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Ergot of bajra or pearl millet

This presentation includes symptoms, etiology and management of Ergot of Bajra or Pearl Millet.

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Ergot of bajra or pearl millet

  1. 1. ERGOT OF BAJRA OR PEARL MILLET DR. RAJBIR SINGH Assistant Professor Department of Plant Pathology Gochar Mahavidyalaya, Rampur Maniharan, Saharanpur (UP), India Affiliated to Ch. Charan Singh University, Meerut (UP), India Email: rajbir25805@yahoo.com, rajbirsingh2810@gmail.com Cell No. 91-9456613374
  2. 2. ERGOT OF BAJRA OR PEARL MILLET • Disease occur in many countries including India • In India – Delhi, UP, UK, Rajastan, Maharastra, Karanataka, A.P., Haryana, Punjab etc. • Alkaloids present in scelerotia in form of Ergotoxin – are harmful for animal & human • Loss- till 70%
  3. 3. Symptoms • Symptoms appear at flowering stage • Pinkish honey type secretion from spikelets, which become sticky later called – Honey Dew Stage • Later small, brown color irregular sclerotia form in place of grains called- Ergot • Sclerotia form after 10-15 days of honey dew • Sclerotia are 0.5-1 cm long & 1-2 mm diameter, hard & woody
  4. 4. Contamination of pearl millet seed with ergot infested ones
  5. 5. Pathogen – Claviceps fusiformis • Disease is soil & seed borne • Pathogen survive as sclerotia • Sclerotia fallen in soil or present in seed after fall in soil germinate & form conidia • Secondary spread conidia - by contact, insect, rain etc. • Low tem & moist condition favour disease.
  6. 6. Systemic Position Kingdom – Mycota/ Fungi Division – Eumycota Sub division – Ascomycotina Class – Pyrenomycetes Order – Clavicipitales Family – Clavicepitiaceae Genus – Claviceps Species - fusiformis
  7. 7. Disease Management • Use of healthy seed • Seed treatment – Thiram @ 2 gm/kg seed or use 20-32 % salt solution for removal of sclerotia • Early sowing • Crop rotation – 3 years • Removal of crop residues • Removal of infected ears • Spray – 2-3 sprays weekly after flowering of: (1). Ziram@ 2 gm/lit of water (2). Zineb 75% WP+Copper Oxychloride 50% WP@2.5 kg/ha (3). Carbendazim 50% WP @ 0.5 kg/ha • Dis. Res. Var.-RHR-1 (SP-31), JBV-2, NMS-20A, J-2340 etc.
  8. 8. Thank You
  9. 9. Thank You

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This presentation includes symptoms, etiology and management of Ergot of Bajra or Pearl Millet.

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