Tag Archives: superweed

2,4-D: Back to the Past

So, having just spent a decade breeding mutant superweeds by pouuring pesticides on crops, what’s the recommended future of weed science?

Pour pesticides on crops until they breed more mutant superweeds.

So what is our old friend 2,4-D, which used to be commonly used back in the 1980s? Continue reading →

Managing the Seedbank by Plowing

Roundup has bred quite a few mutant weeds, such as marestail and ragweed that haven’t yet made it to Georgia. But the king of mutant superweeds everywhere is Palmer Amaranth: pigweed.

About pigweed, Georgia Extension weed scientist Dr. Stanley Culpepper says:

Economic survival will depend on managing the seedbank!!!!
That’s on page 30 of a 46 page presentation at the 2010 Beltwide – Consultants Conference, after discussing how rapidly Roundup-Ready seeds have been adopted:

And how the value of advice on weed control during that period rapidly decreased as a direct correlation: Continue reading →