Time of Application |
Weeds |
Material |
Rate |
Notes |
|
Hectare |
Acre |
||||
After soil settled; prior to weed emergence |
Annual grasses & some broadleaf weeds |
Devrinol |
9 kg |
3.6 kg |
Sensitive to UV light; apply to moist soil & irrigate after application. |
Annual grasses & some broadleaf weeds |
Prowl H20 |
3.7 L |
1.5 L |
Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application. |
|
Annual grasses & some broadleaf weeds |
Dual Magnum |
1.25-1.75 L |
0.5-0.7 L |
Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application. |
|
Annual broadleaf weeds & grasses |
Sinbar |
1.5 kg |
0.6-1.2 kg |
Apply to moist soil. Do not use on light soils. |
|
30 days or more after planting |
Annual broadleaf weeds & grasses |
Casoron G4 |
110 kg |
45 kg |
Must be irrigated into soil immediately after application. Refer to text. |
Emerged grasses (1-6 leaf stage) |
Annual grasses, volunteer cereals, quackgrass |
Poast Ultra |
320-470 mL (1.1 L for quackgrass) |
130-190 mL (445 mL for quackgrass) |
Apply in a band under trees. Use Merge Adjuvant at 1% v/v in 100-200 water/ha.
|
Emerged weeds in 2-4 leaf stage |
Annual grasses |
Venture l |
1 L |
0.4 L |
Does not control annual bluegrass. |
Rapid growth 3-5 leaf stage |
Quackgrass |
Venture l |
2 L |
0.8 L |
Provides suppression only. |
Emerged weeds less than 5 cm |
Annual broadleaf weeds |
Basagran |
2.25 L |
0.9 L |
Direct application to avoid crop. Requires a surfactant. |
Throughout season -vegetation 10 cm or less |
Annual & perennial broadleaf weeds & grasses |
Gramoxone N |
5.5 L |
2.2 L |
Avoid contact with foliage& green bark of trees. |
Time of Application |
Weeds |
Material |
Rate |
Notes |
|
Hectare |
Acre |
||||
Late fall, late winter or early spring |
Annual & perennial broadleaf weeds & grasses |
Casoron G4 |
110-175 kg |
45-70 kg |
For late winter/early spring application, apply just prior to or during rainfall. Lower rates for annuals. |
Late winter or early spring
|
Selected annual grasses & broadleaf weeds |
Alion |
375 mL |
152 mL |
Apply to only once per season before weed seeds germinate. Apply to moist soil and/or irrigate after application. |
Annual broadleaf weeds & grasses |
Sinbar |
0.9 –1.25 kg |
0.35-0.5 kg |
Apply to moist soil & to trees 3 yrs & older. High rates on heavier soils. |
|
Annual grasses & some broadleaf weeds |
Prowl H20 |
3.7 L |
1.5 L |
Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application. |
|
Annual grasses & some broadleaf weeds |
Dual Magnum |
1.25-1.75 L |
0.5- 0.7 L |
Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application. |
|
Annual grasses & some broadleaf weeds |
Devrinol |
9 kg |
3.6 kg |
Sensitive to UV light. Apply just prior to or during rainfall. |
|
Mid spring1
|
Annual & perennial broadleaf weeds & grasses 10 cm or less |
Gramoxon2 N |
5.5 L |
2.2 L |
Avoid contacting foliage. Use high spray volume. |
Annual broadleaf weeds & grasses |
glyphosate2 Various products available3 |
2.25-3.5 L |
0.9-1.4 L |
Avoid contacting foliage & green bark. |
|
Perennial broadleaf weeds & grasses |
glyphosate2 Several products available3 |
4.5-7 L |
1.8-2.8 L |
Avoid contacting foliage & green bark. |
|
Difficult-to-control perennials e.g. field bindweed |
glyphosate2 Several products available3 |
10-12 L |
4-4.8 L |
Avoid contacting foliage & green bark. |
|
Annual broadleaf weeds & grasses & some perennials |
Ignite2
|
3-5 L |
1.3-2.1 L |
Avoid contacting foliage & green bark |
|
Quackgrass |
Venture l |
2 L |
0.8 L |
Provides suppression only. |
|
Annual grasses |
Venture l |
1L |
0.4L |
Does not control annual bluegrass. |
|
Annual braodleaf weeds
|
Aim |
36.5 - 117 mL
|
15 - 47 mL
|
Range of rates according to target weeds. May be tank-mixed with other herbicides (see label). |
|
Rate for spot treatment of sukkers. Add adjuvant according to label. |
|||||
Emerged grasses (1-6 leaf stage) |
Annual grasses, volunteer cereals, quackgrass |
Poast Ultra |
320-470 mL (1.1 L for quackgrass) |
130-190 mL (445 mL for quackgrass) |
Apply in a band under trees. Use Merge Adjuvant at 1% v/v in 100-200 water/ha.
|