ORCHID SEED SYMBIOSIS. “Orchids and a few other groups of plants … depend on mycorrhizal fungi for nutrition during germination and the early growth of the seedling. Some terrestrial orchid seedlings, in fact, spend the first few years of their lives deriving energy from the fungi and do not produce green leaves.” This can complicate GERMPLASM banks.
http://lnkd.in/ddyNBfG