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CZH15269

CZH15269 is a late-maturing, white-grain, high-yielding, drought-tolerant maize hybrid that is NUE and resistant to GLS, TLB, rust, and MSV, bred for food use in tropical, rainfed, dry/wet mid-altitude and transition ecologies in southern Africa and similar agroecologies.     General Information
  Target region Southern Africa
  Adaptation/Agroecological zone 400-1800 masl
  Type of product Three-way cross hybrid
  Year first announced 2017
     
      Grain Characteristics
Grain Yield   Grain color White
Grain yield under HD (ME-A) 11.1 t/ha   Grain texture Semi-dent
Grain yield under opt  (ME-A) 8.6 t/ha      
Grain yield under opt (ME-B) 7.5 t/ha   Biotic Stress Performance
Grain yield under opt (ME-C) 5.5 t/ha   Grey leaf spot (GLS) (1-9)* 2.8
Grain yield under opt (ME-D) 1.8 t/ha   Common rust (P. sorg) (1-9)* 2.8
Grain yield under MSV stress (ai) 9.4 t/ha   Turcicum leaf blight (TLB) (1-9)* 2.8
Grain yield under low N stress 2.7 t/ha   Ear rots 12.0%
      *Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible.
Agronomic Characteristics  
Maturity group Late      
Days to 50% anthesis 69 days   Comments
Anthesis-silking interval 0.5 days   Product information is based on data from CIMMYT southern Africa 2017 regional trial (IHYB17). Actual performance will vary depending on a number of agronomic and environmental factors.

Abbreviations:
GLS = Grey Leaf Spot
HD = high density (80,000 plants per ha)
low N = low soil nitrogen
masl = meters above sea level
ME-A = Maize mega-environment A (wet upper mid-altitudes)
ME-B = Maize mega-environment B (wet lower mid-altitudes)
ME-C = Maize mega-environment C (dry mid-altitudes)
ME-D = Maize mega-environment D (wet lowlands)
MSV = Maize Streak Virus
NUE = Nitrogen-Use Efficient
opt = optimum management conditions
TLB = Turcicum Leaf Blight
Plant height 255 cm  
Ear height 126 cm  
Ears per plant 1.0  
Bad husk cover 4.3%  
Ear aspect (1-5)* 2.6  
Plant aspect (1-5)* 2.3  
*Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics  
 
     
Further Links  
1. Full Announcement & trial data summary  
 
2. Maize Mega-Environments (map)  
 
     
Patent Information:

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Tags
Product Type > Three-way cross hybrid
Abiotic Stress Tolerance > Drought tolerant
Abiotic Stress Tolerance > Nitrogen-use efficient (NUE)
Adaptation > Mid-altitudes
Biotic Stress Tolerance > Grey leaf spot (GLS)
Biotic Stress Tolerance > Maize streak virus (MSV)
Biotic Stress Tolerance > Rust
Biotic Stress Tolerance > Turcicum leaf blight (TLB)
Grain Color > White grain
Grain Texture > Semi-dent
Maturity Group > Late maturing
Region > Southern Africa
Year announced > 2017
For Information, Contact:
Nicholas Davis
Program Manager
CIMMYT
n.davis@cgiar.org

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