Vol. 51—1997 - NorthEastern Weed Science Society

161
Roundup killsplants by blockingthe EPSP SynthaseEnzymein plants. This enzymeis
part of the pathwa that converts carbohydratesto aminoacids. Soybeanplants with the
Roundup Ready gene remainunaffectedby Roundup® treatment becausethe continuedaction
of the introduced yphosate-tolerant EPSP SynthaseEnzymemeets the plant's need for aromatic
amino acids. .
RounduptadyTM soybeanshavethe fullowing benefits:
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Excellentfit with alltillage systems;
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Broad-spectrum control of grass, broadleaf and perennialweeds,
traditionallyan increasedproblem in no-till acres ... Hemp Dogbane,
CommonMilkweed, etc.;
Applicationflexibility;
Use of environmentallysoundherbicide;
New mode of action for in-season soybeanweed control with no weed
resistance;
6. i Increased flexibilityto treat weeds "asneeded"; and
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• ! 0 rotationa crop restncnons,
Market Jrveys and national herbicide salesfigures showthat the average soybean
herbicidecost is found $25.00 per acre. With Roundup ReadyTM, the input costs ofRoundup®
and the technolof fee for the seed willbe muchless than the national average of $25.00 per acre.
An excellentreview of the development,identification,and characterizationof the
Roundup Ready1)Mline 40-3-2 was written by S.R. Padgette et aI., Crop Science 35:1451-1461.
The Ro~duP ReadyTMtime line:
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·11990 -
Transformationof A5403
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1996 -
1997 -
40-3-2 crossed to Asgrow varieties
Asgrow sales ofAG3001, AG3501, AG4401, AG4701, AG5601,
AG6101
New products
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