DiseaseHigh Severity

Plum Non-Bearing Leaf Scald

Xylella fastidiosa

A bacterial disease that clogs water-conducting xylem cells and causes leaf scald symptoms. The bacterium is spread by leafhoppers and affects flowering fruit trees, causing them to bloom earlier and hold leaves later in fall.

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Plum leaf showing bacterial leaf scald symptoms with marginal browning

Identification & Symptoms

What to Look For

Fading or bronzing along leaf margins or tips
Dry brown leaf tissue death
Leaves die inward from margin in steps
Symptomatic leaves drop in late summer
Trees bloom several days earlier than healthy trees
Leaves held later into fall
Shortened internodes making trees appear more compact

Potential Damage

Progressive leaf death and defoliation
Altered flowering and leaf retention patterns
Eventual death of entire tree if untreated
Reduced tree vigor and productivity

Lifecycle

Spread by leafhoppers with high vector populations contributing to heavy infections. Disease is widespread throughout North America.

Professional Treatment Approach

1

Control leafhopper vectors with insecticides

2

Remove and destroy infected plant material

3

Improve tree health and vigor

4

Plant resistant varieties where available

5

Antibiotic treatments in some cases

Recommended Mauget Products

Imicide

Professional-grade treatment specifically effective against plum non-bearing leaf scald.

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Tree-äge

Professional-grade treatment specifically effective against plum non-bearing leaf scald.

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Need Professional Diagnosis?

Our certified arborists can help you accurately identify tree problems and develop an effective treatment plan using Mauget's proven injection systems.

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