Vegetable Production Guide

Dill
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Table 1 Dill Chemical Weed Control

This section was updated - 12 January 2018

Table 1 Dill Chemical Weed Control

 

Product

Rate

PHI*

Comments

Guardsman/ Agricultural Weedkiller No. 1

(mineral oil)
Whole field treatment:
600 to 800 L/ha
(243 to 324 L/acre)

Row treatment:
300 to 400 L/ha
(121 to 162 L/acre)
30
  • Apply when plants are in 2 to 4 leaf stage and before weeds are 10 cm high.
  • Crop damage may result if sprays are applied in hot, dry weather or when the plants are wet with dew or rain.
  • Controls redroot pigweed, lamb’s quarter, purslane and annual grasses.
  • Pineappleweed and wormseed mustard are not controlled consistently.
  • Note: Other solvents may cause crop damage.

Select 

(clethodim)

0.19 to 0.38 L/ha                                             (75 to 155 mL/acre)

Apply in 110 L/ha (45 L/acre) of water at 275 kPa

40
  • Apply post-emergence of weeds and crop.
  • Controls annual grasses and suppresses quackgrass at the 2 to 6 leaf stage.
  • Use only with the adjuvant Amigo at 0.5 to 1.0% v/v.
  • Apply early, prior to tillering.
  • Maximum of 1 application per year.
  • Do not apply more than 0.38 L/ha (154 mL/acre) per season.
  • Allow 4 days after treatment before applying any other chemical not listed on the label.
  • Do not enter treated area for 12 hours.
  • Group 1 herbicide.

Centurion

(clethodim)

Edge

(ethalfluralin)

Group 3
17 to 28 kg/ha
(6.9 to 11.3 kg/acre)
N/A
  • Apply pre-plant incorporated.
  • See label for incorporation instructions.
  • Initial incorporation must take place within 24 hours of applications.
  • Do not apply to fields spread with manure in the last 12 months.
  • See label for rates on soil types and organic matter levels.
  • Do not use on soils with less than 2% or more than 15 % organic matter (peat or muck soils).

Linuron 400L

(linuron)

Group 7
 
Note:  no longer available. Registration expires December 2019
Loam or clay soil with low organic matter:
1.5 to 2.0 L/ha
(600 to 800 mL/acre)

Muck or clay Soils with med. organic matter:
2.0 to 2.75 L/ha
(0.8 to 1.1 L/acre)
N/A
  • Plant seeds at least 1.5 cm deep.
  • Apply after planting.
  • Apply once per season.
  • Rain or irrigation is needed for good control.
  • Do not apply on coarse textured soils with less than 2% organic matter.
  • Do not replant to other crops within 4 months of last application.
  • May cause damage to turnips grown the following year.

Lorox L

(linuron)

Group 7
Pre-emergence:
Loam or clay soil with low organic matter:
1.3 to 1.9 L/ha
(520 - 760 mL/ac)

Muck or clay soils with
med. organic matter:
1.9 to 2.5 L/ha
(0.76 - 1.0 L/acre)
60 Pre-Emergence:
  • Plant seed at least 1.3 cm deep.
  • Do not apply more than 1.9 L/ha if following with a post-emergence application of Lorox L.
  • Do not use on sandy or coarse-textured soils low in organic matter.
  • Rain or irrigation is needed for good control.
  • Check label for pre-emergence plus post-emergence directions.
Post-emergence:
1.9 to 4.7 L/ha (0.76 - 1.9 L/acre)

Apply in 220 to 440 L/ha (90 to 180 L/acre) of water at 275 kPa.
Post-Emergence:
  • Apply when crop has 2 or more developed leaves.
  • Apply before annual grasses reach 5 cm and broadleaves 15 cm tall.
  • Apply during cool part of the day.
  • Do not tankmix with an oil or surfactant or crop damage may occur.

Poast Ultra plus Merge at the following rates:

 

Poast Ultra

Merge

Annual grasses (incl volunteer cereals) 320 mL/ha
(130 mL/acre)
0.5 - 1.0 L/ha
(0.2-0.4 L/acre)
Annual grasses & quackgrass suppression 470 mL/ha
(190 mL/acre)
0.5 - 1.0 L/h
a (0.2-0.4 L/acre)
Quackgrass 650 mL/ha (260 mL/acre) 1.0–2.0 L/ha (0.4-0.8 L/acre)
N/A
  • Apply post-emergence.
  • The maximum rate of application is 0.65 L/ha (0.26 L/acre).
  • Annual bluegrass is not controlled.
  • Apply when annual weeds are in the 1 to 6 leaf stage and when quackgrass is in the 1 to 3 leaf stage.
  • Apply in 50 to 200 L/ha (20 to 80 L/acre) of water.
  • Pressure varies with different water volumes, see label for detail.
  • Group 1 herbicide.
  • Do not enter treated area for 12 hours.
  • Observe a 30 day plant back restriction on crops not found on the label.
*PHI = Pre-harvest interval
BUFFERS – Refer to product label for buffer requirements. See also Pesticide Regulations and Safety section of this guide.
PESTICIDE GROUP DETAILS – see Pesticide Toxicity Table of this guide.

 

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