DENDROLOGY

TREE DISEASES AND PESTS

COMMON TREE PESTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What herbicide is used to treat western ragweed?
A
Triclopyr
B
2, 4-D
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Glufosinate tank-mixed with 2, 4-D and/or dicamba consistently provided ≥89% control of GR giant ragweed, except that control with glufosinate plus 2, 4-D varied from 80 to 92% at 60 DAT and at harvest.

Detailed explanation-2: -2, 4-D is a widely used herbicide that controls broadleaf weeds that has been used as a pesticide since the 1940s. It is used in many places including turf, lawns, rights-of-way, aquatic sites, forestry sites, and a variety of field, fruit and vegetable crops.

Detailed explanation-3: -2, 4-D is an herbicide in the phenoxy or phenoxyacetic acid family that is used post-emergence for selective control of broadleaf weeds.

There is 1 question to complete.