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Library of Congress Vintage Photos Collection
Library of Congress Geography and Map Division
 
 
 
My Orchid Articles
 
 
In our laboratory the green pod method of sowing orchid seed is preferred to the dry seed method. The seed capsule should be harvested while the seed is viable but before the capsule splits.

Optimal harvesting time is specific, not only to genera but to individual clones, harvesting time will vary as a result of extremely complex inter-relations between generic and environmental factors.

Time intervals listed below are meant as a general guide line for those attempting crosses using the genera listed. Adjustments must be made by individual breeders to compensate for local conditions.

The following is a table of harvesting time compiled from records of our own hybridizing program.
Encyclia oleata fruit
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NOTE: Published with permission.
I have expanded Dr. Sauleda's table by adding additional genera -- Linda
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APPROXIMATE SEED MATURATION STAGES FOR GREEN POD CULTURE
Genus/Hybrid
Approximate
time interval
Aerides species and hybrids 5 to 6 months
Ansellia species and hybrids 4 to 5 months
Brassavola nodosa and other terete Brassavola hybrids
B. digbyana and B. glauca (Rhyncholaelia) hybrids
4 to 5 months
5 to 6 months
Brassocattleya hybrids 4 to 6 months
Brassolaeliocatteya hybrids 4 to 6 months
Broughtonia hybrids 60 days
Cattleya hybrids:
Labiata type, white, lavender, white with colored-lip
bifoliate
SLC., Potinara
5 to 6 months
4 to 5 months
5 months
Chochlioda 9 to 11 months
Chysis 5 to 6 months
Cirrhopetalum 4 to 6 months
Cymbidium 9 to 12 months
Dendrobium species and hybrids:
Dendrobium devonianum
Dendrobium lituifolium
Dendrobium phalaenopsis
Dendrobium nobile
Dendrobium pierardii & other pendulous Dendrobium hybrids
Dendrobium stratiotes and hybrids
Dendrobium superbiens and hybrids
Dendrobium superbum and hybrids
5 to 8 months
5 to 8 months
5 to 9 months
5 to 6 months
4 to 5 months
5 months
6 to 7 months
5 to 8 months
Doritaenopsis 3 months
Doritis pulcherrima 2 to 3 months
Encyclia 4 to 6 months
Epicattleya and other novelties 5 months
Most Epidendrum hybrids
E. pseudepidendrum
4 to 5 months
90 days
Laelia and Schomburgkia Hybrids 4 to 5 months
Oncidium altissimum
Oncidium bahamense
Oncidium bauerii
Oncidium carthagenense
Oncidium flexuosum
Oncidium jonesianum
Oncidium lanceanum
Oncidium lucayanum
Oncidium luridum and related Oncidium hybrids
Oncidium maculatum
Oncidium microchilum
Oncidium pulchellum
Oncidium splendidum
Oncidium triquetrum hybrids
Most other equitant Oncidium hybrids
Oncidium sphacelatum and related Oncidium hybrids
Oncidium variegatum
Psychopsis papilio, kramerianum
& Psychopsiella limminghei hybrids
3 to 5 months
2 to 3 months
3 to 5 months
6 to 8 months
3 to 5 months
3 to 5 months
6 to 8 months
2 to 3 months
6 to 8 months
3 to 5 months
4 to 6 months
2 to 3 months
4 to 6 months
5 months
60 days
4 months
2 to 3 months
100 days
Lemboglossum 12 to 15 months
Laelia cinnabarina
Laelia flava
Laelia harpophylla
Laelia perrinii
Laelia purpurata
Laelia rubescens
Laelia xanthina
4 to 5 months
3 to 4 months
3 to 4 months
4 to 5 months
4 to 6 months
4 to 6 months
4 to 6 months
Laeliocattleya hybrids 4 to 6 months
Maxillaria 4 to 6 months
Mltonia and Odontoglossum hybrids 4 months
Paphiopedilum 8 to 10 months
Phaius 4 to 5 months
Phalaenopsis hybrids 110 days
Renanthera 5 to 6 months
Rhyncholaelia 4 to 6 months
Rhynchostylis hybrids 5 to 8 months
Rodriquezia 3 to 5 months
Sarcochilus 6 to 9 months
Schomburgkia 4 to 5 months
Sophrocattleya 3 to 5 months
Sophronitis 2 to 3 months
Stanhopea 4 to 7 months
Trichopilia 4 to 5 months
Vanda, Ascocenda and Ascocentrum hybrids 5 to 7 months
   After 65 days some Vanda seed capsules may turn slightly yellow but are not ready to be planted and should be allowed to remain on the plant the full length of time. If the capsule contains no viable seed it will usually continue to turn yellow and drop off.
Vandopsis 5 to 6 months
Vanilla 2 to 3 months
Zygopetalum 7 to 9 months
NOTE:
   The above mentioned time intervals refer to the plant carrying the seed capsules; usually the pollen parent does not influence the time interval.

Example:
Psychopsis papilio X Oncidium luridum - requires 100 days.
Oncidium luridum X Psychopsis. papilio - requires 7 months.
   Unfortunately, the time required for complex intergeneric hybrids is only established after the capsule splits. One can safeguard against splitting by making 2 or more seed capsules of the same cross and immediately after the first one splits, the remaining capsules are harvested.

   In most cases, the longer a seed capsule is allowed to remain on the plant, without danger of loosing the plant or the seed capsule, the better the results obtained.