| CIM23EAPP1-02-13 is an early-maturing, high-yielding, maize hybrid with white grain, drought tolerance, nitrogen-use efficiency, and resistance to GLS, TLB, ear rots, and MSV. |
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General Information |
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Target region |
Eastern Africa |
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Adaptation/Agroecological zone |
600-1500 masl |
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Type of product |
Three-way cross |
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Year first announced |
2025 |
| Grain Yield |
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| Grain yield (OPT) |
6.31 t/ha |
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Why farmers say they like it* |
| Grain yield (On-farm) |
3.03 t/ha |
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Good yield, early maturity, disease resistance and lodging resistance |
| Grain yield under low N stress |
3.25 t/ha |
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| Grain yield under managed drought |
1.06 t/ha |
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*Common keywords from farmer feedback (EA-ROFT 2024-1B) |
| Grain yield under MLN stress (AI) |
5.60 t/ha |
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| Agronomic Characteristics |
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Kernel Characteristics |
| Maturity group |
Early |
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Kernel color |
White |
| 50% anthesis |
74.2 days |
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Kernel texture |
Semi-flint |
| (864 GDD) |
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| Anthesis-silking interval |
1.19 days |
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Biotic Stress Performance |
| Ear height |
116cm |
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MLN (AI) (1-9)* |
2.51 |
| Plant height |
233cm |
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Grey leaf spot (GLS) (AI & nat.) (1-9)* |
2.88 |
| Ears per plant |
1.02 |
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Turcicum leaf blight (TLB) (AI & nat.) (1-9)* |
2.74 |
| Bad husk cover |
4.09% |
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Common rust (nat.) (1-9)* |
2.45 |
| Ear aspect (1-5)* |
2.45 |
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Ear rots (nat.) (1-9)* |
8.64% |
| Plant aspect (1-5)* |
2.68 |
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*Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| Root lodging |
5.19% |
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| Stalk lodging |
6.66% |
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| *Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
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Seed Production Characteristics |
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SC female parent yield |
7.37 t/ha |
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Male parent yield |
1.85 t/ha |
| Further Links |
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Nicking |
3.1 days |
Full Product Announcement
(including trial results summary and site information) |
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Comments |
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Product information is based on data from East Africa 2023 Stage 4 (CIM23EAPP1B-RT) and 2024 Stage 5 (EA-ROFT 2024-1B) Trials. Actual performance will vary depending on a number of agronomic and environmental factors.
Abbreviations:
AI = artificial infestation/inoculation
FAW = fall armyworm
GDD = growing degree-days (°C)
GLS = Grey Leaf Spot
Low N = managed low nitrogen
masl = meters above sea level
MLN = maize lethal necrosis
MSV = maize streak virus
nat. = natural infestation
NUE = Nitrogen-use efficient
RS = random stress
SC = single-cross
TLB = Turcicum Leaf Blight |
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