CSS302-Lecture16 - I I. Methods of Weed Control A

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
II. Methods of Weed Control A Cultural-Crop management to favor the crop and  disfavor the weeds. B Mechanical-The use of physical or mechanical  means to kill or suppress weeds. C Biological-The utilization of natural enemies for  the control of weeds. D Chemical-The use of chemical herbicides in weed  management.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Herbicide Classification   I. Selectivity  II. Mode of Action III. Method of Application
Background image of page 2
Herbicide Classification I. Selectivity A. Selective – kill ___________________     B. Non-selective - kill _______________ 1. Foliar active - absorbed through leaves  ex. glyphosate
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Herbicide Classification 2. Soil active – absorbed from soil Persistence in soil < 48 hr - ___________ > 2 yr. - ____________
Background image of page 4
Herbicide Classification II. Mode of Action A. Systemic  - interfere with a ________________                           process in plants B. Contact - kill plant tissue on contact (disrupt  cell membranes)
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Herbicide Classification III. Method of Application A. Preplant B. _________________ C. Postemergence
Background image of page 6
A. Preplant ( treatment before the crop is planted)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/28/2010 for the course CSS CSS302 taught by Professor Jimkells during the Fall '08 term at Michigan State University.

Page1 / 28

CSS302-Lecture16 - I I. Methods of Weed Control A

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online