Slides:
1.
Herbicide Resistance
2.
First Resistant Weeds
3.
Number of Resistant Biotypes by Year
4.
So what’s the deal?
5.
Contributing causes
6.
Resistance
7.
Mechanisms of Resistance
8.
Mechanism
9.
How does resistance occur?
10.
Increasing Selection Pressure
11.
How does selection for herbicide resistance occur?
12.
Percent Resistance in Treated Population
13.
MSMA Resistant Cocklebur in NC
14.
Weed Characteristics that Favor Resistance
15.
Average number of seed produced per plant
16.
Are some herbicides more susceptible to resistance?
17.
Common ALS Herbicides
18.
Why are ALS herbicides more likely to result in resistance?
19.
So what is the deal? Why is resistance getting worse?
20.
So what is the deal? Why is resistance getting worse?
21.
So what is the deal? Why is resistance getting worse?
22.
So what is the deal? Why is resistance getting worse?
23.
Resistance
24.
Avoiding Resistance
25.
How does selection for herbicide resistance occur?
26.
Why is avoiding resistance in peanuts so critical?
27.
Are you at risk?
28.
What do you do if you suspect resistance?