CZH1713A is a provitamin A hybrid that has good yield potential under optimum, managed drought and Low nitrogen stress conditions with good disease resistance to GLS, TLB and Rust. The hybrid also has good producibility with good female and pollen parent yield potential.   General Information
  Adaptation/Agroecological zone 600-1500 masl
  Region Southern Africa
  Type of product Three-way Cross
  Year first announced 2019
  Grain Characteristics
      Grain color Orange
Grain Yield   Grain texture Flint
Grain yield (MEA) (OPT) 9.9 t/ha   PVA content 9.1 µg/g
Grain yield (MEB) (OPT) 4.5 t/ha      
Grain yield (MEA) (HD) 9.8 t/ha   Biotic Stress Performance
Grain yield under drought stress 3.8 t/ha   Turcicum leaf blight (TLB) (1-9) 4.0
Grain yield under low N stress (NUE) 3.2 t/ha   Rust (1-9) 1.8
      Grey leaf spot (GLS) (1-9) 3.8
Agronomic Characteristics   Ear rot 4.2%
Maturity 130 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 1.3 Days  
Bad husk cover  6.1%      
Ears per plant 1.2   Seed Production Characteristics
Ear aspect (1-5) 2.4   Female seed yield  14.0 t/ha
Ear height  103.8 cm   Male seed yield  3.3 t/ha
Plant aspect (1-5) 2.5   Nicking 2.0 Days
Plant height  203.7 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 2018 Trials.

DAP = Days After Planting
DLL = Dry Lowlands
DMA = Dry Mid-Altitudes
GLS = Grey Leaf Spot
masl=Meters above sea level
MEA = Mega-environment A
MEB = Mega-environment B
MSV = maize streak virus
NUE = Nitrogen Use Efficient
TLB = Turcicum Leaf Blight
Further Links  
Full Announcement  
Regional Trial Data Summary  
Patent Information:

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Region > Southern Africa
Biotic Stress Tolerance > Ear rots
Biotic Stress Tolerance > Grey leaf spot (GLS)
Biofortification > Provitamin A
Biotic Stress Tolerance > Turcicum leaf blight (TLB)
Abiotic Stress Tolerance > Nitrogen-use efficient (NUE)
Adaptation > Mid-altitudes
Biotic Stress Tolerance > Rust
Maturity Group > Early maturing
Abiotic Stress Tolerance > Drought tolerant
Grain Color > Orange grain
Product Type > Three-way cross hybrid
Year announced > 2019
Grain Texture > Flint
Adaptation > Lowlands
For Information, Contact:
Nicholas Davis
Program Manager

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