Adjuvant Basics Flashcards
What is an adjuvant?
A product that improves the performance of another product
Do adjuvants control pests?
No
What is an “in-can” adjuvant?
An adjuvant already mixed in with the main product.
Give an example of an “in-can” adjuvant.
Glyphosate, Enlist Duo
What is a “tank mix” adjuvant?
An adjuvant that is mixed with the product in the tank before application.
Name two categories of adjuvants.
Activator
Surfactant
What are spray modifiers?
Help the product stay where it belongs.
What is the main role of activator adjuvants?
To help the herbicide penetrate the waxy cuticle of the leaf.
Are surfactants a sub category of activators?
Yes
What are the three basic categories of activators?
Oil-Based
Ionic
Non-Ionic
What are the two sub categories of surfactants?
IS-Ionic Surfactant
NIS-Non Ionic Surfactant
What are two types of oil based adjuvants?
COC-Crop Oil Concentrate
MSO-Methylated Seed Oil
When would you use oil based adjuvants?
When the label requires, when it is necessary to get through the waxy cuticle of the leaf.
What is the risk of using oil based adjuvants?
They can get too hot, which may burn the crop. MSO’s get really hot.
What are the two most common names of ammonium fertilizer adjuvants?
Ammonium Sulfate (water conditioner) 28%
