Why are the seeds of this species difficult? The seeds have physical dormancy, which can be overcome by scarifying the seed coat to allow water imbibition.
Corchorus tridens (Image: S. Wood, RBG Kew)
This species has Orthodox seeds - dry to 15-20% eRH and store at -20ºC, or as cool as possible.
The seeds of this species are Physically Dormant.
Chip the seed coat with a scalpel before sowing on agar, germination paper or sand. Germinate under an alternating temperature regime of 35/20ºC (with an 8/16hr photoperiod).
(Image: S. Wood, RBG Kew)
Accepted name: Corchorus tridens L.
Synonyms: Corchorus angustifolius Schumach. & Thonn.
Common name: wild jute, fodder jute
References and Links
- Baskin, C.C. and Baskin J.M. (1998). Seeds: ecology, biogeography, and evolution of dormancy and germination. Academic Press, USA.
- Food and Agriculture Organization of the United Nations and International Plant Genetic Resources Institute (1994). Genebank Standards. FAO/IPGRI, Rome, Italy.
- AFPD (African Flowering Plants Database) - Conservatoire et Jardin Botaniques de la Ville de Genève, Switzerland, and South African National Biodiversity Institute, Pretoria, RSA: Corchorus tridens.
- AVRDC - The World Vegetable Centre, Taiwan: fact sheet on Corchorus tridens.
- PROTAbase (Plant Resources of Tropical Africa) - Wageningen, Netherlands: Corchorus tridens.
- SID (Seed Information Database) - Royal Botanic Gardens, Kew, UK: Corchorus tridens.
- Tropicos - Missouri Botanical Garden, USA: Corchorus tridens.