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CZH15032

CZH15032 is a high-yielding, intermediate-maturing maize hybrid with white grain, drought tolerance that is NUE, resistant to GLS, TLB, ear rots, and MSV, and suitable 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 2016
     
  Grain Characteristics
      Grain color White
Grain Yield   Grain texture Semi-dent
Grain yield under opt (ME-A) 8.55 t/ha      
Grain yield under HD (ME-A) 9.75 t/ha   Biotic Stress Performance
Grain yield under opt (ME-B) 5.48 t/ha   Turcicum leaf blight (TLB) (1-9)* 2.2
Grain yield under random stress (ME-C) 3.91 t/ha   Grey leaf spot (GLS) (1-9)* 3.0
Grain yield under opt (ME-D) 2.52 t/ha   Common rust (P. sorg) (1-9)* 2.4
Grain yield under low N stress 2.73 t/ha   *Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible.
Grain yield under low pH stress 4.22 t/ha  
Grain Yield under low P stress 7.56 t/ha      
      Comments
Agronomic Characteristics   Product information is based on data from CIMMYT southern Africa 2016 regional trial (IHYB16). 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
low P = low soil phosphorus
low pH = low soil pH (acidic soil)
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
Maturity Intermediate  
Days to 50% anthesis 64.5 days  
Anthesis-silking interval 1.6 days  
Plant height 224.8 cm  
Ear height 114.4 cm  
Ear position (ratio) 0.50  
Lodging 7.8%  
     
Further Links  
1. Full Announcement & trial data summary  
 
2. Maize Mega-Environments (map)  
 
     
     
     
     
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Tags
Product Type > Three-way cross hybrid
Abiotic Stress Tolerance > Acid soil tolerant
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 > Intermediate maturing
Region > Southern Africa
Year announced > 2016
For Information, Contact:
Nicholas Davis
Program Manager
CIMMYT
n.davis@cgiar.org

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