Herbicide Recommendationsf M k l W t lfor Muskmelon, Watermelon,

and CucumberJoe Masabni

UKRECPrinceton, KY,

Joe Masabni

Preemergence

Herbicides

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Alanap 2LRate: 6 - 8 qt / A

PRE for broadleaves weed controlPRE for broadleaves weed control

A l ithi 48 h ft l ti• Apply within 48 hrs after planting.• Apply to moist soil or water in.

Li htl i t d d il diti• Lightly incorporate under dry soil conditions.• Alanap controls broadleaves, that is why it

complements Prefar Can be applied PRE orcomplements Prefar. Can be applied PRE or POST. Incorporate before seeding or apply soon after seeding. For POST, apply Alanap b f l i t

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before melons vine out.

Command 3ME

Rate: 0 4 - 0 1 pt / ARate: 0.4 - 0.1 pt / APRE for annual grasses and small-

seeded broadleaves weed controlseeded broadleaves weed control

• Apply to soil surface before transplanting or after seeding.

• Use low rate on coarse soils. • PHI = 45 days

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PHI 45 days.

Curbit 3ERate: 3 – 4.5 pt / A

PRE for annual grasses and broadleavesPRE for annual grasses and broadleaves weed control

Seeded: • Apply to soil within 2 days of seeding. • Do not incorporate.Do not incorporate. • Needs rain for activation.

Hea rainfall ma ca se inj rJoe Masabni

• Heavy rainfall may cause injury.

Curbit 3ERate: 3 – 4.5 pt / A

PRE for annual grasses and broadleavesPRE for annual grasses and broadleaves weed control

Transplanted: • Apply to soil between rows. • Do not apply over or under row coversDo not apply over or under row covers

or plastic. • Do not spray over top of transplants

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• Do not spray over top of transplants.

Dacthal 6FRate: 6 - 14 pt / A

PRE for grasses and small seededPRE for grasses and small-seeded broadleaves weed control

• Apply only to crop with 4-5 true leaves and well-established and when growing conditions are favorable.

• Do not incorporate.• Not labeled for transplanted crops

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• Not labeled for transplanted crops.

Goal 2XLGoal 2XLRate: 1 – 2 pt / A

PRE for certain annual grasses and most broadleaves

• For fallow bed preparation only• For fallow bed preparation only. • Best if used with glyphosate for control of

i t l b dl f dwinter annual broadleaf weeds. • Min. 60 days between application and

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planting.

Prefar 4ERate: 5 - 6 qt / A

PRE for broadleaves and grasses weedPRE for broadleaves and grasses weed control

• Apply and incorporate 1-2” before seeding or transplanting.seeding or transplanting.

• Apply PRE only if it can be watered in within 36 hrswithin 36 hrs.

• May stunt crop if used under clear plastic.

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• Best if tank mixed with Alanap.

Sandea 75DFRate: 0.5 - 1 oz / A

PRE for broadleaves and nutsedge weedPRE for broadleaves and nutsedge weed control

PRE under plastic: Apply after final bed preparation lay• Apply after final bed preparation, lay plastic, and wait 7 days before transplantingtransplanting.

• PHI = 57 days.

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Strategy 2.1E (Premix of Curbit and Command

R 3 6 / ARate: 3 - 6 pt / APRE for broadleaves and grasses weed control

• Apply to seeded crop before crop emergence or as fa banded spray between rows after crop

emergence or transplanting. N d ½” t ithi 2 d f ti ti• Needs ½” water within 2 days for activation.

• Do not incorporate.• Crop injury may occur under cool temperatures

that delay seedling emergence.PHI 45 d

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• PHI = 45 days.

Treflan 4ERate: 1.25 - 2 pt / A

PRE for annual broadleaves and grasses weed control

• Apply after emergence to plants with 3-4 true leavestrue leaves.

• Can be applied directed to soil between rows to older plantsrows to older plants.

• PHI = 30 days, except for watermelon = 60 d

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days.

Postemergence

Herbicides

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Aim 1.9EWRate: 0.5 – 1.5 fl.oz. /A

Contact POST for ann al broadlea es andContact POST for annual broadleaves and suppression of perennial broadleaves

• Apply preplant, pre-transplant burndown, before crop emergence or as a directedbefore crop emergence, or as a directed spray.Add il t t 1% /• Add crop oil concentrate 1% v/v.

• PHI = 0 days.

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• Max. rate 6.1 fl.oz. /A.

Alanap 2LRate: 6 - 8 qt / A

POST for broadlea es eed controlPOST for broadleaves weed control

POST:POST: • Apply only when plants have started to vine.

M b li d b d t l t d• May be applied broadcast over plants and plastic mulch.

• May be used under clear plastic.• Do not use if heavy rain is expected.

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y p

Sandea 75DF

Rate: 0 5 - 1 oz / ARate: 0.5 - 1 oz / APOST for broadleaves and nutsedge

weed controlweed control

POST bareground: • Apply only in row middles in direct-pp y y

seeded and transplanted melon.• Do not spray on plastic mulch

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Do not spray on plastic mulch.

Gramoxone Max 3LRate: 1.3 - 2.7 pt / A + NIS 1pt / 100gal POST for non selecti e contact eedPOST for non-selective contact weed

control

• Apply preplant, preemergence, or before transplanting in min 10 gal water/Atransplanting in min. 10 gal water/A.

• Apply banded or broadcast. • Use higher rate for heavy weed

infestations.

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• Use non-ionic surfactant 0.25% v/v.

Goal 2XLGoal 2XLRate: 1 – 2 pt / A

POST for certain annual grasses and most broadleaves

• For fallow bed preparation only. • Best if used with glyphosate for control

of winter annual broadleaf weeds. • Min. 60 days between application and

planting.

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p g

Poast 1.5ERate: 0.5 – 1.5 pt / A

POST for grass weed controlPOST for grass weed control

• Apply on actively growing grasses. • Use high rates for perennial grasses. g g• PHI = 14 days.• Max rate of 1 5 pt / application and 4 5• Max. rate of 1.5 pt / application and 4.5

pt/season.Add crop oil concentrate at 0 5 % v/v

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• Add crop oil concentrate at 0.5 % v/v.

Roundup WeatherMax 5.5LRate: 16 – 22 fl.oz. / A

POST for non-selective weed controlPOST for non selective weed control

• Use only AMS 1 – 2% v/v.Use only AMS 1 2% v/v. • Adding a non-ionic surfactant can reduce

weed control effectivenessweed control effectiveness. • Min. 3 days between application and

l tiplanting.• Min. 30 days before planting any non-

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labeled crop.

Scythe 4.2LRate: 1 – 10%

POST for non-selective contact weed controlPOST for non selective contact weed control

• Use in min. 10 gal water/A if mixed withUse in min. 10 gal water/A if mixed with other herbicides or a min. 75 gal if used alone.alone.

• Do not allow contact with crop foliage. C b i d ith R d• Can be mixed with Roundup.

• See label for amount of Scythe to use

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depending on the desired spray volume.

Select 2E

Rate: 6 – 8 fl.oz. / APOST for grass weed control

• Apply before actively growing grasses. • Use high rates for perennial grasses. g p g• PHI = 15 days.• Max 8 fl oz / application• Max. 8 fl.oz. / application.• Min. 14 days between applications.

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• Add crop oil concentrate at 1% v/v.