Re: DDT and BT
E. Ann Clark, Associate Professor (ACLARK@crop.uoguelph.ca)
Fri, 9 Feb 1996 14:16:09 EDT
Interesting comments from Ames et al. May I redirect the enquiry
somewhat to ask - OK, do we KNOW enough to know how much is too much
reliance to put on biocides? Let's take a current example with BT-
genes into crop plants. Only some crops - only some acreage - in
only some areas will be affected - right? What will this portend for
the development of resistant biotypes that will then descend on other
growers - who didn't use the genetically engineered material in the
first place? What will be the dollar savings, and for how long,
compared to the dollar cost - (forever?) - attributed to the loss of
this most useful product - WHEN USED PROPERLY?
I repeat - DO WE KNOW ENOUGH to use these products sustainably? Ann
ACLARK@crop.uoguelph.ca
Dr. E. Ann Clark
Associate Professor
Crop Science
University of Guelph
Guelph, ON N1G 2W1
Phone: 519-824-4120 Ext. 2508
FAX: 519 763-8933