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Registro Completo |
Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
16/08/1993 |
Data da última atualização: |
15/02/2023 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
FERRAZ, J. M. G.; PATEL, P. M.; HABIB, M. E. M. |
Afiliação: |
JOSE MARIA G. FERRAZ, EMBRAPA-CNPMA; P. M. PATEL, EMBRAPA-CNPMA; M. E. M. HABIB, EMBRAPA-CNPMA. |
Título: |
Cross infection of strains of Nomuraea rileyi isolated from Spodoptera frugiperda and Anticarsia gemmatalis. |
Ano de publicação: |
1991 |
Fonte/Imprenta: |
In: INTERNATIONAL PLANT PROTECTION CONGRESS, 12., 1991, Rio de Janeiro. Oral and poster sessions - program and abstracts. Rio de Janeiro: [s.n.], 1991. |
Páginas: |
n.p |
Idioma: |
Inglês |
Conteúdo: |
Many authors suggest the advantages of the intercropping of soybeans with maize or the cultivations of maize after the soybean crop, due to the increase of the inoculum potential that would be favoured by epizootics of N. rileyi, common in A. gemmatalis in soybeans crops. Based on the informations this work was developded. N. rileyi was isolated from dead larvae of A. gemmatalis and S. frugiperda. Larvae of A. gemmatalis were infected with N. rileyi isolated from S. frugiperda and vice-versa. A suspension of 3 X 107 spores/ml of N. rileyi was used to infect the larvae at the 4th instar. It were used 20 larvae and 3 replicates for each treatment: 1. A gemmatalis was inoculated with N. rileyi isolated from A. gemmatalis; 2. S frugiperda inoculated with N. rileyifrom A. gemmatalis; 3. S. frugiperda inoculated with N. rileyi from S. frugiperda; 4. A. gemmatalis inoculated with N. rileyi from S. frugiperda and 5. the control, inoculated with sterile water. Only treatments 1 and 3 showed significant mortality (93,33% and 100% respectively). From these results we can estimate that the strains of N. rileyi used are very specific for the species of noctuidae from wich they were isolated; and so, there is no advantage on the cultural practices suggested for this case. |
Palavras-Chave: |
Caterpillar; Fungus; Insect; Soya; Soyabean. |
Thesagro: |
Anticarsia Gemmatalis; Nomuraea Rileyi; Spodoptera Frugiperda. |
Thesaurus Nal: |
biological control. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/10806/1/1449PCFerraz-CrossInfection-1449.PDF
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Marc: |
LEADER 02116nam a2200253 a 4500 001 1010806 005 2023-02-15 008 1991 bl uuuu u00u1 u #d 100 1 $aFERRAZ, J. M. G. 245 $aCross infection of strains of Nomuraea rileyi isolated from Spodoptera frugiperda and Anticarsia gemmatalis.$h[electronic resource] 260 $aIn: INTERNATIONAL PLANT PROTECTION CONGRESS, 12., 1991, Rio de Janeiro. Oral and poster sessions - program and abstracts. Rio de Janeiro: [s.n.], 1991.$c1991 300 $an.p 520 $aMany authors suggest the advantages of the intercropping of soybeans with maize or the cultivations of maize after the soybean crop, due to the increase of the inoculum potential that would be favoured by epizootics of N. rileyi, common in A. gemmatalis in soybeans crops. Based on the informations this work was developded. N. rileyi was isolated from dead larvae of A. gemmatalis and S. frugiperda. Larvae of A. gemmatalis were infected with N. rileyi isolated from S. frugiperda and vice-versa. A suspension of 3 X 107 spores/ml of N. rileyi was used to infect the larvae at the 4th instar. It were used 20 larvae and 3 replicates for each treatment: 1. A gemmatalis was inoculated with N. rileyi isolated from A. gemmatalis; 2. S frugiperda inoculated with N. rileyifrom A. gemmatalis; 3. S. frugiperda inoculated with N. rileyi from S. frugiperda; 4. A. gemmatalis inoculated with N. rileyi from S. frugiperda and 5. the control, inoculated with sterile water. Only treatments 1 and 3 showed significant mortality (93,33% and 100% respectively). From these results we can estimate that the strains of N. rileyi used are very specific for the species of noctuidae from wich they were isolated; and so, there is no advantage on the cultural practices suggested for this case. 650 $abiological control 650 $aAnticarsia Gemmatalis 650 $aNomuraea Rileyi 650 $aSpodoptera Frugiperda 653 $aCaterpillar 653 $aFungus 653 $aInsect 653 $aSoya 653 $aSoyabean 700 1 $aPATEL, P. M. 700 1 $aHABIB, M. E. M.
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