Quote:
Originally Posted by Richard
It is more cost effective to grow citrus from reliable plant stock than from seed.
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That is true, but sometimes the rootsystem of a named variety is not that suitable for the soil-- (this would apply to seeds of that same variety). So, they still need to be grafted onto a suitable rootstock. Rootstock propagation can be done by rooting, but many rootstock fruits have tons of seeds and that is often the way they are propagated.