CIMMYT's southern Africa product profile 1A (SAPP-1A) primarily focuses on developing high-yielding, intermediate-maturing maize hybrids with white grain, drought tolerance that are NUE and resistant 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 |
8.28 t/ha |
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Biotic Stress Performance |
Grain yield under managed drought |
2.74 t/ha |
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Turcicum leaf blight (TLB) (1-9) |
2.5 |
Grain yield under low nitrogen |
2.18 t/ha |
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Grey leaf spot (GLS) (1-9) |
3.0 |
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Maize Streak Virus (MSV) (1-9) |
1.0 |
Agronomic Characteristics |
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Ear rots |
5.9% |
Maturity |
130 DAP |
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Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
Plant height |
244.6 cm |
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Ear height |
119.6 cm |
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Ears per plant |
1.0 |
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Seed Production Characteristics |
Bad husk cover |
3.8% |
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Single-cross female parent yield |
5.50 t/ha |
Anthesis-silking interval |
1.5 Days |
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Male parent yield |
3.22 t/ha |
Ear aspect (1-5) |
2.4 |
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Nicking |
-5 days |
Root lodging |
9.0% |
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Stalk lodging |
9.4% |
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Comments |
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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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