Rice Pest Pheno - Forecasting Portal

Blast / Neck blast

  • 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.

Management practices


Seed treatment


Adopt seed treatment with carbendazim 50 WP @ 2g/1kg seed.

Grow resistant / tolerant


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.