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Improving seed germination of four savanna-woodland species: effects of fire-related cues and prolonged soaking in sulphuric acid

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Relation http://oar.icrisat.org/352/
http://www.jstor.org/stable/23617009
 
Title Improving seed germination of four savanna-woodland species: effects of fire-related cues and prolonged soaking in sulphuric acid
 
Creator Dayamba, S D
Santi, S
Savadogo, P
 
Subject Climate change
 
Description A study was carried out to
investigate the effects of fire related cues (heat and smoke) and sulphuric acid treatments on the germination
of four woody savanna species, namely, Terminalia avicennioides, Piliostigma thonningii, Piliostigma reticulatum
and Prosopis africana. The heat treatment consisted of putting seeds in a preheated oven at 100, 150 and 200 °C
for 2.5 min. Seeds were then soaked in four concentrations of smoke solution (0 (tap water), 25, 50 and
100% smoke solutions). Parallel to smoke and heat treatment, seeds of the four species were each soaked in
concentrated sulphuric acid for 2 hours and also according to the conventional soaking time of each species.
Under experimental conditions, heat and smoke did not stimulate seed germination. For P. thonningii and P.
africana, soaking seeds for 2 hours in sulphuric acid significantly increased germination capacity compared
with conventional soaking time of 5 min. Longer soaking time reduced mean germination time. Results of
this study will be useful in the establishment of these species.
 
Publisher Forest Research Institute Malaysia
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/352/1/11.pdf
Dayamba, S D and Santi, S and Savadogo, P (2014) Improving seed germination of four savanna-woodland species: effects of fire-related cues and prolonged soaking in sulphuric acid. Journal of Tropical Forest Science, 26 (1). pp. 16-21. ISSN 0128-1283