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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]
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 ...
It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...
These orchids are often seen growing in hanging baskets with their roots exposed to plenty of air. Although they bloom 2 to 3 times a year, vanda orchids can be fickle to grow as they demand lots ...
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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