This hybrid is from the first generation of FAW-tolerant maize hybrids out of CIMMYT's eastern Africa product pipeline 1A (EA-PP1A). This pipeline primarily focuses on developing intermediate maturing, white grain, high-yielding maize hybrids that are drought tolerant, NUE, resistant to GLS, TLB, ear rots, and MSV, and are suitable for food use in tropical rainfed dry/wet mid-altitude areas in eastern Africa.   General Information
  Adaptation/Agroecological zone 1000 - 1600 masl
  Type of product Three-way cross hybrid
  Year first announced 2020
  Grain Characteristics
  Grain color White
  Grain texture Dent
      Biotic Stress Performance
Grain Yield   Turcicum leaf blight (TLB) (1-9) 6.0
Grain yield under optimum conditions 7.3 t/ha   Grey leaf spot (GLS) (1-9) 5.9
Grain yield on-farm 6.0 t/ha   FAW foliar damage (art. inf.; no-choice trial) (1-9) 6.0
Grain yield under drought stress 1.2 t/ha   FAW foliar damage (very low nat. inf.) (1-9) 5.4
Grain yield under low N stress 4.1 t/ha   FAW ear damage (art. inf.; no-choice trial) (1-9) 3.2
Grain yield under FAW (art. inf.; no-choice trial) 7.1 t/ha   FAW ear damage (very low nat. inf.) (1-9) 2.8
Grain yield under GLS (art. inoc.) 7.5 t/ha   Diseases are scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible
Grain yield under TLB (art. inoc.) 6.4 t/ha  
Agronomic Characteristics   Seed Production Characteristics
Maturity 140 DAP   Female seed yield  10.09 t/ha
Plant height 209 cm   Nicking 1.0 day
Ear height 111 cm      
Bad husk cover 5.7%   Comments
Root lodging 8.5%   Product information is based on data from various trials conducted by CIMMYT in eastern Africa in 2020.

art. inf. = artificial infestation
art. inoc. = artificial inoculation
DAP = days after planting
FAW = Fall armyworm
GLS = Grey Leaf Spot
HD = High Density (80,000 plants per ha)
Low N = Managed Low Nitrogen
masl = meters above sea level
nat. inf. = natural infestation
MD = Managed drought
MSV = maize streak virus
NUE = Nitrogen Use Efficient
Opt = Optimum Management
TLB = Turcicum Leaf Blight
Stalk lodging 5.0%  
Anther-silking interval 3 days  
Ears per plant (#) 1.1  
Ear aspect (1-5) 2.5  
Plant aspect (1-5) 2.7  
Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics  
Further Links  
Full Announcement  
Trial Data Summary  
Patent Information:

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Abiotic Stress Tolerance > Drought tolerant
Abiotic Stress Tolerance > Nitrogen-use efficient (NUE)
Adaptation > Mid-altitudes
Biotic Stress Tolerance > Fall armyworm (FAW)
Biotic Stress Tolerance > Grey leaf spot (GLS)
Biotic Stress Tolerance > Turcicum leaf blight (TLB)
Grain Color > White grain
Grain Texture > Dent
Maturity Group > Intermediate maturing
Product Type > Three-way cross hybrid
Region > Eastern Africa
Year announced > 2020
For Information, Contact:
Nicholas Davis
Program Manager

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