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Germination and seedling morphology of four South American Smilax (Smilacaceae)
Redondo Martins, Aline; Nascimento Soares, Anielca; Bertolosi Bombo, Aline; Fidelis, Alessandra; Coelho Novembre, Ana Dionisia da Luz; Appezzato da Glória, Beatriz.
  • Redondo Martins, Aline; Universidade Estadual de Campinas. Institute of Biology. BR
  • Nascimento Soares, Anielca; Universidade de São Paulo. Escola Superior de Agricultura ‘Luiz de Queiroz’. Department of Biological Sciences. BR
  • Bertolosi Bombo, Aline; Universidade de São Paulo. Escola Superior de Agricultura ‘Luiz de Queiroz’. Department of Biological Sciences. BR
  • Fidelis, Alessandra; Universidade de São Paulo. Department of Ecology. BR
  • Coelho Novembre, Ana Dionisia da Luz; Universidade de São Paulo. Escola Superior de Agricultura ‘Luiz de Queiroz. Department of Crop Science. BR
  • Appezzato da Glória, Beatriz; Universidade de São Paulo. Escola Superior de Agricultura ‘Luiz de Queiroz’. Department of Biological Sciences. BR
Rev. biol. trop ; 60(1): 495-504, Mar. 2012. ilus, graf, tab
Article in English | LILACS | ID: lil-657796
ABSTRACT
Species of Smilax, also known as greenbrier, are widely distributed in Brazil and their commercial trades are carried out by the extractivism of native species. We the aim to provide information about the germination and development of seedlings in four Smilax species, different experiments were developed under controlled conditions. We evaluated two germination treatments temperature (30ºC and 20-30ºC) and light (presence/ absence), and for few cases the tetrazolium treatment was applied. A different treatment response was observed among the studied species. Light had a significant influence in S. brasiliensis, with the highest germination rates at 20-30ºC in dark conditions. S. campestris showed significant differences among temperature treatments, but not to light; while S. cissoides showed high germination rates (66-78%), independently of treatment. However, S. polyantha had low germination rates (19-24%). After one year, the expanded leaves showed different characteristics among the studied species. Leaves of S. brasiliensis were ovate, coriaceous, three main veins and prickle-like structures only on the midrib on abaxial face. S. campestris leaves were oblong, coriaceous and prickle-like structures were located at the leaf midrib and margin. S. cissoides had ovate-elliptic, membranaceous leaves, with three main veins with prickle-like structures on the abaxial face. S. polyantha leaves showed ovateelliptic, coriaceous leaves, with three main veins, translucent secondary veins and no prickle-like structures. A seedling identification key was elaborated based on morphological characteristics.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Germination / Smilax / Seedlings Type of study: Prognostic study Language: English Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR / Universidade de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Germination / Smilax / Seedlings Type of study: Prognostic study Language: English Journal: Rev. biol. trop Journal subject: Biology / Tropical Medicine Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR / Universidade de São Paulo/BR