Propagation and germination research
The main focus has been collection of live cutting material from the Western Sydney International (Nancy-Bird Walton) Airport site to produce plants for conservation collections at the Australian Botanic Garden Mount Annan Nursery. As a backup to these live collections, seed will also be stored at The Australian PlantBank
, which is the award-winning home of plant conservation research, germplasm collection and storage in NSW at Mount Annan. Our seed, potted collections and tissue culture collections provide an insurance policy against extinction of native plants in the wild.
- Over 400 plants grown in the Nursery from seed and 6,100 seeds held at the Australian PlantBank
is a straightforward plant to propagate from seed and grow under nursery conditions. Cuttings had a low success rate and produced plants with low vigour. Seed can be collected easily using mesh bags, and the hard coated seed has a very long storage life under good storage conditions.
Marsdenia viridiflora subsp. viridiflora
- Over 500 plants grown in the Nursery from cuttings and 108 seeds held at the Australian PlantBank
- An ex-situ potted collection is being established and will be held in the Nursery
produces small amounts of fruit/seed, making good quantity seed collections difficult. Germination and storage of seed is straightforward. Cuttings is the preferred method to produce plants, although they are slow to establish.
- Over 500 plants grown in the Nursery from cutting and seed, and 5400 seeds held in long term storage at the Australian PlantBank
is a difficult species to propagate and to collect seed from in quantity, particularly during drought conditions. Seed germination rates are low due to physiological dormancy, although treatment with gibberellic acid and smoke water improved germination. Cuttings are slow to establish, and even with well struck cuttings losses at the potting stage can be significant.