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CIM21SAPP1-14

CIM21SAPP1-14 is a intermediate-maturing, white, high yielding, drought tolerant, NUE, and resistant to GLS, TLB, Ear rots, 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 2022
         
Grain Yield   Grain Characteristics
Grain yield under optimum conditions 8.81 t/ha   Grain color White
Grain yield under managed drought stress 3.37 t/ha   Grain texture Semi-dent
Grain yield under low N stress 5.87 t/ha      
      Biotic Stress Performance
Agronomic Characteristics   Turcicum leaf blight (TLB) (1-9)* 3.0
50% anthesis 896 GDD (°C)   Grey leaf spot (GLS) (1-9)* 2.5
Anthesis-silking interval 0.87 Days   Maize Streak Virus (MSV) (1-9)* 3.6
Plant height 254.3 cm   Ear rots 4.1%
Ear height 125.5 cm   *Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible.
Ears per plant 1.1  
Bad husk cover 2.7%      
Ear aspect (1-5)* 2.5   Seed Production Characteristics
Root lodging 2.3%   SC female parent yield 10.47 t/ha
Stalk lodging 3.5%   Male parent yield 2.88 t/ha
*Ear aspect is scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics   Nicking 3.97 days
     
      Comments
Further Links   Product information is based on data from various trials conducted by CIMMYT in southern Africa in 2021 and 2022.  Actual performance will vary depending on a number of agronomic and environmental factors.

Abbreviations:
GDD = growing degree-days
GLS = Grey Leaf Spot
Low N = managed low nitrogen stress
masl = meters above sea level
MSV = Maize Streak Virus
opt. = optimum (44,444 plants per ha)
SC = single-cross
TLB = Turcicum Leaf Blight (
E. turcicum)
Full product announcement, including southern Africa 2021 Regional Trial and 2022 Regional On-Farm Trial data   
 
 
     
     
     
     
     
     
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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 > Maize streak virus (MSV)
Biotic Stress Tolerance > Turcicum leaf blight (TLB)
Grain Color > White grain
Grain Texture > Semi-dent
Maturity Group > Intermediate maturing
Product Type > Three-way cross hybrid
Region > Southern Africa
Year announced > 2022
For Information, Contact:
Nicholas Davis
Program Manager
CIMMYT
n.davis@cgiar.org

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