Abstract
Quantitation of gorse (Ulex europaeus) seed in soil at 5 locations within New Zealand showed than an average reduction to 66% of the original numbers could be expected after a burn-off. Most seeds were in the top 6 cm but the viability of those undestroyed by fire was only slightly reduced. However heat could accelerate germination; temperatures below 100 deg C were stimulatory, those above became lethal even after short exposures. The temperature of the germination medium markedly affected the germination rate and total numbers germinating. From summary. ADDITIONAL ABSTRACT: Quantitation of gross (Ulex europaeus) seed in soil at five locations within New Zealand showed that an average reduction to 66% of the original numbers could be expected after a burn-off. Most seeds were in the top 6 cm but the viability of those undestroyed by fire was only slightly reduced. However heat could accelerate germination; temperatures below 100 deg were stimulatory, those above became lethal even after short exposures. The temperature of the germination medium markedly affected the germination rate and total numbers germinating.
Cite
CITATION STYLE
Zabkiewicz, J. A., & Gaskin, R. E. (1978). Effect of fire on gorse seeds. Proceedings of the New Zealand Weed and Pest Control Conference, 31, 47–52. https://doi.org/10.30843/nzpp.1978.31.9335
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