2013
DOI: 10.1590/s0100-83582013000200011
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Anatomia foliar comparativa em espécies de guanxuma

Abstract: O estudo da anatomia e morfologia das plantas pode ajudar a conhecer prováveis mecanismos que promovem maior capacidade competitiva pelos recursos naturais, principalmente água, luz e nutrientes, além da maior capacidade na retenção e/ou impedimento no processo de penetração de produtos químicos pelas folhas. Diante disso, o objetivo desta pesquisa foi estudar a anatomia foliar das espécies Sida urens, Sida spinosa e Sida rhombifolia em diferentes etapas de desenvolvimento. Essas espécies foram coletadas em tr… Show more

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Cited by 5 publications
(5 citation statements)
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“…For collection of leaves, the three species were grown in a greenhouse for 45 days, and the plants were in phenological stage V2 (Cunha et al, 2013). The pots were filled with substrate…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…For collection of leaves, the three species were grown in a greenhouse for 45 days, and the plants were in phenological stage V2 (Cunha et al, 2013). The pots were filled with substrate…”
Section: Methodsmentioning
confidence: 99%
“…Therefore, there was a different behavior of the contact angles when it was compared with that of the two previous species. This is probably due to the characteristics of the composition of the leaf surface in the vegetative stage, which presents a smaller amount of stomata on the adaxial face and higher content of randomly orientated epicuticular striate wax (Albert and Victoria Filho, 2002;Cunha et al, 2013). It should be noted that the leaves were in the vegetative stage when they were collected for analysis.…”
Section: Sida Rhombifoliamentioning
confidence: 99%
“…This species shows C3 metabolismand tolerates soils with a certain degree of compaction and environments with lower light intensity and temperature, thus leading it to be compared to a C4 plant (Constantin et al, 2007). This weed is difficult to control, as it has a deep root system, and is very competitive with soybean, especially due to its characteristic adaptability in poor and acidicsoils (Cunha et al, 2012;Heap, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Segundo Metcalfe e Chalk (1950), o tipo de estômato característico da família Malvaceae é o anomocítico. Alguns trabalhos com S. rhombifolia encontraram estômatos anomocíticos (MENDONÇA, 2004;CUNHA et al, 2012), o que vai de acordo com Metcalfe e Chalk (1950). Entretanto, outros estudos com S. rhombifolia e também com outras nove espécies de Sida reportam a presença de estômatos anisocíticos, o que corrobora os achados no presente estudo (OLATUNJI;BAKARE, 1993;MOHIDEEN;SASIKALA;GOPAL, 2002;PRAMANICK; MAITI; SRIVASTAVA, 2015).…”
Section: Resultsunclassified
“…2D). Este é dorsiventral, assim como reportado para outras espécies do gênero (MOHIDEEN;SASIKALA;GOPAL, 2002;PROCÓPIO et al, 2003;CUNHA et al, 2012;PRAMANICK;MAITI;SRIVASTAVA, 2015). É formado por cerca de três a cinco estratos de parênquima paliçádico e de quatro a seis estratos de parênquima esponjoso, contendo drusas em várias células ( Fig.…”
Section: Resultsunclassified