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CIM22LAPP1A-11

CIM22LAPP1A-11 is an intermediate-maturing, high-yielding, white maize hybrid with resistance to TSC, MLB and ear rots. The product is notable for its high rainfed yield, excellent female parent seed yield, dent grain and resistance to root and stalk lodging and is suitable for food use in tropical, rainfed, low-altitude areas in Latin America.   General Information
  Target Region Latin America
  Adaptation/Agroecological zone 0 - 1200m above sea level
  Type of product Three-way hybrid
  Year first announced 2024
     
  Grain Characteristics
  Grain color White
      Grain texture Dent
Abiotic Stress Performance      
Grain yield under optimum conditions 8.70 t/ha   Biotic Stress Performance
Grain yield under rainfed conditions 5.11 t/ha   Maydis leaf blight (MLB) (1-9)* 2.7
Grain yield on-farm (avg)  7.07 t/ha   Tar Spot Complex (TSC) (1-9)* 3.2
Grain yield on-farm (opt.)  8.73 t/ha   Ear Rots (%) 6.9%
Grain yield on-farm (rainfed) 5.54 t/ha   *Scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible
     
Agronomic Characteristics      
Maturity group Intermediate   Seed Production Characteristics
50% anthesis  58 DAP   SC female parent seed yield   8.8 t/ha
Plant height  241 cm   Male seed yield   4.5 t/ha
Ear height  126 cm   Nicking -5 days
Ear position (ratio) 0.52      
Ears per plant 1.03   Comments
Ear aspect (1-9)* 4.3   Product information is based on data from the 2022 CIMMYT LatAm Stage 4 Regional Trials and 2023 Stage 5 Trials. Actual performance will vary depending on a number of agronomic and environmental factors.

Abbreviations:
DAP = days after planting
SC = Single-cross
MLB = Maydis leaf blight
TSC = Tar spot complex
Plant aspect (1-9)* 4.9  
Bad husk cover 4.4%  
Root lodging 3.1%  
Stalk lodging 7,1%  
Anther-silking interval 0.6 days  
*Plant and ear aspects are scored on 1-9 scale, where 1 = desirable and 9 = undesirable characteristics  
 
     
Further Links  
Full Announcement & trial data  
 
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Tags
Adaptation > Lowlands
Grain Color > White grain
Product Type > Three-way cross hybrid
Biotic Stress Tolerance > Maydis Leaf Blight (MLB)
Biotic Stress Tolerance > Ear rots
Biotic Stress Tolerance > Tar Spot Complex (TSC)
Maturity Group > Intermediate maturing
Region > Latin America
Year announced > 2024
Grain Texture > Dent
For Information, Contact:
Debora Escandón Pacheco
CIMMYT
D.Escandon@cgiar.org

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