| CIMMYT's southern Africa product profile 1B (SAPP-1B) primarily focuses on developing high-yielding, late-maturing maize hybrids with white grain that are drought tolerant and NUE, with resistance to GLS, TLB, ear rots, and MSV, suitable for food use in tropical, rainfed, dry/wet mid-altitude and transition ecologies in southern Africa and similar agroecologies. |
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General Information |
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Adaptation/Agroecological zone |
400-1800 masl |
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Target region |
Southern Africa |
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Type of product |
Three-way cross hybrid |
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Year first announced |
2021 |
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Grain Characteristics |
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Grain color |
White |
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Grain texture |
Semi dent |
| Grain Yield |
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| Grain yield under optimum conditions |
8.69 t/ha |
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Biotic Stress Performance |
| Grain yield under managed drought |
1.40 t/ha |
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Turcicum leaf blight (TLB) (1-9) |
2.3 |
| Grain yield under low nitrogen |
3.47 t/ha |
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Grey leaf spot (GLS) (1-9) |
2.3 |
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Maize Streak Virus (MSV ) (1-9) |
1.0 |
| Agronomic Characteristics |
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Ear rots |
5.0% |
| Maturity |
132 DAP |
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Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| Plant height |
261.1 cm |
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| Ear height |
127.7 cm |
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| Ears per plant |
1.0 |
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Seed Production Characteristics |
| Bad husk cover |
8.5% |
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Single-cross female parent yield |
11.72 t/ha |
| Anthesis-silking interval |
1.3 Days |
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Male parent yield |
0.90 t/ha |
| Ear aspect (1-5) |
2.8 |
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Nicking |
-2 days |
| Root lodging |
2.6% |
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| Stalk lodging |
1.6% |
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Comments |
| Ear aspect is scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
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Product information is based on data from various trials conducted by CIMMYT in southern Africa in 2019.
Abbreviations:
DAP = days after planting
GLS = Grey Leaf Spot
MSV= Maize Streak Virus
NUE = Nitrogen Use Efficient
masl = meters above sea level
TLB = Turcicum Leaf Blight |
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| Further Links |
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| Full Announcement |
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| Trial Data Summary |
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