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CIM20LAPP1C-9

CIMMYT's Latin America product pipeline Tropical Lowland (LatAm-PP1C) focuses on developing intermediate-maturing, yellow-grain, high-yielding maize hybrids that are drought tolerant, resistant to MLB and ear rots, and are suitable for feed use in tropical rainfed dry/wet low-altitude areas in Latin America.   General Information
  Region Latin America
  Adaptation/Agroecological zone 0 - 1200m above sea level
  Type of product Three-way hybrid
  Year first announced 2022
     
      Grain Characteristics
Grain yield   Grain color Yellow
Grain yield under optimum conditions 7.5 t/ha   Grain texture Semi-dent
Grain yield under rainfed conditions 6.0 t/ha      
Grain yield on-farm  6.6 t/ha   Biotic Stress Performance
Grain yield under drought stress 3.7 t/ha   Maydis leaf blight (MLB) (1-9) 3.4
      Tar Spot Complex (TSC) (1-9) 5.4
Agronomic Characteristics   Diseases are scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible
50% anthesis 56 DAP  
Plant height 250 cm      
Ear height 119 cm   Seed Production Characteristics
Ear position (ratio) 0.47   Female seed yield  6.0 t/ha
Ears per plant 1.0   Male seed yield  3.3 t/ha
Ear aspect* 2.3   Nicking 5 days
Bad husk cover 1.7%      
Ear rot  6.6%   Comments
Root lodging 4.1%   Product information is based on data from the 2020 CIMMYT LatAm Stage 4 Regional Trials and 2021 Stage 5 trials. Actual performance will vary depending on a number of agronomic and environmental factors.

Abbreviations:
DAP = days after planting
MLB = Maydis leaf blight
SC = Single-cross
TSC = Tar spot complex
Stalk lodging 2.9%  
Anther-silking interval 0.6 days  
*Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics  
 
     
Further Links  
Full announcement & trial data  

 

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Tags
Abiotic Stress Tolerance > Drought tolerant
Adaptation > Lowlands
Biotic Stress Tolerance > Ear rots
Biotic Stress Tolerance > Maydis Leaf Blight (MLB)
Grain Color > Yellow grain
Grain Texture > Semi-dent
Maturity Group > Intermediate maturing
Product Type > Three-way cross hybrid
Region > Latin America
Year announced > 2022
For Information, Contact:
Debora Escandón Pacheco
CIMMYT
D.Escandon@cgiar.org

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