is an important resistance mechanism of resistant hybrid to sorghum midge. The development of immature midges in spikelets of the resistant and susceptible hybrid was evaluated by periodically collecting samples of spikelets from controlled (...) MenosUsing the sorghum midge, Contarinia sorghicola (Coquillett), sorghum midge resistant hybrid ATx2755 X Tx2767 and the sorghum midge suceptible hybrid ATx2752 X Tx430, the resistant mechanisms and several aspects of sorghum resistance to sorghum midge were examined under field conditions from 1982 to 1984 at College Station, Texas. Based on the number of adult female midges captured per flowering panicle, about 1/3 more female midges visited flowering panicles of the susceptible than the resistant hybrid. Also, about 1/4 more female midges were captured on flowering panicles of either hybrid which had not been previously midge infested compared to when panicles had already been infested. The number of eggs laid in the spikelets by 20 caged females per panicle orby naturally ocurring females in the field, was from 4 to 5 times greater in spikelets of the susceptible than the resistant hybrid. Sorghum midge females searched flowers of the resistant hybrid more rapidly than flowers of the susceptible hybrid; however, the time spent attempting to oviposit was longer on the resistant hybrid. Also, the frequency of oviposition sucess was much lower, about 4 times, in flowers of the resistant than the susceptible hybrid. These results support that nonpreference for oviposition is an important resistance mechanism of resistant hybrid to sorghum midge. The development of immature midges in spikelets of the resistant and susceptible hybrid was evaluated by periodically collecting sampl... Mostrar Tudo |
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Palavras-Chave: |
Diptera cecidomiidae; Hbrids; Pest; Resistance; Sorghum midge; Sorgo hibrido. |
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Thesagro: |
Contarinia Sorghicola; Inseto; Praga; Resistência; Sorghum Bicolor; Sorgo. |
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Thesaurus Nal: |
Insecta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02276nam a2200289 a 4500
001 1474476
005 2017-12-22
008 1985 bl uuuu m 00u1 u #d
100 1 $aWAQUIL, J. M.
245 $aResistance modality of resistant hybrid sorghum to sorghum midge (Diptera$bcecidomyiidae).
260 $aTexas: Texas A&M University$c1985
300 $a75p.
500 $aDoctor Sc. Thesis.
520 $aUsing the sorghum midge, Contarinia sorghicola (Coquillett), sorghum midge resistant hybrid ATx2755 X Tx2767 and the sorghum midge suceptible hybrid ATx2752 X Tx430, the resistant mechanisms and several aspects of sorghum resistance to sorghum midge were examined under field conditions from 1982 to 1984 at College Station, Texas. Based on the number of adult female midges captured per flowering panicle, about 1/3 more female midges visited flowering panicles of the susceptible than the resistant hybrid. Also, about 1/4 more female midges were captured on flowering panicles of either hybrid which had not been previously midge infested compared to when panicles had already been infested. The number of eggs laid in the spikelets by 20 caged females per panicle orby naturally ocurring females in the field, was from 4 to 5 times greater in spikelets of the susceptible than the resistant hybrid. Sorghum midge females searched flowers of the resistant hybrid more rapidly than flowers of the susceptible hybrid; however, the time spent attempting to oviposit was longer on the resistant hybrid. Also, the frequency of oviposition sucess was much lower, about 4 times, in flowers of the resistant than the susceptible hybrid. These results support that nonpreference for oviposition is an important resistance mechanism of resistant hybrid to sorghum midge. The development of immature midges in spikelets of the resistant and susceptible hybrid was evaluated by periodically collecting samples of spikelets from controlled (...)
650 $aInsecta
650 $aContarinia Sorghicola
650 $aInseto
650 $aPraga
650 $aResistência
650 $aSorghum Bicolor
650 $aSorgo
653 $aDiptera cecidomiidae
653 $aHbrids
653 $aPest
653 $aResistance
653 $aSorghum midge
653 $aSorgo hibrido
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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| Registros recuperados : 356 | |
| 17. |  | WAQUIL, J. M. Manejo integrado de pragas: revisão histórica e perspectivas. In: CONGRESSO NACIONAL DE MILHO E SORGO, 24., 2002, Florianópolis, SC. Meio ambiente e a nova agenda para o agronegócio de milho e sorgo: [resumos expandidos]. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Florianópolis: Epagri, 2002.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 19. | | WAQUIL, J. M. Programa nacional de pesquisa de sorgo. In: EMBRAPA. Centro de Nacional de Pesquisa de Milho e Sorgo. Relatório técnico anual do Centro Nacional de Pesquisa de Milho e Sorgo 1988-1991. Sete Lagoas, 1992. p. 18-19.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 20. | | WAQUIL, J. M. Sorgo en Brasil. In: SEMINARIO INTERNACIONAL SOBRE EL CULTIVO DEL SORGO, 1991, Cali. Sorgo para el futuro. Cali: FENALCE: IICA: INTSORMIL, 1991. p. 116-122.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Milho e Sorgo. |
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| Registros recuperados : 356 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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