Desiccation, cryopreservation and germination of seeds of the rare wetland species,Plantago cordata Lam.

Authors: Pence, V.C.; Clark, J.R.

Source: Seed Science and Technology, Volume 33, Number 3, October 2005 , pp. 767-770(4)

Publisher: International Seed Testing Association

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Abstract:

Seeds of the rare wetland species, Plantago cordata, are short-lived in the wild and have been thought to be desiccation sensitive. Germination was obtained, however, after drying the seeds to 4-5% moisture. When dried, the seeds also survived exposure to liquid nitrogen. It is concluded that P. cordata seeds have the ability to tolerate desiccation, although conditions in these studies may not have allowed maximum survival, since the rate of germination after drying was generally lower than for fresh seeds. Germination was maximal when seeds were germinated in controlled temperatures alternating between 30°C during 16 hrs of light and 15°C during 8 hrs of darkness, compared with germination on the lab benchtop or in a heated greenhouse.

Document Type: Research article

Publication date: 2005-10-01

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