Use the weed guide
25 points DUE February 23 / Circle Lab time: / 9 10 11 1 2
1. What is the crop rotation restriction for corn after Pursuit herbicide is sprayed?
2. Hard Red Spring Wheat can be sprayed up to the __ __ leaf stage with Banvel.
3. What herbicide trade name used in mint has the same active ingredient as Valor?
4. If you needed to control Canada thistle in the rosette to pre-bud stage in sugarbeet, wheat, barley, oat or corn, what herbicide would you use?
5.What is the minimum interval between application and rain for maximum POST weed control when using the herbicide GoldSky?
6. Name two herbicide-resistant weeds in North Dakota that have been confirmed as having multiple resistance.
7. When bromoxynil is sprayed on Alfalfa, how many days after application must you wait before you feed that alfalfa to cattle?
8.Which one of the following herbicides best controls volunteer glyphosate-resistant canola at beginning bolt stage? Pursuit, Raptor, Flexstar, or Banvel?
9. ______is the weed of the year.
10. If Select Max is applied pre-plant at 9-16 fl oz/A, how long must you wait until barley can be planted?
11. Treflan or generic trifluralin should be applied to barley PPI at a depth of __ _ to __ _ inches.
12. The weed control rating for the control of lanceleaf sage using the post-applied herbicide Huskie is ______.
13. Using the soil-applied herbicide Sonalan pre-plant incorporated, what is the weed control rating for the control of prickly lettuce?
14. How many months must you wait to plant corn after the herbicide Marvel is applied?
15. The primary degradation of triazine herbicides in soil is by ______and rate of degradation is mainly dependent on this soil characteristic.
16. When using fall applied herbicides to control perennial weeds, you want to make sure that the stem and leaf tissue has not been killed by frost. To control Canada thistle or leafy spurge, you want to make sure they have ______to______inches or more of stem or rosette tissue before treatment for adequate leaf area to absorb the herbicide.
17. An SU recommendation for control of the troublesome weed yellow nutsedge is ______.
18. When applying Betamix to sugarbeets, a good way to reduce injury is to apply it during ______(time of day).
19. If 1 pt/A of 2,4-D ester 4 EC is applied to a field, is one allowed to plant soybean 8 days later. ______
20. What herbicide with growth regulator site of action can be used to control the noxious weed purple loosestrife on drainage and aquatic sites? ______
21. Buckle Herbicide can be applied in durum wheat and barley by an aerial application. ___
22. How much does the surfactant Activator 90 cost per gallon according to the ND Weed Control Guide?
23. When looking to control marshelder, does the herbicide Atrazine or Aim work better?
24. How many fluid ounces of a formulation with 4 lb ae glyphosate/gal gives the same weed killing power as 48 fluid ounces of a 4 lb ai glyphosate/gal formulation? ______
25. Name the Restricted Use Pesticide that can be used preharvest in corn or soybean.