Causal Agent: 


Characteristic Symptoms:

Leaves become distorted and may curl downward.


Leaves often become fan-shaped and the major veins radiate from the leaf base.

Conditions for Disease Development
Melon plants under stress condition are generally prone to herbicide injury.
Herbicide injury is often the result of using highly volatile herbicide or spraying during windy periods.
Management and Control:
Use herbicides that are less volatile.
Apply herbicide in accordance with label instructions.
Avoid spraying of herbicide on extremely windy conditions.
Avoid pesticide applications when plants are under water stress.
Apply herbicide at proper time, rate and using the right application techniques.


Cucurbit Disease Field Guide. A disease reference guide for cucumber, melon, squash and watermelon.Seminis pp108-109.

Compendium of Cucurbit Diseases (2010) by The American Phytopathological Society

To view other diseases,  click here.

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