Diseases of Fruit Plantation Medicinal and Aromatic Crops

Fusarium wilt

Causal Organism: Fusarium oxysporum (Scchlecht)
Symptoms

• Initially infected crop shows yellowing symptoms. Later the vine is severely infested turns brown in colour.
• Further browning of leaves and drying of vines occurs ultimately which results in death of the plant.
Etiology

• The pathogen produces Chlamydospore as vegetative resting structure.
• The fungi survive as chlamydospores borne terminally or intercalary and spread through air borne micro and macro conidia.
  
Management

• Application of Bordeaux mixture (0.5%) is effective to control the disease.
• Foliar spray of Azadirachta indica leaf extracts @ (3.0%) Allium satium clove extract @ (20%). Incorporation of bio-agent, Trichoderma viridae in the soil along with FYM also manages the disease effectively.