The symptoms appear on leaf, node and neck as elliptical with more or less pointed ends resembling a spindle. Such spots have brown margin with greyish centre.
The node blast symptoms appear as black patches on infected nodes and all parts above the infected node die.
Neck blast disease: Neck region of panicle develops a black color and grain set inhibited, panicle breaks at the neck and hangs.
The panicle blast or neck blast attack results in improper grain filling and chaffy ear heads.
Adopt seed treatment with carbendazim 50 WP @ 2g/1kg seed.
Tulasi, Aditya, Surakha, Rasi and IR 64.
Split application of recommended dose of nitrogenous fertilisers into three to four times.
When the disease appears in the main fields and 2-3% of leaf gets infected, spray tricyclazole 75 WP @ 0.6g/l or carbendazim 50 WP @ 1g/l; thiophanate methyl 70 WP @ 1g/l; Isoprothiolane 1.5ml/l.