| 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. |
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General Information |
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Target Region |
Latin America |
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Adaptation/Agroecological zone |
0 - 1200m above sea level |
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Type of product |
Three-way hybrid |
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Year first announced |
2023 |
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Grain Characteristics |
| Abiotic Stress Performance |
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Grain color |
White |
| Grain yield under optimum conditions |
8.2 t/ha |
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Grain texture |
Semi-dent |
| Grain yield under rainfed conditions |
6.1 t/ha |
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| Grain yield on-farm |
7.1 t/ha |
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Biotic Stress Performance |
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Maydis leaf blight (MLB) (1-9)* |
3.5 |
| Agronomic Characteristics |
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Tar Spot Complex (TSC) (1-9)* |
3.5 |
| Maturity group |
Intermediate |
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Ear Rots (%) |
6.9% |
| 50% anthesis |
57 DAP |
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*Scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible |
| Plant height |
255 cm |
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| Ear height |
125 cm |
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| Ear position (ratio) |
0.49 |
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Seed Production Characteristics |
| Ears per plant |
0.98 |
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SC female parent seed yield |
7.8 t/ha |
| Ear aspect (1-9)* |
3.0 |
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Male seed yield |
5.7 t/ha |
| Plant aspect (1-9)* |
3.5 |
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Nicking |
3 days |
| Bad husk cover |
3.0% |
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| Root lodging |
4.1% |
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Comments |
| Stalk lodging |
4.1% |
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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 |
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| *Plant and ear aspects are scored on 1-9 scale, where 1 = desirable and 9 = undesirable characteristics |
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| Further Links |
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| Full Announcement & trial data |
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