Pears


Pears – Year of Planting

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.

 

Pears – Bearing

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

glyphosate

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. 

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