 |
| Pinus engelmannii in Wakehurst Place, 2011 |
Common name: Apache Pine
Origin: Northern Mexico, New Mexico, Arizona
Wednesday, September 21, 2011
Saturday, September 3, 2011
Delonix floribunda
Origin: Madagascar
Germination: Seeds scarified and placed in warm water for one day. Seeds that changed volume overnight placed in mixture of perlite, vermiculite and potting soil. Seeds that didn't change scarified once more and soaked again. Germination is rapid.
Delonix pumila
Origin: Madagascar
Germination: Seeds scarified and placed in warm water for one day. Seeds that changed volume overnight placed in mixture of perlite, vermiculite and potting soil. Seeds that didn't change scarified once more and soaked again. Germination is rapid.
Zamia nesophila
 |
| 2 months old seedling |
 |
| 2 months old seedling |
 |
| 2 months old seedling |
 |
| leave veins from below |
Origin: Panama
Germination: Seeds are easy to germinate. In ca 1-3 weeks most of the seeds germinated in a mixture of vermiculite, perlite and potting soil. Germination rate 100 percent.
Pinus cembra
 |
| 3 months old Swiss Pine seedlings |
Origin: Alps and Carpathian Mountains of central Europe
Germination: Seeds soaked for day in water then sown in a mixture of perlite, vermiculite and potting soil and placed outdoor in a temperature between 10-22 degrees and kept moist. Few seeds germinated readily but most took about 1-2 months to germinate.
Links: wikipedia
Wednesday, August 31, 2011
Blechnum cycadifolium
 |
| few sporophytes emerging from the gamephytes |
origin: Juan Fernandez Island
Germination: spores sown on top of moist, well sterilized peat moss in a clear plastic enclosed box. Once the sporophytes appeared every now and then sprayed with water to support the formation of gametophytes.
Cyathea medullaris
 |
| sporophyte appearing on a gametophyte |
Origin: New Zealand
Germination: spores sown on top of moist, well sterilized peat moss in a clear plastic enclosed box. Once the sporophytes appeared every now and then sprayed with water to support the formation of gametophytes.
Links: wikipedia
Sunday, June 19, 2011
Araucaria cunninghamii subsp. cunninghamii
 |
| Seedlings 2 weeks after sowing |
 |
| Close-up of Araucaria cunninghamii in front of British Museum as part of the Kew Australian Plant Display |
Origin: Australia
Germination: Seeds placed on wet cotton pads germinated after ca. 1 week (temperature 18-25 C). 13 seeds from 20 germinated (mostly the bigger seeds). Smaller seeds appeared solid inside without any embryos. All seedlings were green with 4 cotyledons.
Links:
Saturday, May 7, 2011
Monday, May 2, 2011
Neocallitropsis pancheri
 |
| first seedling appeared after ca 1 month from sowing |
 |
| Neocallitropsis seeds |
Origin: New Caledonia
Conservation status:
Germination: Seeds soaked in water for 1 day. Then placed in a mixture of vermiculite, perlite and potting soil. 2 from 20 seeds germinated after ca 1 month from sowing. 3rd seed germinated about a week later.
Links:
Sunday, May 1, 2011
Agathis australis
 |
| seedlings week old |
 |
| seedlings |
Origin: New Zealand
Conservation status:
Germination: Seeds soaked in water for two days, then sown in mixture of perlite, vermiculite and potting soil. First seeds germinated after 3 days. Other seeds germinated gradually over the following week. So far 50 germinations from ca 100 seeds (about 2 months old from collection).
Links:
Sunday, April 17, 2011
Wednesday, April 13, 2011
Monday, April 11, 2011
Pinus roxburghii
 |
| Seedlings about 1 week old |
Origin: Himalaya
Conservation status:
Germination: Seeds soaked for 2 days in water, then placed in a heated propagator at ca 25 C. No stratification. applied. First seeds started sprouting after ca. 14 day from sowing. Others followed withing the next week. Germination percentage ca. 80 percent (22 seedlings from 28 seeds)
Links:
rarepalmseeds Sunday, April 10, 2011
Pinus canariensis
 |
| half year old seedlings |
 |
| Pinus canariensis - 1 week old seedlings |
Origin: Canary Islands
Conservation Status:
Germination: Soaked seeds for 2 days. Seed were sown in mixture of perlite, vermiculite and potting soil in a heated propagator at about 25 C. Seeds started sprouting after ca 14 days. No stratification applied. 14 from 16 seeds germinated.
Links:
rarepalmseeds
Conservation Status:
Links:
rarepalmseeds
Dacrydium araucarioides ?
 |
| This seedling germinated from a seed after exactly one year. The brownish rounded seed coat is on the left side of the seed and resembles very much the seeds i bought as dacrydium araucarioides. Origin: New Caledonia Conservation status: Links: arkiverarepalmseeds |
Embothrium coccineum
 |
| Embothrium coccineum seedlings ca 14 days old |
Origin: Chile
Germination: Germination rate is usually very good - up to 80 percent. Many seedlings unfortunately usually damp off few days later after the germination.
Subscribe to:
Posts (Atom)