CIM21LAPP1A-12

CIM21LAPP1A-12  is an intermediate-maturing, high-yielding, white maize hybrid with resistance to TSC, MLB and ear rots. The product is notable for its good husk cover, ear position, standability 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 2023             Grain Characteristics Abiotic Stress Performance   Grain color White Grain yield under optimum conditions 8.2 t/ha   Grain texture Semi-dent Grain yield under rainfed conditions 6.1 t/ha       Grain yield on-farm 7.1 t/ha   Biotic Stress Performance       Maydis leaf blight (MLB) (1-9)* 3.5 Agronomic Characteristics   Tar Spot Complex (TSC) (1-9)* 3.5 Maturity group Intermediate   Ear Rots (%) 6.9% 50% anthesis 57 DAP   *Scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible Plant height 255 cm   Ear height 125 cm       Ear position (ratio) 0.49   Seed Production Characteristics Ears per plant 0.98   SC female parent seed yield  7.8 t/ha Ear aspect (1-9)* 3.0   Male seed yield  5.7 t/ha Plant aspect (1-9)* 3.5   Nicking 3 days Bad husk cover 3.0%       Root lodging 4.1%   Comments Stalk lodging 4.1%   Product information is based on data from the 2021 CIMMYT LatAm Stage 4 Regional Trials and 2022 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 Anther-silking interval 0.7 days   *Plant and ear aspects are scored on 1-9 scale, where 1 = desirable and 9 = undesirable characteristics           Further Links   Full Announcement & trial data