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Re: Weed killing / wildflower questions

> Collection of seed follows the same rule of 1-20,
> simply, you should not collect seed from more than 1 in 20 plants
> of a given species. Preferably if there are 21 collect only the 21st
> plants seed and leave the rest.
> 
> Rome Hutchings, owner
> The Prairie Is My Garden, Seed Company
> http://www.means.net/~tpimg/index.html

A fine point on the above, if possible, one will get better genetic 
representation of the population if one collects 1/20 of the seeds 
from every plant, rather than all the seed from one plant. This is 
relatively easy from plant with multiple fruits, but one can also 
strip a hole plant of its seed, take a pinch for propagation and 
throw the rest to the wind near the parent plant. I have seen some 
species (e.g. prairie parsley and Carolina larkspur) at my site  
increase in numbers where I have used the latter technique.

James C. Trager
Shaw Arboretum
P.O. Box 38
Gray Summit MO 63039
PH# 314-451-3512
FAX 314-451-5583
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