Diseases of Fruit Plantation Medicinal and Aromatic Crops

Poppy Mosaic

Causal organism-Poppy mosaic virus

• The aphid, Myzus persicae is the vector which transmits the mosaic disease.
• The minimum acquisition feeding period is one min.
• The minimum inoculation feeding period is also one min.
• Single aphid is efficient in transmitting the virus.
• The virus is non persistent type.
Symptoms

• Yellow + green patches on leaves, stunting, flower drop, yield reduces.
• This virus is very sensitive
Mof spread and survival

• Primary source of inoculum: Affected host plants, weed host& self sown crops.
• Secondary source of inoculum: Virus particle
Epidemiology

• Summer season
• High temperature
• susceptible host
• Improper management leads to development of this disease.
Management

• Initially spray Dimethoate 0.1% after 15 days and Imidacloprid 0.05 % at another 15 daysand neemazol 0.5 % later.