Plums/Prunes


Plums/Prunes – Year of Planting

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 broadleaf weeds & grasses

Sinbar

1.5 kg

0.6-1.2 kg

Apply to moist soil.  Do not use on light soils.

Annual grasses & some broadleaf weeds
 

Dual or Dual II Magnum

 

1.25-1.75 L

0.5-0.7 L

Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application.

30 days or more after planting

Annual broadleaf weeds & grasses

 

Casoron G4

 

110 kg

45 kg

Must be irrigated into soil soon after application.
Refer to instructions in text.

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 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

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

 

 

Plums/Prunes – Bearing

Time of

Application

Weeds

Material

Rate

Notes

Hectare

Acre

Late fall, late winter or early spring



 

Annual broadleaf weeds & some grasses

Chateau

280-420 kg

112-168 g

Moisture required to activate. Check label for soil type and rate combinations.

Annual & perennial broadleaf weeds & grasses


 

Casoron G4


 

110-175 kg



 

45-70 kg



 

Best when irrigated after application. Lower rates for annuals.  See text for more detailed information.  

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 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 & some grasses

Sencor

1.5 L

0.6 L

Calibrate sprayer well to ensure crop safety.

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.

Mid spring2

Annual & perennial broadleaf weeds & grasses <10 cm

Gramoxone N2

 


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

Various products available3


4.5-7 L


1.8-2.8 L

Avoid contacting foliage & green bark.

Difficult-to-crontrol perennials e.g. field bindweed

Glyphosate2

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.
 

2    GRAMOXONE, glyphosate and IGNITE treatments can be repeated as required during the season, respecting days-before-harvest limitations.

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.