Grapes Crop Management and Diagnosis

Disease management

Downy mildew

Powdery mildew

Rust

 

Anthracnose: Caused by Gleosporium ampelophagum, Sphaceloma ampelina

Symptoms

•       The disease occurs during rainy season, mostly during July and Nov.

•     Attacks fresh growth which develops dark brown sunken lesions with a black centre.

•     Young shoots, leaves, tendrils and the young berries are affected.

•     In case of severe damage, the shoot becomes crinkled and the leaf shows shot holes. The fruits show bird’s eye spot symptoms.

anthracnose leaves    anthracnose fruits

 

control measures

Spraying 0.1% Carbendazim, Methyl thiophanate, or Baycor or Quintol 0.2% regularly at 10 to 15 days intervals during June to November is suggested to check the disease.