Plant & Soil Sciences eLibraryPRO
control panel control panel

Auxin and Auxinic Herbicide Mechanism(s) of Action - Part 1 - Introduction

Rate Me

Summary - Auxin and Auxinic Herbicides - Part 1 - Introductory

The auxinic herbicides have been around since World War II and were the first selective herbicides developed. Although they continue to be a very important class of herbicides, their precise mode of action is still unknown. These herbicides are very important agrochemicals for selective weed management in grass and cereal crops and are generally phytotoxic to broadleaf plants, causing little or no damage to monocots. Monocot crops are tolerant, in general, because of restricted translocation, enhanced metabolism, and the lack of a vascular cambium in their phloem tissue. Broadleaf species can be tolerant because they metabolize the herbicide to a less toxic form. These herbicides are considered mimics of the natural plant auxin and are thought to induce changes in gene expression which lead to plant death. The mechanism of auxinic-herbicide resistance as selected for in some weed species is yet unknown.

For more information on this topic, go to the advanced lesson on this Site: Auxinic Herbicide Mechanism(s) of Action - Part 2 - Advanced Lesson.


Be the first to write a comment...

Control Panel cancel

Create activities for your moodle courses. Moodle Go to moodle
Select and group e-Library Lessons to create your own package... My Communities
Community Blogs Community Media

My Joined Communities

My Blogs - a journal of my thoughts... My Blogs
My Comments - my thoughts expressed as a feedback... My Comments
Classes that I am taking Registered Classes
Class Blogs Class Media
Check the scores of assesments that you have taken Taken Assessments
Please confirm your selection.