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Old 04-05-2003, 09:56 PM
zxcvbob
 
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Default How Soon To Plant After Using Roundup?

Tom Jaszewski wrote:

Glyphosate attacks some vital steps in the chemical defense system of
plants, reducing their ability to control root-infecting fungi.
Rampaging fungi hasten the death of the plant, and may in part explain
why it has taken so long for weeds to develop resistance to this
herbicide.


Did you just make that up? Glyphosate is a protein synthesis inhibitor. (I
thought it was a chlorophyll inhibitor, but I looked it up; it inhibits
5-enolpyruvyl-shikimate-3 phosphate synthase, a.k.a. "ESPS".) Once the
plant is crippled, opportunistic fungi may attack the roots, but Roundup
will kill the plants whether there are any fungi or not.

Regards,
Bob

 
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