Time of Application |
Weeds |
Material |
Rate |
Notes |
|
Hectare |
Acre |
||||
After soil settled; prior to weed emergence |
Mainly annual broadleaf weeds |
Simazine – choose; Simazine 80W or Princep Nine-T |
1.25 kg 1.1 kg |
0.56 kg 0.5 kg |
Apply to moist soil &/or irrigate after application. |
Annual grasses & some broadleaf weeds |
Devrinol |
9 kg |
3.8 kg |
Sensitive to UV light; apply to moist soil & irrigate after application. |
|
Annual broadleaf weeds & grasses |
Simazine –choose : Simazine 80W or Princep Nine-T + Devrinol |
1.25 kg 1.1 kg 9 kg |
0.56 kg 0.5 kg 3.8 kg |
As above. |
|
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 |
Simazine-choose: Simazine 80W or Princep Nine-T + Dual Magnum |
1.25 kg 1.1 kg 1.25-1.75 L |
0.56 kg 0.5 kg 0.5-0.7 L |
As above. |
|
30 days or more after planting
|
Annual broadleaf weeds & grasses |
Casoron G4 |
110 kg |
45 L |
Must be irrigated into soil immediately after application. Refer to text in Section 9. |
Emerged weeds less than 5 cm |
Annual broadleaf weeds |
Basagran |
2.25 L |
0.9 L |
Direct application to avoid crop. Requires a surfactant. |
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. |
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. See text Section 9. Lower rates for annuals. |
Annual broadleaf weeds & selected grasses |
Chateau |
280-420 g |
112-168 g |
Reguires moisture to activate. Apply before bud break. Check label for soil type and rate combinations. |
|
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 |
Simazine-choose: Simazine 80W or Princep Nine-T |
1.9-3.8 kg 1.7-3.3 kg |
0.8-1.5 kg 0.7-1.4 kg |
Apply to moist soil. High rates only on well established trees on heavier soils. |
|
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. |
|
Annual grasses & broadleaf weeds |
Sencor 500 |
1.5 L |
0.6 g |
Calibrate well to ensure crop safety. |
|
Mid spring1
|
Annual & perennial broadleaf weeds & grasses 10 cm or less |
Gramoxone2 N
|
5.5 L |
2.2 L |
Avoid contacting foliage. Use high spray volume.
|
Quackgrass |
Venture l |
2 L |
0.8 L |
Provides suppression only. |
|
Annual grasses |
Venture l |
1L |
0.4L |
Does not control annual bluegrass. |
|
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 Various products available3 |
4.5-7 L |
1.8-2.8 L |
Avoid contacting foliage & green bark.
|
|
Difficult-to-control perennials e.g. field bindweed |
glyphosate 2 Various 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. |
|
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. |
1 GRAMOXONE, glyphosate and IGNITE treatments can be repeated as required during the season respecting days-before-harvest limitations.
2 GRAMOXONE, glyphosate and IGNITE can be followed by simazine or DEVRINOL applications for residual control.
3 Glyphosate is available in several formulations of different salts. Different salts may affect activity. Be sure to check the label for amount of active ingredient.
.