[Market-farming] Pesticide resistance

Andrea elsaella at yahoo.com
Sat Aug 16 07:39:40 EDT 2008

Hello,Can anyone help me with with the following. How does an insect or a weed become resistant to a pesticide. What goes on in their system to creat this resistancy?Also, I know that there's no virucide out there, or at least used not to. Are there any known products out there now against plant viruses?ThanksAndrea Weber

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