Fate in soil/plants
herbicides sticking to the surface of a soil particle
What is adsorption?
Correct MOA and SOA
MOA: Lipid synthesis inhibitor, SOA: ACCase Inhibitor
Weed that is resistant to group 14
What is Common ragweed?
Correct MOA and SOA
MOA: plant growth regulator, SOA: synthetic auxins
The injury symptoms for group 3 and 15
3: club root, 15: grass-buggy whip, broadleaf-drawstring
Herbicides being able to accept or donate H+
What is weak acid?
Wild oat and green foxtail
Correct MOA and SOA for both groups
MOA: cell membrane disrupters, 14 SOA: PPO inhibitor, 22 SOA: PS I electron diverter
Least volatile form of dicamba
What is BAPMA salt?
This determines the selectivity for groups 3 and 15
What is emergence types of weeds being different than the crops
The herbicide groups that are degraded by acid hydrolysis
What are SU and triazine?
The injury characteristic for group 1
What is brown, mushy whorl, red veins on underside of leaves?
This trade name was created to replace paraquat because it has excellent crop safety
What is Sharpen?
Enlist corn is resistant to these active ingredients
What is 2,4-D, "fops", glyphosate?
Correct MOA and SOA for both groups
15 MOA: seedling shoot growth, SOA: VLCFA synthesis inhibitor, 3 MOA: seedling root growth, SOA: microtubule assembly inhibitor
The herbicide groups that are degraded only by microbes
What are Imis, TPS and HPPD?
Grass herbicide that is most used in ND
What is pinoxaden?
Group 14 has some active ingredients that control grasses, these are the grasses
What are bromes and foxtails?
Enlist E3 soybeans are resistant to these active ingredients
What is 2,4-D, glyphosate, glufosinate?
Identify the Group 15 herbicide that controls wild oat
What is pyroxasulfone?
The two purposes of AMS
What is reduce hard water antagonism and induce the protein carrier pump?
Group 1 is antagonzied by this group 4 herbicide
What is dicamba?
List three of the five trade names that have control on grasses
Ultra blazer, Flexstar, Valor, Spartan, and Reviton
Correctly list all 6 growth hormones and tell me which one group 4 causes an overproduction of
What is auxins, cytokinins, gibberellins, ethylene, abscisic acid, and polyamines? auxins are overproduced
There are three reasons groups 3 and 15 need to be incorporated what are they?
What is volatile, photodegradation and improve selectivity and crop safety?