Vigor de semente, emergência e desenvolvimento inicial de espécies do estrato herbáceo e subarbustivo do cerrado em condição de viveiro
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Data
2015
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Resumo
Plant species tend to make adjustments morphological, physiological and
developmental changes. The changes to different environmental conditions is a
specific response of each species. Thus aimed to investigate in greenhouse
conditions, germination and early development of Senna alata, Clidemia hirta, Olyra
latifolia e Psychotria trichophora in Cerrado. The experiment was conducted in
greenhouse where the recipient system with different seeds were exposed to full sunlight and shading of 50%. Each treatment had five replicates of 25 seedlings of
each of the four species studied, obtaining 2,000 seedlings. Checking the
germination potential by the tetrazolium test and seedling emergence and
development with height variables, stem diameter (DC) and dry matter (DM). The
tetrazolium test was effective in assessing the viability of the seeds. The Clidemia
seeds hirta and Psychotria trichophora did not germinate, indicating dormancy. The
longer the plastic bag, provided a better development of Senna alata, with the same
tolerant to strong direct light, but grows best in a greenhouse environment with 50%
of light.
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Luminosidade, Sombreamento, Produção de mudas, Luminosity, Seedling production, Shading
Citação
OLIVEIRA, Flaviana Delmiro; OLIVEIRA, Guilherme Murilo de; OLIVEIRA, Carlos Eduardo Batista de; SILVA NETO, Carlos de Melo; VENTUROLI, Fábio. Vigor de semente, emergência e desenvolvimento inicial de espécies do estrato herbáceo e subarbustivo do cerrado em condição de viveiro. Enciclopédia Biosfera, Goiânia, v. 11, n. 22, p. 1389-1398, 2015.