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| Registros recuperados : 606 | |
| Registros recuperados : 606 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
21/09/1998 |
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Data da última atualização: |
12/12/2019 |
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Autoria: |
AMORIM, E. P. R.; FAULL, J. L.; MELO, I. S. de. |
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Afiliação: |
EMBRAPA-CNPMA; ITAMAR SOARES DE MELO, CNPMA. |
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Título: |
Biological control of Phytophthora citrophthora and P. nicotianae var. parasitica on citros by Trichoderma koningii and T. harzianum. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
In: INTERNATIONAL MYCOLOGICAL CONGRESS, 6., 1998, Jerusalem. Abstracts. Jerusalem: [s.n.], 1998. |
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Páginas: |
p. 25 |
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Idioma: |
Inglês |
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Conteúdo: |
Phytophthora citrophthora and P. nicotianae var. parasitica are considered to be the most serious soil borne disease affecting citros in Brazil. Biological control of Phytophthora in the orchard is a management option that may ofter potential. Trichoderma spp. are well documented as effective biological control agents, including some pythiaceous fungi. Two isolates of Trichoderma harzianum (Th. 13 and Th. 9) and one isolate of T. koningii (TK.3), Isolated from Sclerotinia sclerotiorum sclerotia, were evaluated against different isolates of Phytophthora in vitro and in a greenhouse bioassay. Isolates Th.13 and Th.9 parasited both Phytophthora species. Isolate Tk.3 completly inhibited the mycelial growth of Phytophthora. Isolate Tk.3 produces a toxic metabolite that inhibit the growth of Phytophthora. Isolate Th.9 consistently was superior to all other isolates in reducing the root disease. Citros seedlings survived an average of 90% whereas those in the contol survived only 30-50%. |
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Palavras-Chave: |
Nicotianae; Phytophtora citrophtora. |
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Thesaurus NAL: |
biological control; Trichoderma koningii. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/206922/1/Amorim-Biological.pdf
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Marc: |
LEADER 01680nam a2200193 a 4500
001 1012985
005 2019-12-12
008 1998 bl uuuu u00u1 u #d
100 1 $aAMORIM, E. P. R.
245 $aBiological control of Phytophthora citrophthora and P. nicotianae var. parasitica on citros by Trichoderma koningii and T. harzianum.$h[electronic resource]
260 $aIn: INTERNATIONAL MYCOLOGICAL CONGRESS, 6., 1998, Jerusalem. Abstracts. Jerusalem: [s.n.], 1998.$c1998
300 $ap. 25
520 $aPhytophthora citrophthora and P. nicotianae var. parasitica are considered to be the most serious soil borne disease affecting citros in Brazil. Biological control of Phytophthora in the orchard is a management option that may ofter potential. Trichoderma spp. are well documented as effective biological control agents, including some pythiaceous fungi. Two isolates of Trichoderma harzianum (Th. 13 and Th. 9) and one isolate of T. koningii (TK.3), Isolated from Sclerotinia sclerotiorum sclerotia, were evaluated against different isolates of Phytophthora in vitro and in a greenhouse bioassay. Isolates Th.13 and Th.9 parasited both Phytophthora species. Isolate Tk.3 completly inhibited the mycelial growth of Phytophthora. Isolate Tk.3 produces a toxic metabolite that inhibit the growth of Phytophthora. Isolate Th.9 consistently was superior to all other isolates in reducing the root disease. Citros seedlings survived an average of 90% whereas those in the contol survived only 30-50%.
650 $abiological control
650 $aTrichoderma koningii
653 $aNicotianae
653 $aPhytophtora citrophtora
700 1 $aFAULL, J. L.
700 1 $aMELO, I. S. de
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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