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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
19/09/2022 |
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Data da última atualização: |
19/09/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FARIA, S. M. de; LIMA, H. C. de; ESPIRITO SANTO, C. do. |
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Afiliação: |
SERGIO MIANA DE FARIA, CNPAB; CARMELITA DO ESPIRITO SANTO, CNPAB. |
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Título: |
Additional studies of the nodulation status of legume species in Brazil. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Plant and Soil, v. 200,p. 185-192, 1998. |
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Idioma: |
Português |
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Conteúdo: |
A survey of nodulation was carried out in seven regions of Brazil and the nodulation status of 131 legume species is reported. Nodulation is reported for the first time in 46 species and six genera, representing 35% of the examined species. Two of the genera were non-nodulating: Martiodendron and Nissolia, and four nodulating: Riedeliella, Bergeronia, Goldmania. Moreover the last tribe of Mimosoideae yet to be examined for nodulation Mimoziganthus, was shown to be nodulated. The nodulation pattern is discussed in the light of the taxonomy of the family. |
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Palavras-Chave: |
Nodule; Tree. |
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Thesaurus Nal: |
Legumes; Rhizobiaceae. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01086naa a2200193 a 4500
001 2146603
005 2022-09-19
008 1998 bl uuuu u00u1 u #d
100 1 $aFARIA, S. M. de
245 $aAdditional studies of the nodulation status of legume species in Brazil.$h[electronic resource]
260 $c1998
520 $aA survey of nodulation was carried out in seven regions of Brazil and the nodulation status of 131 legume species is reported. Nodulation is reported for the first time in 46 species and six genera, representing 35% of the examined species. Two of the genera were non-nodulating: Martiodendron and Nissolia, and four nodulating: Riedeliella, Bergeronia, Goldmania. Moreover the last tribe of Mimosoideae yet to be examined for nodulation Mimoziganthus, was shown to be nodulated. The nodulation pattern is discussed in the light of the taxonomy of the family.
650 $aLegumes
650 $aRhizobiaceae
653 $aNodule
653 $aTree
700 1 $aLIMA, H. C. de
700 1 $aESPIRITO SANTO, C. do
773 $tPlant and Soil$gv. 200,p. 185-192, 1998.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
04/09/2018 |
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Data da última atualização: |
30/11/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
VARGAS, L. A.; PASSOS, A. M. A. dos; KARAM, D. |
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Afiliação: |
Universidade Federal de Rondônia; ALEXANDRE MARTINS ABDAO DOS PASSOS, CNPMS; DECIO KARAM, CNPMS. |
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Título: |
Allelopathic potential of cover crops in control of shrubby false buttonweed (Spermacoce verticillata). |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Planta Daninha, Viçosa, MG, v. 36, article e018173359, 2018. |
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DOI: |
10.1590/S0100-83582018360100052 |
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Idioma: |
Inglês |
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Conteúdo: |
Searching for alternatives to deal with weeds without the exclusive use of herbicides can increase the sustainability of agricultural production in the Amazon region. This study aimed to evaluate the allelopathic potential of cover crops on the weed shrubby false buttonweed (Spermacoce verticillata L.). Three straw levels (1; 2.5 and 5 mg cm-2) of thirteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, C. ochroleuca, C. spectabilis, Mucuna aterrima, M. cinereum, Pennisetum glaucum, Sorghum bicolor, S. sudanense, Urochloa brizanha cv. Xaraés, U. brizantha cv. Piatã and U. ruziziensis) were assessed on germination and initial growth of weed and lettuce. We carried out two experiments (weed and lettuce) in a factorial scheme (cover crops x straw levels) with additional treatment (control without straw) in a completely randomized experimental design, with four replicates. The straw of the cover crops inhibited the germination and initial growth of the target plants. The highest straw levels promoted 44.0 and 78.8% reductions in radicle length in relation to the lowest dose (1 mg cm-2), for lettuce and Spermacoce verticillata, respectively. The highest sensitivity to allelochemicals occurred on the radicle. The major suppressive effects on weed germination were promoted by Cajanus cajan, Urochloa brizanha cv. Xaraés, Mucuna cinereum, M. aterrima, Canavalia ensiformis, Crotalaria juncea, C. spectabilis and U. ruziziensis. Cover crops use is an integrated practice management to control Spermacoce verticillata under no-tillage system. MenosSearching for alternatives to deal with weeds without the exclusive use of herbicides can increase the sustainability of agricultural production in the Amazon region. This study aimed to evaluate the allelopathic potential of cover crops on the weed shrubby false buttonweed (Spermacoce verticillata L.). Three straw levels (1; 2.5 and 5 mg cm-2) of thirteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, C. ochroleuca, C. spectabilis, Mucuna aterrima, M. cinereum, Pennisetum glaucum, Sorghum bicolor, S. sudanense, Urochloa brizanha cv. Xaraés, U. brizantha cv. Piatã and U. ruziziensis) were assessed on germination and initial growth of weed and lettuce. We carried out two experiments (weed and lettuce) in a factorial scheme (cover crops x straw levels) with additional treatment (control without straw) in a completely randomized experimental design, with four replicates. The straw of the cover crops inhibited the germination and initial growth of the target plants. The highest straw levels promoted 44.0 and 78.8% reductions in radicle length in relation to the lowest dose (1 mg cm-2), for lettuce and Spermacoce verticillata, respectively. The highest sensitivity to allelochemicals occurred on the radicle. The major suppressive effects on weed germination were promoted by Cajanus cajan, Urochloa brizanha cv. Xaraés, Mucuna cinereum, M. aterrima, Canavalia ensiformis, Crotalaria juncea, C. spectabilis and U. ruziziensis. Cover crops use is an integrated prac... Mostrar Tudo |
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Palavras-Chave: |
Método sanduíche. |
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Thesagro: |
Alelopatia; Erva Daninha; Leguminosa; Palha; Planta de Cobertura; Vassourinha. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/182425/1/Allelopathic-potential.pdf
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Marc: |
LEADER 02308naa a2200241 a 4500
001 2095052
005 2018-11-30
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1590/S0100-83582018360100052$2DOI
100 1 $aVARGAS, L. A.
245 $aAllelopathic potential of cover crops in control of shrubby false buttonweed (Spermacoce verticillata).$h[electronic resource]
260 $c2018
520 $aSearching for alternatives to deal with weeds without the exclusive use of herbicides can increase the sustainability of agricultural production in the Amazon region. This study aimed to evaluate the allelopathic potential of cover crops on the weed shrubby false buttonweed (Spermacoce verticillata L.). Three straw levels (1; 2.5 and 5 mg cm-2) of thirteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, C. ochroleuca, C. spectabilis, Mucuna aterrima, M. cinereum, Pennisetum glaucum, Sorghum bicolor, S. sudanense, Urochloa brizanha cv. Xaraés, U. brizantha cv. Piatã and U. ruziziensis) were assessed on germination and initial growth of weed and lettuce. We carried out two experiments (weed and lettuce) in a factorial scheme (cover crops x straw levels) with additional treatment (control without straw) in a completely randomized experimental design, with four replicates. The straw of the cover crops inhibited the germination and initial growth of the target plants. The highest straw levels promoted 44.0 and 78.8% reductions in radicle length in relation to the lowest dose (1 mg cm-2), for lettuce and Spermacoce verticillata, respectively. The highest sensitivity to allelochemicals occurred on the radicle. The major suppressive effects on weed germination were promoted by Cajanus cajan, Urochloa brizanha cv. Xaraés, Mucuna cinereum, M. aterrima, Canavalia ensiformis, Crotalaria juncea, C. spectabilis and U. ruziziensis. Cover crops use is an integrated practice management to control Spermacoce verticillata under no-tillage system.
650 $aAlelopatia
650 $aErva Daninha
650 $aLeguminosa
650 $aPalha
650 $aPlanta de Cobertura
650 $aVassourinha
653 $aMétodo sanduíche
700 1 $aPASSOS, A. M. A. dos
700 1 $aKARAM, D.
773 $tPlanta Daninha, Viçosa, MG$gv. 36, article e018173359, 2018.
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