Germination strategies of Strandveld Succulent Karoo plant species for revegetation purposes: III Effect of relative humidity and storage site on seed viability

Changes in seed viability owing to fluctuations in environmental conditions (temperature and relative humidity) are crucial factors to consider during post-mining revegetation efforts in the Strandveld Succulent Karoo. The effect of relative humidity and storage site on seed viability was investigat...

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Published in:South African journal of plant and soil 2003, Vol.20 (3), p.157-160
Main Authors: De Villiers, A.J, Van Rooyen, M.W, Theron, G.K. (Pretoria Univ. (South Africa). Botany Dept.)
Format: Article
Language:English
Subjects:
AFRIQUE DU SUD
ALMACENAMIENTO DE SEMILLAS
CONTENIDO DE HUMEDAD
GERMINACION
GERMINATION
HUMEDAD RELATIVA
HUMIDITE RELATIVE
longevity
mining
MOISTURE CONTENT
PLANTAS SUCULENTAS
PLANTE GRASSE
RELATIVE HUMIDITY
revegetation
SEED
seed moisture content
SEED STORAGE
SEMENCE
SEMILLAS
SOUTH AFRICA
STOCKAGE DES SEMENCES
storage site
SUCCULENT PLANTS
SUDAFRICA
TEMPERATURA
TEMPERATURE
TENEUR EN EAU
VIABILIDAD
VIABILITE
VIABILITY
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description Changes in seed viability owing to fluctuations in environmental conditions (temperature and relative humidity) are crucial factors to consider during post-mining revegetation efforts in the Strandveld Succulent Karoo. The effect of relative humidity and storage site on seed viability was investigated in six plant species from the Strandveld Succulent Karoo, South Africa. An increase in relative humidity generally resulted in a decrease in seed viability. High summer temperatures in the field probably hastened the loss of seed viability at a relative humidity of 43%, while exerting only a minimal deteriorative effect on seeds stored at a low relative humidity (7%).
doi_str_mv 10.1080/02571862.2003.10634927
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source Taylor and Francis Science and Technology Collection
subjects AFRIQUE DU SUD
ALMACENAMIENTO DE SEMILLAS
CONTENIDO DE HUMEDAD
GERMINACION
GERMINATION
HUMEDAD RELATIVA
HUMIDITE RELATIVE
longevity
mining
MOISTURE CONTENT
PLANTAS SUCULENTAS
PLANTE GRASSE
RELATIVE HUMIDITY
revegetation
SEED
seed moisture content
SEED STORAGE
SEMENCE
SEMILLAS
SOUTH AFRICA
STOCKAGE DES SEMENCES
storage site
SUCCULENT PLANTS
SUDAFRICA
TEMPERATURA
TEMPERATURE
TENEUR EN EAU
VIABILIDAD
VIABILITE
VIABILITY
title Germination strategies of Strandveld Succulent Karoo plant species for revegetation purposes: III Effect of relative humidity and storage site on seed viability
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