Diseases of Fruit Plantation Medicinal and Aromatic Crops

Phyllody

Causal organism: Phytoplasma.
Symptoms

• Proliferation of floral parts, adherence of vegetative shoots formed by converted stamen & carpel.
Etiology

• It is prokaryotic, pleomorphic, obligate parasite, reproduction by binary fission.
• Primary source of inoculum: infected plants.
• Secondary source of inoculums: vectors.
• Spread: Through Leaf hopper vector
Epidemiology

• A temperature of 28-32⁰ C warm weather with relative humidity of 80-85 % favours the disease development.
Management

• Early diagnosis and burning.
• Controlling vectors.
• Spray of lannate (0.2 %), Indoxicarb (0.2 %), Imidacloprid (0.05 %) at 15 days interval.