CIM24NUVA-03

CIM24NUVA-03 is an early maturing, high-yielding, drought tolerant, nutritious maize hybrid with orange grain that is biofortified with PVA and is NUE, resistant to GLS, TLB, Ear rots, and MSV, and 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 < 1800 masl   Type of product Three-way cross hybrid   Year first announced 2025         Why farmers say they like it*       Early vigor, High yield, Drought tolerant Grain Yield   Grain yield under optimum conditions 7.26 t/ha   *Common keywords from farmer feedback (CIMMYT Southern Africa 2025 Stage 5 Trials) Grain yield under managed drought stress 3.08 t/ha   Grain yield under low N stress 2.11 t/ha       Grain Yield on-farm (moderate stress) 5.08 t/ha   Grain Characteristics Grain Yield on-farm (severe stress) 1.73 t/ha   Grain color Orange       Grain texture Flint Agronomic Characteristics   Provitamin A content 9.1 µg/g Maturity group Early       Days to 50% anthesis 69 DAP   Biotic Stress Performance 903 GDD   Turcicum leaf blight (TLB) (1-9)* 5.0 Anthesis-silking interval 1.5 days   Grey leaf spot (GLS) (1-9)* 4.3 Plant height 188.6 cm   Maize Streak Virus (MSV) (1-9)* 3.0 Ear height 104.1 cm   Ear rots 8.6% Ears per plant 0.91   *Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. Bad husk cover 11.73%   Ear aspect (1-5)* 1.96       Root lodging 9.1%   Seed Production Characteristics Stalk lodging 2.5%   SC female parent yield  6.62 t/ha *Ear aspect is scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics   Male parent yield 3.40 t/ha   Nicking -1.2           Further Links   Comments 1. Full Product Announcement
(including trial results summary and site information)   Product information is based on data from CIMMYT Southern Africa 2023/24 Stage 4 and 2024/25 Stage 5 Trials.  Actual performance will vary depending on a number of agronomic and environmental factors.

Abbreviations:
DAP = days after planting
GDD = Growing Degree Days (°C)
GLS = Grey Leaf Spot
Low N = managed low nitrogen stress
masl = meters above sea level
MSV = Maize Streak Virus
NUE = nitrogen-use efficient
opt. = optimum (44,444 plants per ha)
PVA = Provitamin A
SC = single-cross
TLB = Turcicum Leaf Blight (E. turcicum)     2. Biofortified orange maize is as efficacious as a vitamin A supplement        3. Provitamin A maize within the maize seed systems and grain value chain in Tanzania