DiseaseHigh Severity

Pine Pitch Canker

Fusarium circinatum

A devastating fungal disease affecting pine trees worldwide, causing resinous cankers, shoot dieback, and tree mortality. This disease is particularly severe on Monterey pine and other susceptible pine species.

Peak Season: Most active during warm, humid conditions in spring and summer, but can occur year-round in suitable climates
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Pine pitch canker showing characteristic resinous bleeding cankers and branch dieback on infected pine tree

Identification & Symptoms

What to Look For

Copious resin flow from cankers on trunk and branches
Yellowing and wilting of shoots and branches
Sunken, elongated cankers with resin bleeding
Crown dieback starting from infected branches
Needle browning and branch flagging

Potential Damage

Progressive canker expansion leading to girdling
Extensive branch dieback and crown loss
Reduced tree vigor and growth
Complete tree mortality in severe infections
Economic losses in pine plantations

Lifecycle

The fungus spreads through airborne spores, insect vectors, and contaminated tools. It infects through wounds and natural openings, particularly during warm, humid conditions.

Professional Treatment Approach

1

Prune infected branches well below visible symptoms

2

Apply systemic fungicide treatments

3

Improve tree vigor through proper nutrition

4

Sterilize pruning tools between trees

5

Plant resistant pine species where available

Recommended Mauget Products

Fungisol

Professional-grade treatment specifically effective against pine pitch canker.

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Tebuject-16

Professional-grade treatment specifically effective against pine pitch canker.

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Abasol

Professional-grade treatment specifically effective against pine pitch canker.

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