CIMMYT's eastern Africa product pipeline 1A (EA-PP1A) focuses on developing intermediate maturing, white grain, high-yielding maize hybrids that are drought tolerant, 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 2017
  Grain Characteristics
  Grain color White
      Grain texture Semi-flint
Grain Yield      
Grain yield under optimum conditions 7.72 t/ha   Biotic Stress Performance
Grain yield under random stress 3.56 t/ha   Turcicum leaf blight (TLB) (1-9) 2.6
      Grey leaf spot (GLS) (1-9) 1.6
Agronomic Characteristics   MSV (1-9) 1.6
Maturity 139 DAP   Common rust (1-9) 1.6
Plant height 235.8 cm   Maize lethal necrosis (MLN) under art. inoc. (1-9) 6.0
Ear height 112.7 cm   Stemborer (1-9) 4.4
Bad husk cover 7.6%   Ear rots 4.1%
Root lodging 1.7%   Diseases were originally scored on a 1-5 scale but have been converted here to a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible.
Stalk lodging 1.2%  
Anthesis-silking interval 1.1 Days      
Ear aspect (1-5) 2.3   Seed Production Characteristics
Plant aspect (1-5) 2.4   Nicking 3 Days
Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics      
      Product information is based on data from various trials conducted by CIMMYT in eastern Africa in 2016.

art. inoc. = artificial inoculation
DAP = days after planting
GLS = Grey Leaf Spot
masl = meters above sea level
TLB = Turcicum Leaf Blight
Further Links  
Full Announcement  
Trial Data Summary  
Regional Trial Site Information  
Patent Information:

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Adaptation > Mid-altitudes
Biotic Stress Tolerance > Ear rots
Biotic Stress Tolerance > Grey leaf spot (GLS)
Biotic Stress Tolerance > Maize streak virus (MSV)
Biotic Stress Tolerance > Rust
Grain Color > White grain
Grain Texture > Semi-flint
Maturity Group > Intermediate maturing
Product Type > Three-way cross hybrid
Region > Eastern Africa
Year announced > 2017
For Information, Contact:
Nicholas Davis
Program Manager

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