Phyllody disease (Phytoplasma.Vector:Plant hoppers)

Symptoms

• The affected vines exhibit varying stages of malformation of spikes. Some of the floral buds are transformed into narrow leaf like structures.
• Such malformed spikes show leafy structures instead of floral buds, exhibiting Phyllody symptoms.
• In advanced stages, the leaves become small and chlorotic, and the internodes are also shortened.
• The affected fruiting laterals give a witches broom appearance. Severely affected vines become unproductive.
• In severely affected vines the entire spike is converted into small branches which appear chlorotic and the vines decline rapidly.
• The infected vine becomes unproductive within two to three years.

Management

• Use phytoplasma free healthy planting material
• Regular inspection and removal of infected plants; the removed plants may be burnt or buried deep in soil.
• Insects such as aphids and mealybugs on the plant or standards should be controlled with insecticide spray.

രാസനിയന്ത്രണം

Extremely Toxic

Highly Toxic

Moderately Toxic

Slightly Toxic