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CZH142087

CZH142087 is a high-yielding, intermediate-maturing, white-grain hybrid with drought tolerance that is nitrogen-use efficient and resistant to GLS, TLB, and ear rots, adapted for mid-altitudes of southern Africa and similar agro-ecologies.   General Information
  Adaptation/Agroecological zone 800 - 1800 masl
  Region Southern Africa
  Type of product Three-way cross hybrid
  Year first announced 2017
     
      Grain Characteristics
Grain Yield   Grain color White
Grain yield (OPT) 9.7 t/ha   Grain texture Semi-dent
Grain yield (HD) 8.5 t/ha      
Grain yield  (RS) 5.4 t/ha   Biotic Stress Performance
Grain yield under low N stress 4.3 t/ha   Turcicum leaf blight (TLB) (1-9) 4.0
      Grey leaf spot (GLS) (1-9) 3.6
Agronomic Characteristics   Common rust (1-9) 2.6
Maturity 132 DAP   Maize Lethal Necrosis (MLN) art. inoc. (1-9) 5.4
Plant height 229.2 cm   Grain weight loss (MW) 0.6%
Ear height 117.0 cm   Grain weight loss (LGB) 10.9%
Bad husk cover 11.7%   Ear rots 2.4%
Root lodging 1.4%   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.
Stalk lodging 7.0%  
Anthesis-silking interval 1.3 Days      
Ear aspect (1-5) 2.6   Seed Production Characteristics
Plant aspect (1-5) 2.5   Nicking 0 Days
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 various trials conducted by CIMMYT in eastern Africa in 2016.

Abbreviations:
art. inoc. = artificial inoculation
DAP = Days after planting
GLS = Grey leaf spot
HD = High density (80,000 plants per ha)
LGB = Large grain borer
Low N = Managed low nitrogen
masl = meters above sea level
MD = Managed drought
MSV = maize streak virus
MLN = Maize lethal necrosis
MW = Maize weevil
NUE = Nitrogen use efficient
OPT = Optimum management
RS = Random stress
TLB = Turcicum leaf blight
Further Links  
Full Announcement  
Trial Data Summary  
Regional Trial Site Information  
     
     
     
     
     
     
     
Patent Information:

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Tags
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 > Tar Spot Complex (TSC)
Biotic Stress Tolerance > Rust
Grain Color > White grain
Grain Texture > Semi-dent
Maturity Group > Intermediate maturing
Product Type > Three-way cross hybrid
Region > Southern Africa
Seed producibility traits > Good nicking
Year announced > 2017
For Information, Contact:
Nicholas Davis
Program Manager
CIMMYT
n.davis@cgiar.org

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