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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
22/03/2000 |
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Data da última atualização: |
22/03/2000 |
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Autoria: |
SMITH, E. G.; RICHARDSON, J. W.; KNUTSON, R. D. |
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Título: |
Cost and pecuniary economies in cotton production and marketing: a study of Texas southern high plains cotton producers. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Texas: 1984. |
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Páginas: |
19p. |
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Idioma: |
Inglês |
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Conteúdo: |
Introduction; Economies of size; Input economies; Vertical integration; Market economies; |
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Palavras-Chave: |
Economic. |
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Thesagro: |
Algodão; Economia; Gossypium Hirsutum. |
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Thesaurus Nal: |
cotton. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00648nam a2200205 a 4500
001 1271159
005 2000-03-22
008 1984 bl uuuu u0uu1 u #d
100 1 $aSMITH, E. G.
245 $aCost and pecuniary economies in cotton production and marketing$ba study of Texas southern high plains cotton producers.
260 $aTexas: 1984.$c1984
300 $a19p.
520 $aIntroduction; Economies of size; Input economies; Vertical integration; Market economies;
650 $acotton
650 $aAlgodão
650 $aEconomia
650 $aGossypium Hirsutum
653 $aEconomic
700 1 $aRICHARDSON, J. W.
700 1 $aKNUTSON, R. D.
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Registro original: |
Embrapa Algodão (CNPA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
29/07/2004 |
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Data da última atualização: |
06/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COSTA, J. L. da S.; MENGE, J. A.; CASALE, W. L. |
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Afiliação: |
JEFFERSON LUIS DA SILVA COSTA, CNPAF; JOHN A. MENGE; WILLIAN L. CASALE. |
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Título: |
Biological control of Phytophthora root rot of avocado with microorganisms grown in organic mulches. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Brazilian Journal of Microbiology, v. 31, n. 4, p. 239-246, Oct./Dec. 2000. |
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DOI: |
https://doi.org/10.1590/S1517-83822000000400002 |
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Idioma: |
Inglês |
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Conteúdo: |
Organic mulches colonized with microbial biocontrol agents, termed bioenhanced mulches, were tested for their ability to reduce Phytophthora root rot of avocado (Persea americana Mill.). Benomyl-resistant mutants of Gliocladium virens (KA 230-1) and Trichoderma harzianum (KA 159.2) isolated from suppressive soils and selected as efficient antagonists of P. cinnamomi were evaluated for their ability to colonize different mulches under controlled laboratory conditions. Sudangrass and a coarse yardwaste were found to be better substrates than a fine yardwaste, woodwaste or rice hulls for biocontrol agents propagules production. The most suitable conditions for colonization were an optimum temperature of 24°C, a moisture content of 20% for sudangrass and 30% for the coarse yardwaste, and a continuous light exposure during a 15-day incubation period. In the greenhouse, fresh sudangrass and a coarse yardwaste colonized with G. virens and used as a surface mulch proved to be the best combination for reducing the population of P. cinnamomi in 4-liter pots containing artificially-infested soil. Healthy avocado roots made up 31-37% of the roots in the G. virens-mulch combinations compared to 0% healthy in infested controls after two months. |
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Palavras-Chave: |
Avocado; Gliocladium virens; Phytophthora cinnamoni. |
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Thesagro: |
Trichoderma Harzianum. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/80138/1/Costa-BJM.pdf
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Marc: |
LEADER 01942naa a2200205 a 4500
001 1212442
005 2022-04-06
008 2000 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S1517-83822000000400002$2DOI
100 1 $aCOSTA, J. L. da S.
245 $aBiological control of Phytophthora root rot of avocado with microorganisms grown in organic mulches.$h[electronic resource]
260 $c2000
520 $aOrganic mulches colonized with microbial biocontrol agents, termed bioenhanced mulches, were tested for their ability to reduce Phytophthora root rot of avocado (Persea americana Mill.). Benomyl-resistant mutants of Gliocladium virens (KA 230-1) and Trichoderma harzianum (KA 159.2) isolated from suppressive soils and selected as efficient antagonists of P. cinnamomi were evaluated for their ability to colonize different mulches under controlled laboratory conditions. Sudangrass and a coarse yardwaste were found to be better substrates than a fine yardwaste, woodwaste or rice hulls for biocontrol agents propagules production. The most suitable conditions for colonization were an optimum temperature of 24°C, a moisture content of 20% for sudangrass and 30% for the coarse yardwaste, and a continuous light exposure during a 15-day incubation period. In the greenhouse, fresh sudangrass and a coarse yardwaste colonized with G. virens and used as a surface mulch proved to be the best combination for reducing the population of P. cinnamomi in 4-liter pots containing artificially-infested soil. Healthy avocado roots made up 31-37% of the roots in the G. virens-mulch combinations compared to 0% healthy in infested controls after two months.
650 $aTrichoderma Harzianum
653 $aAvocado
653 $aGliocladium virens
653 $aPhytophthora cinnamoni
700 1 $aMENGE, J. A.
700 1 $aCASALE, W. L.
773 $tBrazilian Journal of Microbiology$gv. 31, n. 4, p. 239-246, Oct./Dec. 2000.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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