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Anatomy of the underground system in Vernonia grandiflora Less. and V. brevifolia Less. (Asteraceae) BABT
Hayashi,Adriana Hissae; Appezzato-da-Glória,Beatriz.
This work dealt with the anatomy of the underground system in Vernonia grandiflora Less. and V. brevifolia Less. (Vernonieae; Asteraceae), two perennial geophytes, to elucidate their ability to sprout in the Brazilian Cerrado conditions. V. grandiflora, a subshrubby species, possessed a thickened underground system constituted by a xylopodium and many tuberous roots. The xylopodium had stem and root structure and its buds were axillary or originated from the cortical parenchyma proliferation. The tuberous roots produced by this organ were adventitious and accumulated inulin-type fructans mainly in the cortical parenchyma. The thickened underground system of V. brevifolia, an herbaceous species, was a tuberous primary root whose buds originated from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bud; Tuberous root; Xylopodium; Fructan; Cerrado.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000700009
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Efeito de alguns produtos quimicos na brotacao da videira Pirovano 65 na regiao Semi-Arida do vale do Sao Francisco. Repositório Alice
ALBUQUERQUE, J. A. S. de; SOBRAL, S. M. do N..
Com o objetivo de se determinar qual o mais eficiente produto quimico na brotacao da videira cv. Italia, foi conduzido um experimento sob condicoes irrigadas na regiao semi-arida do vale do Sao Francisco. Os produtos quimicos utilizados ethephon, H2CN2, CaCN2 e ethephon + H2CN2, foram significativamente superiores a testemunha no que se refere a percentagem de gemas brotadas e numero de cachos, nao influiram no parametro solidos soluveis (Brix). O tratamento H2CN2 foi o mais eficiente dentre os produtos utilizados; no entanto, seu uso, como dos demais produtos citados vai depender do custo.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Regiao semi-arida; Vale do Sao Francisco; Bud; Semi-arid region; San Francisco Valley; Uva; Brotacao; Regulador de Crescimento; Vitis; Grapes; Plant growth substances.
Ano: 1989 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/131372
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Influence of cutting on rooting, budding and death of grafting stock grape cv. IAC 766. Repositório Alice
LEAO, P. C. de S.; RAMOS, C. M. C..
In the San Francisco Valleu, the grape crop assumes great social and economic importance. Grape scion growers are greatly interested in any technique that results in maximum yield of scion per plant. This work aimed at evaluating the influence of kind of cutting with variable bud number on rooting, budding and death percentage of grape scions. A trial was carried out at Brazilian Agricultural Research Cooporation nursery at Petrolina,PE, Northeastern Brazil, in a randomized design, with four replications and four treatments: 1) herbaceous cutting with one bud, 2) herbaceous cutting with two buds, 3) ligneous cutting with one bud and 4) ligneous cutting with two buds. Each plot was composed of 25 cutting with two buds. Each plot was composed of 25 cutting...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Porta-enxerto; Grape; Root stock; Bud; Estaca; Gema; Uva; Vitis; Cutting.
Ano: 1996 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/133472
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Morpho-anatomy and ontogeny of the underground system of Chrysolaena simplex (Less.) Dematt. (Asteraceae) Anais da ABC (AABC)
Santos,Vanessa S.; Souza,Vinicius P.; Vilhalva,Divina A.A.; Ferreira,Fernanda P.S.; Paula,José R.; Rezende,Maria Helena.
The occurrence of thickened underground systems in Asteraceae is widely reported in the literature. Given the great complexity of underground systems, which may originate from roots, stems, or both, morpho-anatomical analyses are essential to ensure the use of correct terminology. The goals of this study were to describe the morpho-anatomy and ontogeny, investigate the occurrence of secondary metabolites and evaluate the effects of seasonality on the underground system of Chrysolaena simplex (Less.) Dematt. Samples were studied using standard protocols of plant anatomy, scanning electron microscopy, histochemical and phytochemical. The underground system of C. simplex was categorised as a rhizophore which started from cotyledonary node. In adult...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bud; Cerrado; Fructan; Phytochemical; Rhizophore; Secretory ducts.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000100269
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