Re: Round-Up and dandelions

Round Up must be used several times on hard to control weeds. Also the timing 
and concentrations  effect the outcome.

Too often gardeners think a little more will kill quicker and better, but 
with Round Up too much can damage the foliage and  affect the translation of 
the substance.
As a result the top dies and the roots remain alive.

Also Round Up cannot be sprayed on stressed or wilted plants and plants which 
might be covered by a thin layer of dust or grime. Inorganic particles 
supposedly can 'tie up" Round Up.

On perennial weeds it is best to spray when the plant is mature, so that the 
chemical has a better chance of translocating to the roots. Also adding some 
spreader sticker does help the chemical to penetrate some weeds with waxy 
surfaces.

Is Round Up safe for the environment. I have heard pro and con. Some claim 
that it destroys certain soil organisms.

I have controlled everything from poison ivy and nut grass with Round_Uphave 
gotten good results. Wild onions are another story.


Al Krismer
Cincinnati Ohio

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