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Stripe (yellow) rust on wheat

Puccinia striiformis Westend f.sp. tritici Eriks Umugese w'umuhondo
  • Use tolerant varieties such as Gihundo, Nyangufi, Majyambere and Reberaho.
  • Rotate wheat with potato or beans to break the cycle of the disease
  • Use manure 2 weeks before planting, 100 kg DAP/ha at planting and 50 kg Urea/ha at 4-6 weeks after planting
  • Weed regularly to reduce moisture around the plants
  • Avoid frequent movement into the fields to minimize the dispersal of the fungus by hands, clothing, or shoes
  • Remove volunteer wheat plants and wild grasses between seasons
  • Regularly check the field starting 2 months after planting.
  • Look for light yellow to orange-yellow pustules that are elongate and narrow, but varying in length
  • Observe pustules on the leaves, sometimes on the heads, necks and leaf sheaths
  • Absence of pustules on yellowing leaves implies factors other than yellow rust, such as nitrogen deficiency, waterlogging, age and drought
  • The pustules are often arranged into conspicuous stripes and their linear orientation between vascular bundles can progress the length of the leaf blade.
  • Take action as soon as symptoms appear especially in high-risk regions
  • Wear always Personal Protection equipments (PPE) and follow the instructions on the product label. Respect and follow laws regulating pesticides use in Rwanda.
  • Tebuconazole, 25 EC at 0.1%. E.g. Folicur or Orius. It is mixed at the rate of 20 ml/ 20 litre of water.
  • WHO Class II (Moderately hazardous): systemic,PHI 30 days, REI 12 hours.
  • Oxychloride Copper; Rate of application: 40-60g in 20L water, spray again after 14 days, if needed.
  • WHO Class II (Moderately hazardous): PHI: 7 days. REI 1 day.
  • Chlorothalonil (Daconil) WP: Rate of application: 30-50g in 20L water, spray again after 14 days, if needed
  • WHO Class U (Unlikely to present acute hazard): PHI: 7 days. REI: 1 day.
AUTHOR(S): Innocent Habarurema, Claudette Imanishimwe , Jean Pierre Kalisa, Bellancile Uzayisenga (RAB), HATEGEKIMANA Athanase, KANKUNDIYE Lydie and MUKASHIMWE Melanie (RAB)

CREATED/UPDATED: September 2015
PRODUCED BY: Plantwise

©CAB International. Published under a CC-BY-SA 4.0 licence.