Arborjet · insecticide
TREE-äge G4: rate per inch, label facts, and uses
TREE-äge G4 is the Arborjet emamectin benzoate injectable most crews learned emerald ash borer on. Two to three seasons from one injection on ash, and a label that covers borers, caterpillars, bagworm, and pine wilt. The rate table by DBH band, with the California table where it differs.
Label facts
TREE-äge G4
- Manufacturer
- Arborjet
- Active ingredient
- Emamectin benzoate 4%
- EPA registration no.
- Not an EPA-registered pesticide
- Category
- insecticide
- Application
- trunk injection
- Frequency
- Every 2-3 years
- Retreatment interval
- 730 days minimum
- Protection
- About 24 months
- Time to effect
- About 21 days
Read the TREE-äge G4 label (manufacturer PDF). The label is the legal document; this page is the app's copy of it.
Application months
per labelThe app does not carry a month window for this product; the pest’s treatment page sets the timing.
Rate table
Dose per tree by DBH band
Milliliters of product per tree, from the label table the app's calculator uses. Low, medium, and high are the label's pressure tiers; the treatment page for the pest says which one applies.
4 to 6
- Low
- 15 to 20 mL
- Medium
- 20 to 45 mL
- High
- 45 to 60 mL
7 to 9
- Low
- 20 to 30 mL
- Medium
- 30 to 65 mL
- High
- 65 to 90 mL
10 to 12
- Low
- 30 to 35 mL
- Medium
- 35 to 90 mL
- High
- 90 to 120 mL
13 to 15
- Low
- 35 to 45 mL
- Medium
- 45 to 110 mL
- High
- 110 to 150 mL
16 to 18
- Low
- 42 to 55 mL
- Medium
- 55 to 135 mL
- High
- 135 to 180 mL
19 to 21
- Low
- 50 to 60 mL
- Medium
- 60 to 160 mL
- High
- 160 to 210 mL
22 to 24
- Low
- n/a
- Medium
- 115 to 180 mL
- High
- 180 to 240 mL
25 to 27
- Low
- n/a
- Medium
- 130 to 200 mL
- High
- 200 to 270 mL
28 to 30
- Low
- n/a
- Medium
- 145 to 225 mL
- High
- 225 to 300 mL
31 to 33
- Low
- n/a
- Medium
- 160 to 250 mL
- High
- 250 to 330 mL
34 to 36
- Low
- n/a
- Medium
- 175 to 270 mL
- High
- 270 to 360 mL
37 to 39
- Low
- n/a
- Medium
- 190 to 290 mL
- High
- 290 to 390 mL
40 to 42
- Low
- n/a
- Medium
- 205 to 300 mL
- High
- 300 to 400 mL
Worked examples
Dose per tree
TREE-äge G4
8″ DBH
20 to 30 mL low, 30 to 65 mL medium, 65 to 90 mL high (label band 7 to 9 in)
TREE-äge G4
14″ DBH
35 to 45 mL low, 45 to 110 mL medium, 110 to 150 mL high (label band 13 to 15 in)
TREE-äge G4
24″ DBH
115 to 180 mL medium, 180 to 240 mL high (label band 22 to 24 in)
For the tree in front of you, with injection sites and the pest tier applied, use the tree injection rate calculator.
Labeled uses
What the label covers
Treatment guides that use TREE-äge G4
Target pests and diseases on the label (98)
Ambrosia Beetles · Apple Borers · Asian Longhorned Beetle · Azalea Caterpillar · Bagworms · Bark Beetles · Birch Leafminer · Borers · Boxwood Leafminer · Bronze Birch Borer · California Oakworm · Carpenter Worm · Catalpa Sphinx · Caterpillars · Clearwing Borers · Cypress Tip Moth · Deodar Weevil · Dogwood Borer · Douglas Fir Tussock Moth · Douglas-Fir Beetle · Eastern Tent Caterpillar · Emerald Ash Borer · Eriophyid Mites · Eucalyptus Longhorned Borer · Fall Webworm · Fir Bark Beetle · Fir Engraver · Flatheaded Appletree Borer · Flatheaded Borers · Foliar Nematodes · Gall Makers · Goldspotted Oak Borer · Granulate Ambrosia Beetle · Hemlock Looper · Hemlock Woolly Adelgid · Hickory Bark Beetle · Honeylocust Plant Bug · Horned Oak Gall · Ips Engraver Beetles · Japanese Beetle · Jeffrey Pine Beetle · Larch Casebearer · Larch Sawfly · Leaf Miners · Leaf Rollers · Leafminer · Lesion Nematodes · Lilac Borer · Lilac/Ash Borer · Locust Borer · Maple Petiole Borer · Mountain Pine Beetle · Nematodes · Oak Leaf Roller · Oak Processionary Moth · Obliquebanded Leafroller · Oleander Caterpillar · Persimmon Borer · Pine Bark Beetle · Pine Bark Beetles · Pine Needle Scale · Pine Sawfly · Pine Sawyer Beetle · Pine Shoot Beetle · Pine Tip Moth · Pine Wilt Nematode · Pitch Mass Borer · Plant Bugs · Plant-Parasitic Nematodes · Plantbugs · Red Oak Borer · Red Palm Mite · Red Turpentine Beetle · Redbay Ambrosia Beetle · Redbud Leaffolder · Rhododendron Borer · Ring Nematodes · Root-Knot Nematodes · Roundheaded Borers · Sawflies · Southern Pine Beetle · Spider Mites · Spongy Moth · Spruce Bark Beetle · Spruce Budworm · Spruce Needle Miner · Stunt Nematodes · Tent Caterpillars · Twig Girdler · Two-Lined Chestnut Borer · Walnut Caterpillar · Walnut Twig Beetle · Western Oak Bark Beetle · Western Pine Beetle · Winter Moth · Wood Borers · Yellow Poplar Weevil · Zimmerman Pine Moth
The label check runs this list against the host, the pest, the month, the dose, and the last application on the tree before a prescription goes out.
FAQ
Questions arborists ask
What is TREE-äge G4?
TREE-äge G4 is a insecticide from Arborjet with Emamectin benzoate 4% as the active ingredient. It is applied by trunk injection.
What is the TREE-äge G4 rate per inch of DBH?
The label sets the dose by DBH band, not a flat rate per inch. A 8 inch tree takes 20 to 30 mL low, 30 to 65 mL medium, 65 to 90 mL high (label band 7 to 9 in). The PHC Rx calculator reads the band for the tree in front of you and sets the number of injection sites.
How often can TREE-äge G4 be applied?
Label frequency: Every 2-3 years. Minimum retreatment interval 730 days. Expected protection about 24 months. Time to effect about 21 days.
What does TREE-äge G4 treat?
The label lists 98 target pests or diseases. The treatment guides on this site that use it: bagworms, bronze birch borer, emerald ash borer, hemlock woolly adelgid, japanese beetle, pine wilt, two lined chestnut borer. Each guide has the rate, the timing window, and the alternatives.
Where do these numbers come from?
The PHC Rx product catalog, built from the TREE-äge G4 label linked above, and synced to this page from the app. The label is the legal document; if the two disagree, the label wins and the catalog gets fixed.
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