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CZH15271

CZH15271 is a late-maturing, white-grain, high-yielding, drought-tolerant maize hybrid that is 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) 12.6 t/ha   Grain texture Semi-dent
Grain yield under opt  (ME-A) 11.2 t/ha      
Grain yield under opt (ME-B) 11.2 t/ha   Biotic Stress Performance
Grain yield under opt (ME-C) 5.0 t/ha   Grey leaf spot (GLS) (1-9)* 2.2
Grain yield under opt (ME-D) 1.7 t/ha   Common rust (P. sorg) (1-9)* 3.3
Grain yield under MSV stress (ai) 7.8 t/ha   Turcicum leaf blight (TLB) (1-9)* 2.5
Grain yield under low N stress 3.0 t/ha   Ear rots 2.9%
      *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   Seed Production Characteristics
Anthesis-silking interval 0.3 days   SC female parent yield 9.70 t/ha
Plant height 283 cm   Male parent yield 3.35 t/ha
Ear height 139 cm   Nicking -7.4 days
Ears per plant 1.04   Height difference at flowering (SPEH-PPPH) -28.8 cm
Bad husk cover 0.6%      
Ear aspect (1-5)* 2.6   Comments
Plant aspect (1-5)* 2.9   Product information is based on data from CIMMYT southern Africa 2017 regional trial (WLHYB17). 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
PPPH = pollen parent plant height at flowering time
SPEH = seed parent ear height at flowering time
TLB = Turcicum Leaf Blight
*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)  
 
     
     
     
     
     
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Tags
Product Type > Three-way cross hybrid
Abiotic Stress Tolerance > Drought tolerant
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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