Quick Reference Guide to Herbicides Labeled for Use in Northern Highbush Blueberry
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Active ingredient [WSSA #]1 (trade name) |
Rate pounds ai/a (product) |
Max seasonal per acre per year (product) |
Re-apply (Month) |
Minimal Age (Month) |
Replant (Month) |
PHI (day) |
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1 For information on weed control efficacy of products listed in this article, see the publication “Pest Management Strategic Plan for Blueberries in Oregon and Washington” (DeFrancesco and Murray, 2011): http://www.ipmcenters.org/pmsp/pdf/ORWABlueberry.pdf |
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Soil active herbicides |
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dichlobenil [20] (Casoron CS) |
1.96 - 3.92 lb ai (1.4 to 2.8 gal) |
3.92 lb ai 2.8 gal |
12 |
12 |
12 |
30 |
|
diuron [7] (Direx 4L) |
1.6 - 2.4 lb ai (1.6 to 2.4 quarts) |
3.2 lb ai (3.2 quarts) |
5 |
12 |
24 |
NA |
|
Hexazinone [5] (Velpar L CU) |
1.0 to 2.0 lb ai (4.0 to 8.0 pints) |
2.0 lb ai (8.0 pints) |
12 |
36 |
24 |
50 |
|
indaziflam [29] (Alion) |
0.04 - 0.06 lb ai (3.5 to 5 fl oz) |
0.09 - 0.13 lb ai (7.0 to 10.3 fl oz) |
3 |
12 |
12 |
14 |
|
isoxaben [21] (Trellis SC) |
0.5 - 1 lb ai (16 to 31 fl oz) |
1.0 lb ai (31 fl oz) |
0 |
0 |
0 |
60 |
|
napropamide [15] (Devrinol 50DF) |
4 lb ai (8 lb) |
4 lb ai (8 lb) |
12 |
0 |
12 |
NA |
|
norflurazon [12] (Solicam DF) |
1.95 - 3.93 lb ai (2.5 to 5 lb) |
3.93 lb ai (5 lb) |
0 |
0/6 |
12 |
60 |
|
oryzalin [3] (Surflan) |
2 - 6 lb ai (2 to 6 quarts) |
12 lb ai (12 quarts) |
2.5 |
0 |
0 |
NA |
|
pronamide [3] (Kerb SC) |
1 - 2 lb ai (2.5 to 5 pints) |
2 lb ai (5 pints) |
12 |
12 |
0 |
NA |
|
simazine [5] (Princep 4L) |
2 - 4 lb ai (2 to 4 quarts) |
4 lb ai (4 quarts) |
3 |
0 |
12 |
21 |
|
s-metolachlor [15] (Dual Magnum) |
0.64 to 1.27 lb ai (0.67 to 1.33 pints) |
1.27 lb ai (1.3 pints) |
12 |
12 |
12 |
28 |
|
sulfentrazone [14] (Zeus XC) |
0.25 - 0.375 lb ai (8 to 12 fl oz) |
0.375 lb ai (12 fl oz) |
2 |
36 |
1 |
3 |
|
trifluralin + isoxaben [3+21] (Snapshot 2.5 TG) |
2.5 to 5 lb ai (100 to 200 lb) |
15 lb ai (600 lb) |
2 |
0 |
0 |
365 |
|
Soil and foliar active herbicides |
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clopyralid [4] (Stinger) |
0.06 - 0.12 lb ai (2.66 to 5.33 fl oz) |
0.25 lb ai (10.6 fl oz) |
- |
12 |
18 |
30 |
|
flumioxazin [14] (Chateau SW) |
0.18 - 0.38 lb ai (6 to 12 oz) |
0.76 lb ai (24 oz) |
1 |
24 |
2 |
7 |
|
halosulfuron [2] (Sandea) |
0.023 - 0.031 lb ai (0.5 to 0.66 /1 oz) |
0.062 lb ai (2.0 oz) |
1.5 |
12 |
9 |
14 |
|
rimsulfuron [2] (Matrix) |
0.03 - 0.06 lb ai (2 to 4 oz) |
0.06 lb ai (4 oz) |
1 |
12 |
12 |
21 |
|
mesotrione [27] (Callisto) |
0.09 - 0.18 lb ai (3 to 6 fl oz) |
0.18 lb ai (6 fl oz) |
0.5 |
12 |
18 |
NA |
|
Quinclorac [4] (Quinstar 4L) |
0.37 lb ai (12.6 fl oz) |
0.74 lb ai (25.2 fl oz) |
1 |
- |
10 |
30 |
|
Foliar active herbicides |
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carfentrazone [14] (Aim EC) |
0.01 - 0.03 lb ai (1 - to fl oz) |
0.097 lb ai (6.1 fl oz) |
0.5 |
0 |
0 |
1 |
|
clethodim [1] (Select max) |
0.07 - 0.12 lb ai (9 to 16 fl oz) |
0.24 lb ai (32 fl oz) |
0.5 |
0 |
0 |
14 |
|
diquat [22] (Reglone) |
0.37-0.56 lb ai (1.5 to 2 pints) |
0.56 lb ai (2 pints) |
0.5 |
0 |
0 |
365 |
|
fluazifop [1] (Fusilade DX) |
0.25 - 0.375 lb ai (16 to 24 fl oz) |
0.75 (48 fl oz) |
0.5 |
0 |
0 |
1 |
|
glufosinate [10] (Rely 280) |
0.88 - 1.5 lb ai (48 to 82 fl oz) |
3 lb ai (164 fl oz) |
0.5 |
0 |
6 |
14 |
|
glyphosate [9] (Roundup Powermax) |
0.38 - 3.69 lb ae (11 to 105 fl oz) |
7.87 lb ae (224 fl oz) |
0.5 |
3 days |
3 days |
3 |
|
paraquat [22] (Gramoxone SL) |
0.625 - 1 lb ai (2.5 to 5 pints) |
4 lb ai (20 pints) |
0.5 |
0 |
0 |
0 |
|
pelargonic acid (Scythe) |
3- 10 % v/v |
NA |
NA |
NA |
1 |
|
|
sethoxydim [1] (Poast) |
0.19 - 0.47 lb ai (1 to 2.5 pints) |
0.94 lb ai (5 pints) |
0.5 |
0 |
0 |
30 |