Vegetable Production Guide

Cucurbits
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Table 2 Cucurbit Insect Control

This section was updated - 15 June 2017

Table 2 Cucurbit Insect Control

Product

Rate

PHI*

Comments

Aphids

Movento 240SC


(spirotetramat)

Group 23

220 to 365 mL/ha
(90 to 150 mL/acre)

Apply in 300 L/ha
(120 L/acre) of water 

1
  • Repeat at 7 day intervals.
  • Maximum allowed per crop season: 730 mL/ha (295 mL/acre).
  • Use with one of the following adjuvants: non-ionic (eg. Agral 90 or Ag-Surf) or methylated seed oil (eg. Hasten).
  • Do not enter treated area for 12 hours.
  • Toxic to bees.  Do not apply during crop flowering period or when flowering weeds are present. 

Beleaf


(flonicamid)

Group 9C
120 to 160 g/ha
(50 to 60 g/acre)

Apply in 94 L/ha (38L/acre) of water.
0
  • Repeat at 7day intervals as needed.
  • Do not apply more than 3 times per year.
  • Do not apply more than 480 g/ha (200 g/acre) of product per season.

Exirel
(cyantraniliprole)

Group 28

 500 to 1500 mL/ha
(200 to 605 mL/acre)

Apply in 100 L/ha (40 L/acre) of water

 
  • Also controls cutworm.  See section of this table.
  • Do not make more than 4 applications per growing season.
  • Repeat at 5 day intervals.
  • Use with an adjuvant such as Hasten NT at a rate of 0.25% v/v or MSO Concentrate with Leci-Tech at a rate of 0.5% v/v.
  • Do not apply more than 4.5 L/ha (1.8 L/acre) per season.
  • Toxic to bees and certain beneficial insects.  Apply early in the morning or late in the evening when bees are not active.
  • Note:  Do not tank-mix or apply in sequence with strobilurin-, copper- or captan-containing fungicides.
  • Observe a plantback interval of 30 days for legume vegetables, cereals, grass, crop group 1A (inlcuding beets, carrots, radish, parsnip, turnip) and crop group 2 (inlcuding beet greens and turnip greens). 
  • Observe a plantback interval of 1 year for crops not on this label.
  • Do not enter treated area for 12 hours.

Admire 240F

(imidacloprid)
Group 4
Transplant soil application:
7.5 mL per 100m of row
 
(see rate conversion chart of label for row spacing calculations)
21
  • Use one of the following methods:
  • Apply specified dosage in 2000 L/ha (800 L/ac) of water as a narrow (5 cm or less) surface band over the seedline during planting.
  • Seedlings or established transplants: apply in 200 L/ha (80 L/ac) of water as a subsurface side-dress on both sides of each row. Product must be incorporated into the root zone.
  • Post-seeding drench or transplant-water drench: use higher water volumes to thoroughly wet the soil
  • Do not apply more than once per season as a soil application.
  • Do not make any subsequent application of a group 4 insecticide.

Sivanto Prime

(flupyradifurone)

Group 4D

Soil Application:

Up to 26,650 plants per ha:   750 mL per 10,000 plants

Up to 20,000 plants per ha: 1000 mL per 10,000 plants
21
  • Apply using chemigation into the root-zone through low-pressure drip, trickle, micro-sprinkler or equivalent equipment.
  • Do not use in greenhouses. 
  • Do not follow a soil application of Sivanto Prime with a foliar application of Sivanto Prime or other Group 4D insecticide.
  • Do not apply more than  2000 mL/ha (810 mL/acre) of product per season.
  • Do not enter treated areas for 12 hours.

Foliar:

500 to 750 mL/ha (200 to 300 mL/acre)

1
  • Do not use in greenhouses. 
  • Repeat at a 7 day interval.
  • Do make a foliar application of Sivanto Prime following a soil application of Sivanto Prime or other Group 4D insecticide.
  • Do not exceed a total of 2000 mL/ha (810 mL/acre) of product per season.
  • Toxic to bees.  Do not apply to flowering crops or weeds if bees are visiting the treatment area.
  • Do not enter treated areas for 12 hours.

Cutworms

Lorsban 4E / Lorsban NT


(chloropyrifos)
1.2 to 2.4 L/ha
(0.5 to 1.0 L/acre)

Apply in 200 to 400 L/ha (80 to 160 L/acre) of water
60
  • Registered on cucumber only.
  • Apply at the seedling (2 to 5 leaf) stage, when damage first appears.
  • Best results are obtained when application is made during the afternoon or early evening.
  • Do not make more than 1 application per season.
  • Do not enter treated area for 24 hours.
  • Group 1B insecticides.

Pyrinex 480EC


(chloropyrifos)

Sevin XLR


(carbaryl)

Group 1A

2.5 L/ha (1.0 L/acre) 

5
  • Also controls cucumber beetle.
  • Use sufficient water to wet the soil around the base of each plant.
  • Maximum of 2 applications per year.
  • Repeat at a 7 day interval.
  • Sprays should be applied on a warm evening.
  • Do not apply when foliage is wet or when rain or excessive humidity is expected during the next 2 days.
  • Toxic to bees.  Do not apply during crop blooming period. 
  • Do not enter treated area for hand-line irrigation for 7 days.  Do not re-enter for hand-harvesting, scouting, turning, weeding, tying or staking for 3 days.

Coragen


(chlorantraniliprole)

Group 28
250 mL/ ha
(100 mL/ ac)

Apply in 100L/ha
(40L/acre) of water
1
  • Apply to smaller plants or when lower portions of the plant can receive adequate coverage.
  • Repeat at 5 day intervals as needed.
  • Do not make more than 4 applications per season.
  • Do not apply more than 1.125 L/ha (455 mL/ac) of per season.
  • Do not enter treated area for 12 hours.

Exirel
(cyantraniliprole)

Group 28
500 to 750 mL/ha
(200 to 305 mL/acre)

 

Apply in 100 L/ha (40 L/acre) of water

1
  • Also controls aphids.  See section of this table.
  • Do not make more than 4 applications per growing season.
  • Repeat at 7 day intervals.
  • Do not apply more than 4.5 L/ha (1.8 L/acre) per season.
  • For early season control, apply to foliage when rain is not expected in the next 24 hours.
  • Ensure adequate coverage to lower portions of plant.
  • Toxic to bees and certain beneficial insects.  Apply early in the morning or late in the evening when bees are not active.
  • See aphid section comments for tank-mix precautions and plantback intervals.
  • Do not enter treated area for 12 hours.

Mites

Oberon


(spiromesifen)

Group 23

500 to 600 mL/ha
(200 to 240 mL/acre)

Apply in 100 L/ha (40L/acre) of water

7
  • Repeat at 7 day intervals as needed.
  • Do not make more than 3 applications per season.
  • Do not enter treated area for 12 hours.

Acramite 50WS

(bifenazate)

Group 25

851 g/ha (344 g/acre) - rate is equivalent to 15 pouches per 4 ha

Apply in 500 L/ha (200 L/acre) of water

3
  • Controls two spotted spider mite.
  • Do not apply more than once per year.
  • Do not enter treated area for 12 hours.

Purespray Green Spray Oil 13E

(mineral oil)

Approved for use in organics

 

10 L of product in 1000 L of water (1% solution)  
  • Suppression only.
  • Use up to 1000 L/ha (400 L/acre) spray volume to ensure thorough coverage.
  • Repeat at 7 to 14 day intervals.
  • Do not make more than 8 summer spray applications per growing season.
  • For first use on a new variety, test spray a small field area to check for plant tolerance prior to adoption as a general field practice.
  • A period of 14 days must elapse before chlorothalonil (Bravo) is applied before or after an application of Purespray Green Spray Oil 13E.
  • Do not apply during periods of drought, when plants exhibit moisture stress. 
  • Do not enter treated area for 12 hours.

Cucumber Beetle

Surround WP

(kaolin)
12.5 to 25 kg/ha
(5 to 10 kg/acre)

Apply in 500 L/ha (200 L/acre) of water
0
  • Suppression only.
  • Do not apply more than 5 times per year.
  • Apply at 5 to 7 day intervals with first 2 application 3 days apart starting prior to infestation of adult beetles.
  • During wet weather reapply as soon as foliage is dry to re-establish coverage.
  • May alter harvest parameters and may delay maturity.

 Matador 120 EC

(Lambda-cyhalothrin)

Group 3

187 to 233 mL/ha
(76 to 94 mL/acre)

Apply in 100 to 200 L/ha (40 to 80 L/acre) of water

1
  • Repeat at 7 day intervals.
  • Do not make more than 3 applications per growing season.
  • Do not enter treated area for 24 hours.

Clutch 50 WDG
(clothianidin)

140 g/ha
(57 g/acre)
7
  • Suppression only.
  • Repeat at 7 day interval.
  • Do not apply more than twice per season.
  • Toxic to bees. Do not apply to flowering crops if bees are foraging.
  • Do not use in areas treated with clothianidin during the previous season.
  • Observe a one year plantback interval for leafy, root and tuber vegetables (except potato).
  • Do not enter treated areas for 12 hours.
  • Group 4A insecticides.

Clothianidin
(clothianidin)

*PHI = Pre-harvest interval. = Very Toxic
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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