CIM20LAPP2B-2

CIMMYT's Latin America Tropical Mid-altitude (LatAmTM) product pipeline focuses on developing intermediate-maturing, white and yellow  kernel, high-yielding maize hybrids that are drought tolerant, resistant to GLS and ear rots, and are suitable for food and feed use in tropical rainfed dry/wet mid-altitude areas in Latin America.   General Information   Region Latin America   Adaptation/Agroecological zone 1200 - 1800m above sea level   Type of product Three-way hybrid   Year first announced 2022         Grain Characteristics   Grain color Yellow       Grain texture Semi-dent Abiotic Stress Performance       Grain yield under optimum conditions 10.3 t/ha   Biotic Stress Performance Grain yield on-farm 8.7 t/ha   Turcicum leaf blight (TLB) (1-9) 3.2 Grain yield under drought stress 2.9 t/ha   Grey leaf spot (GLS) (1-9) 5.0 Grain yield under rainfed 7.7 t/ha   Rust (1-9) 3.9       Diseases are scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible Agronomic Characteristics   50% anthesis 71 DAP       Anthesis-silking interval  0.88 days   Seed Production Characteristics Ear height 118 cm   SC female parent seed yield  5.2 t/ha Plant height 237 cm   Male seed yield  2.4 t/ha Ears per plant 1.02   Nicking 0 days Bad husk cover 1.0%       Ear rot  2.9%   Comments Root lodging 2.7%   Product information is based on data from the Hybrids Testing Network, MasAgro Project, 41 sites On-Farm (2020) Trials.

Abbreviations:
DAP = days after planting
GLS = Grey leaf spot
SC = Single-cross
TLB = Turcicum leaf blight
TSC = Tar spot complex Stalk lodging 3.0%         Further Links   Full Announcement & trial data