Mauget · antibiotic

MYCOJECT® ULTRA: rate per inch, label facts, and uses

MYCOJECT ULTRA is the Mauget oxytetracycline capsule at the higher concentration, the antibiotic for bacterial leaf scorch and fire blight on trees with a heavy history. Spring, moving water, annual. What it does and does not do, the rate table by DBH band, and the conversation to have before the first capsule.

Run the dose in the calculator See the label check

Label check

1 warning

Target pest listed on labelPass

Host species listed on labelPass

Delivery method permittedPass

Timing inside application windowPass

Reapplication interval — 21 days requiredWarning

Last application was 14 days ago. Proceed with a documented override, or reschedule.

Label facts

MYCOJECT® ULTRA

Manufacturer: Mauget
Active ingredient: Oxytetracycline Hydrochloride 4.3%
EPA registration no.: 7946-32
Category: antibiotic
Application: trunk injection
Frequency: Every 3 to 4 months for severe infections; typically annual.
Retreatment interval: 365 days minimum
Protection: About 12 months
Time to effect: About 14 days

Read the MYCOJECT® ULTRA label (manufacturer PDF). The label is the legal document; this page is the app's copy of it.

Application months

per label

The 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.

2 to 4

Low: 6 to 12 mL
Medium: 6 to 12 mL
High: 6 to 12 mL

5 to 7

Low: 12 to 18 mL
Medium: 12 to 18 mL
High: 12 to 18 mL

8 to 10

Low: 24 to 30 mL
Medium: 24 to 30 mL
High: 24 to 30 mL

11 to 13

Low: 30 to 36 mL
Medium: 30 to 36 mL
High: 30 to 36 mL

14 to 19

Low: 42 to 54 mL
Medium: 42 to 54 mL
High: 42 to 54 mL

20 to 24

Low: 60 to 72 mL
Medium: 60 to 72 mL
High: 60 to 72 mL

25 to 30

Low: 72 to 90 mL
Medium: 72 to 90 mL
High: 72 to 90 mL

31 to 36

Low: 90 to 108 mL
Medium: 90 to 108 mL
High: 90 to 108 mL

37 to 42

Low: 108 to 126 mL
Medium: 108 to 126 mL
High: 108 to 126 mL

DBH band (in)	Low	Medium	High
2 to 4	6 to 12 mL	6 to 12 mL	6 to 12 mL
5 to 7	12 to 18 mL	12 to 18 mL	12 to 18 mL
8 to 10	24 to 30 mL	24 to 30 mL	24 to 30 mL
11 to 13	30 to 36 mL	30 to 36 mL	30 to 36 mL
14 to 19	42 to 54 mL	42 to 54 mL	42 to 54 mL
20 to 24	60 to 72 mL	60 to 72 mL	60 to 72 mL
25 to 30	72 to 90 mL	72 to 90 mL	72 to 90 mL
31 to 36	90 to 108 mL	90 to 108 mL	90 to 108 mL
37 to 42	108 to 126 mL	108 to 126 mL	108 to 126 mL

Worked examples

Dose per tree

MYCOJECT® ULTRA

8″ DBH

24 to 30 mL low, 24 to 30 mL medium, 24 to 30 mL high (label band 8 to 10 in)

MYCOJECT® ULTRA

14″ DBH

42 to 54 mL low, 42 to 54 mL medium, 42 to 54 mL high (label band 14 to 19 in)

MYCOJECT® ULTRA

24″ DBH

60 to 72 mL low, 60 to 72 mL medium, 60 to 72 mL high (label band 20 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 MYCOJECT® ULTRA

Target pests and diseases on the label (35)

Alternaria Leaf Spot · Ash Yellows · Bacterial Black Spot · Bacterial Blight · Bacterial Canker · Bacterial Leaf Scorch · Bacterial Leaf Spot · Bacterial Spot · Botryosphaeria Canker · Brown Rot · Butternut Canker · Canker Diseases · Cercospora Leaf Spot · Cherry Leaf Spot · Citrus Canker · Coconut Lethal Yellowing · Crown Gall · Cytospora Canker · Elm Yellows · Entomosporium Leaf Spot · Fire Blight · Hypoxylon Canker · Leaf Blight · Leaf Scorch · Leaf Spot · Lethal Bronzing (Palm) · Lethal Yellowing · Nectria Canker · Pine Pitch Canker · Seiridium Canker · Tar Spot · Walnut Blight · Wetwood/Slime Flux · Witches Broom · X-Disease

Labeled hosts

Pears (non-bearing) · Peaches (non-bearing) · Apples (non-bearing) · Nut trees (non-bearing) · Palm trees · Elm trees · Oak trees · Maple trees

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 MYCOJECT® ULTRA?

MYCOJECT® ULTRA is a antibiotic from Mauget with Oxytetracycline Hydrochloride as the active ingredient, EPA registration number 7946-32. It is applied by trunk injection.

What is the MYCOJECT® ULTRA rate per inch of DBH?

The label sets the dose by DBH band, not a flat rate per inch. A 8 inch tree takes 24 to 30 mL low, 24 to 30 mL medium, 24 to 30 mL high (label band 8 to 10 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 MYCOJECT® ULTRA be applied?

Label frequency: Every 3 to 4 months for severe infections; typically annual. Minimum retreatment interval 365 days. Expected protection about 12 months. Time to effect about 14 days.

What does MYCOJECT® ULTRA treat?

The label lists 35 target pests or diseases. The treatment guides on this site that use it: bacterial leaf scorch, fire blight. 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 MYCOJECT® ULTRA 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.

MYCOJECT® ULTRA: rate per inch, label facts, and uses

MYCOJECT® ULTRA

Dose per tree by DBH band

Dose per tree

What the label covers

Questions arborists ask

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