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How to Manage Pests

UC Pest Management Guidelines

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Eggplant

Distorted Leaves (Shoestringing)

Pathogen: Unknown

(Reviewed 4/10, updated 4/10)

In this Guideline:

SYMPTOMS

Plants affected by shoestringing disorder have narrow, leathery leaves. Holes appear in the middle and margins of leaves as if chewed by insects. Symptoms appear very similar to virus or 2,4-D drift. In severe cases the plants are chlorotic and can be very stunted. This disorder has been observed in fields with and without black plastic mulches, but its appearance seems to coincide with very warm temperatures at certain growth stages.

COMMENTS ON THE DISEASE

The cause of this malady is unknown and currently there are no management guidelines.

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Eggplant
UC ANR Publication 3475
Abiotic Disorders
J. J. Stapleton, UC IPM, Kearney Agricultural Center, Parlier
R. M. Davis, Plant Pathology, UC Davis

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