| CIMMYT's Latin America product pipeline Tropical Lowland (LatAm-PP1A) focuses on developing intermediate-maturing, white-grain, high-yielding maize hybrids that are drought tolerant, resistant to TSC, MLB and ear rots, and are suitable for food use in tropical rainfed dry/wet low-altitude areas in Latin America. |
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General Information |
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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 |
2022 |
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Grain Characteristics |
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Grain color |
White |
| Grain yield |
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Grain texture |
Semi-dent |
| Grain yield under optimum conditions |
8.3 t/ha |
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| Grain yield under rainfed conditions |
5.7 t/ha |
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Biotic Stress Performance |
| Grain yield on-farm |
7.3 t/ha |
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Maydis leaf blight (MLB) (1-9) |
3.2 |
| Grain yield under drought stress |
4.5 t/ha |
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Tar Spot Complex (TSC) (1-9) |
3.5 |
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Diseases are scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible |
| Agronomic Characteristics |
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| 50% anthesis |
58 DAP |
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| Plant height |
252 cm |
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Seed Production Characteristics |
| Ear height |
135 cm |
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Female seed yield |
5.8 t/ha |
| Ear position (ratio) |
0.53 |
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Male seed yield |
3.3 t/ha |
| Ears per plant |
1.0 |
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Nicking |
0 days |
| Ear aspect |
2.4 |
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| Bad husk cover |
2.3% |
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Comments |
| Ear rot |
5.7% |
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Product information is based on data from the 2020 CIMMYT LatAm Stage 4 Regional Trials and 2021 Stage 5 trials. Actual performance will vary depending on a number of agronomic and environmental factors.
Abbreviations:
DAP = days after planting
MLB = Maydis leaf blight
SC = Single-cross
TSC = Tar spot complex |
| Root lodging |
4.6% |
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| Stalk lodging |
4.8% |
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| Anther-silking interval |
0.3 days |
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| Further Links |
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| Full announcement & trial data |
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