RustCaused by: Puccinia arachidis
Problem Category: Fungal Disease
Symptoms: Characteristic orange pustules on undersides of leaves which become covered in masses of red-brown spores; pustules may form on pods.
Comments: Peanut rust is highly specific to peanut; disease emergence and spread is favored by warm temperatures followed by leaf wetness.
Management: Allow field to fallow for at least one month between successive peanut plantings; remove any volunteer peanut plants during fallowing to reduce inoculum;
Control: spray 5% neem seed kernal extract or cow dung+asafoetida solution to control Rust