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Yellow rust on wheat (Stripe rust)

Puccinia Striiformis Yesinde wag
  • Remove residues from the previous rust infected crop before planting
  • Crop rotation with pulses or other horticultural crops. Remove alternative hosts (e.g. volunteer wheat, barley and wild species)
  • Use rust resistance wheat varieties e.g. Mendoyu, Gelan, Sinja and Sanate
  • Take care in working in the field the field to not transmit the disease spore
  • Prevent movement of infected plants across the field across the fields
  • Continuous wheat field monitoring and surveillance that aid to take immediate measures
  • Check fields regularly in early growing season especially during the rainy season when the temperature is cool (10-16ºC)
  • Look for rows of tiny yellow, light brownish powdery pustules that form in rows on the leaves and leaf sheathes
  • Examine a number of plants throughout the field and take action when the rust symptom are noticed on a single plant. Because with rust diseases the threshold level is zero tolerance
  • Action is too late if you find many plants with long rows of yellow coloured powdery pustules, lesions and necrosis across many leaves per plant
  • Remove and bury or burn infected plants at the early stage of infection before its expansion to the rest of the field to reduce the initial inoculum source
  • When using a pesticide, always wear protective clothing and follow the instructions on the product label
  • Do not use chemicals with the same mode of action year after year as this can lead to resistance
  • Always consult the most recent list of registered pesticides of MoA, Plant Health Regulatory Directorate, Ethiopia
  • Tebuconazole (Cavaet, Natura 250EW). Systemic fungicide used for foliar spray. Application rate: 500 to ml\ ha dissolved in 200-250 L water. (FRAC,G1)
  • WHO toxicity class II (moderately acute hazardous); toxic to some natural enemies and fish; do not make more than 3 applications per season, follow-up application is not allowed; r.e.i. ½ day, p.h.i. 30 days
  • Epoxiconazole + Thiophanate methyl (Rex Duo) Triazoles & Thiophanates fungicide group, Systemic (FRAC, G1+B1). Application rate usually at 500 ml\ ha
  • WHO toxicity class II (moderately acute hazardous); Check the product label for further information. Max 2 sprays per season; p.h.i. 6 weeks; r.e.i. 1 day
  • Propiconazole (Topzol & Tilt) Triazoles fungicide group, Systemic (FRAC, G1). Application rate usually at 500 ml\ ha.
  • WHO toxicity class II (moderately acute hazardous); Toxic to predatory mites, parasitoids and earthworms, max 2 applications per season, p.h.i. 30 days, r.e.i. 1 day. Please check the product label
AUTHOR(S): Frehiwot Sileshi (Ambo University), Tadewos Ero, Ali Seid (Amhara Bureau of Agriculture) and Dejene Hirpa (Oromia Bureau of Agriculture) Updated by Kassahun Saddessa (Ethiopian Institute of Agricultural Research) and Ermias Teshome (Sinana Agricultural Research Center)

CREATED/UPDATED: May 2015/Feb 2020
PRODUCED BY: Plantwise

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