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| Scheffer-Basso, Simone Meredith; Priori, Bruna Carla. |
| abstract: The effect of the aluminum in root has been evaluated by linear and weight measurements, but remains to be understood about the influence of this element on branching configuration of the root system. This study had the objective to assess the aluminum toxicity in roots of 21-day-old seedlings of three forage legumes, Adesmia latifolia, Trifolium repens and T. pratense (Fabaceae), by topological analysis. The legumes were grown in Oxisol treated or not with dolomite lime, which resulted in two Al saturation and pH: (a) Al= 0 %, pH= 6.2; (b) Al= 16 %, pH= 4.8. Number of first-order roots, external links (magnitude), total links in the longest unique path (altitude), total links in the primary root (altitude of primary root), total exterior path... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.00.00.00-4 alumínio biometria raízes morfologia topologia Agronomia Adesmia; Altitude; Lotus; Magnitude; Path length; Trifolium. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/18362 |
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| Yagueddú,Cristina; Comparatore,Viviana; Paoletti,Gilda. |
| The microhistological analysis quantifies the botanical composition of herbivore diets by the identification of the epidermal characters of ingested species. Many Papilionaceae form part of herbivore diets due to their high nutritive quality. Different species of this family are sometimes grouped together due to the difficulty to recognize them. In this study, the epidermis of Lotus tenuis, Medicago arabica, Medicago lupulina, Melilotus albus, Trifolium pratense and Trifolium repens was analysed. Also, it was tested if such descriptions could be useful to identify fragments of these species in hand-composed mixtures and then quantified by microanalysis. Descriptions and drawings are presented. Regressions were significant (p<0.05) for Lotus tenuis,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Epidermis; Microhistological analysis; Herbivore diet; Fabaceae; Leguminosae; Lotus; Medicago; Melilotus; Trifolium. |
| Ano: 2009 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722009000200007 |
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| Do Canto,Javier; Reyno,Rafael; Real,Daniel; Revell,Clinton. |
| Few studies have been conducted in annual and perennial forage legumes to investigate the development of hardseededness and the subsequent pattern of seed softening in temperate and subtropical regions of South America. Experiments were conducted during 2007 and 2008 in central Uruguay to follow the pattern of seed softening in 35 annual and perennial forage legumes, including three native species of Uruguay and five commercial cultivars. Newly ripened seeds of each plant material were placed in mesh packets on the soil surface in mid-summer. Samples were recovered monthly for germination tests and the proportion of residual hard seeds determined. The native species Adesmia bicolor (Poir.) DC., Adesmia securigerifolia Herter, and Ornithopus micranthus... |
| Tipo: Journal article |
Palavras-chave: Hard seeds; Adesmia; Ornithopus; Trifolium; Lotus. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000100006 |
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