Late leaf spotCaused by: Cercospora personatum
Problem Category: Fungal Disease
Symptoms: Small chlorotic flecks on leaf petioles, stems and pegs which enlarge and turn dark in color; symptoms may be very similar or identical to early leaf spot and can only be differentiated by examination of conidia under a microscope.
Comments: Disease emergence is favored by high humidity and warm temperatures; spread of the disease is promoted by pronlonged leaf wetness.
Management: If disease is present, a rotation away from peanut for a period of 2-3 years is advised but is insufficient to control the disease completely; peanut crop depris should be plowed into soil after harvest and any volunteers removed from the nonhost crop;
Control: seed treatment with Asafoetida solution and spray tulasi kashyam to control the spot