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Sons describes propagating orchids from seeds as a more complex and tedious process, as orchid seeds lack stored nutrients and rely solely on fungi to germinate.
Orchid mycorrhizae are critically important during orchid germination, as an orchid seed has virtually no energy reserve and obtains its carbon from the fungal symbiont. [1] [2] The symbiosis starts with a structure called a protocorm. [3] During the symbiosis, the fungus develops structures called pelotons within the root cortex of the orchid. [4]
Orchid seeds are extremely small and hold scant sustenance. For this reason, in nature they need to associate with a fungus during germination which provides them nutrients required for growth and development. This process is known as "symbiotic germination" and until 1922 was the only known method of seed based propagation of orchids.
Only a handful of orchid species have seed that can germinate without mycorrhiza, namely the species within the genus Disa with hydrochorous seeds. [22] [23] Disa uniflora seedling on a sphagnum leaf, on a thumbtack. As the chance for a seed to meet a suitable fungus is very small, only a minute fraction of all the seeds released grow into ...
However, I was able to keep my orchid alive for over two years using the ice cube method of watering. It entailed putting two large ice cubes, give or take, once a week into the pot.
The production of plants from seeds that otherwise have very low chances of germinating and growing, e.g., orchids and Nepenthes. To clean particular plants of viral and other infections and to quickly multiply these plants as 'cleaned stock' for horticulture and agriculture. Reproduce recalcitrant plants required for land restoration
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