CZH15574 is an early-maturing, white-grain hybrid with good yield potential in wet upper-mid altitudes in southern Africa and under low N stress.   General Information
  Adaptation/Agroecological zone 600-1500 masl
  Region Southern Africa
  Type of product Three-way Cross
      Year first announced 2017
Grain Yield      
Grain yield (MEA) (OPT) 7.14 t/ha   Grain Characteristics
Grain yield (MEB) (OPT) 4.64 t/ha   Grain color White
Grain yield (MEC) (OPT) 3.95 t/ha   Grain texture Semi-dent
Grain yield (MED) (OPT) 0.95 t/ha      
Grain yield (MEA) (HD) 8.84 t/ha   Biotic Stress Performance
Grain yield under low N stress 3.04 t/ha   Turcicum leaf blight (TLB)  (1-9) 2.6
Grain yield under MSV conditions 7.63 t/ha   Rust (1-9) 3.2
      Grey leaf spot (GLS)  (1-9) 2.5
Agronomic Characteristics   Ear rot 4.16%
Maturity 132 DAP   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.
Anthesis-silking interval  0.92 Days  
Bad husk cover  1.3%      
Ear aspect 2.68   Seed Production Characteristics
Plant aspect 2.73   Female seed yield  6.95 t/ha
Ear height  119 cm   Male seed yield  2.29 t/ha
Plant height  247 cm      
Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics   Comments
  Product information is based on data from the CIMMYT Southern Africa Maize Regional On-Station 2017 Trials.

DAP = Days After Planting
DLL = Dry Lowlands
DMA = Dry Mid-Altitudes
GLS = Grey Leaf Spot
HD = high density (80,000 plants per ha)
Low N = Managed Low Nitrogen
masl = meters above sea level
MEA = Mega-environment A
MEB= Mega-environment B
MEC = Mega-environment C
MED = Mega-environment D
MSV = Maize Streak Virus
NUE = Nitrogen Use Efficient
TLB = Turcicum Leaf Blight
Further Links  
Full Announcement  
Regional Trial Data Summary  
Regional Trial Site Information  
Patent Information:

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Product Type > Three-way cross hybrid
Abiotic Stress Tolerance > Drought tolerant
Abiotic Stress Tolerance > Nitrogen-use efficient (NUE)
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
Biotic Stress Tolerance > Turcicum leaf blight (TLB)
Grain Color > White grain
Grain Texture > Semi-dent
Maturity Group > Early maturing
Region > Southern Africa
Year announced > 2017
Adaptation > Lowlands
For Information, Contact:
Nicholas Davis
Program Manager

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