CIMMYT's eastern Africa product pipeline 1A (EA-PP1A) focuses on developing intermediate maturing, white grain, high-yielding maize hybrids that are drought tolerant, NUE, resistant to GLS, TLB, ear rots, and MSV, and are suitable for food use in tropical rainfed dry/wet mid-altitude areas in eastern Africa. |
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General Information |
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Adaptation/Agroecological zone |
1000 - 1600 masl |
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Type of product |
Three-way cross hybrid |
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Year first announced |
2019 |
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Grain Characteristics |
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Grain color |
White |
Grain Yield |
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Grain texture |
Dent |
Grain yield under optimum conditions |
8.6 t/ha |
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Grain yield under high density (80,000 plants) |
9.3 t/ha |
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Biotic Stress Performance |
Grain yield under drought stress |
3.8 t/ha |
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Turcicum leaf blight (TLB) (1-9) |
3.2 |
Grain yield under low N stress |
4.5 t/ha |
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Grey leaf spot (GLS) (1-9) |
1.8 |
Grain yield under striga conditions |
3.1 t/ha |
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Maize streak virus (MSV) (1-9) |
4.6 |
Grain yield under MLN artificial Inoculation |
1.3 t/ha |
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FAW leaf damage (1-9) |
5.8 |
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FAW cob damage (1-9) |
8.8 |
Agronomic Characteristics |
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Grain weight loss (MW) |
0.2% |
Maturity |
150 DAP |
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Grain weight loss (LGB) |
0.2% |
Plant height |
248.1 cm |
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Ear rots |
4.2% |
Ear height |
132.5 cm |
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Diseases are scored on 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible |
Bad husk cover |
4.2% |
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Root lodging |
1.8% |
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Stalk lodging |
3.9% |
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Seed Production Characteristics |
Anther-silking interval |
-0.1 days |
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Female seed yield |
7.4 t/ha |
Ears per plant (#) |
1.1 |
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Male seed yield |
4.9 t/ha |
Ear aspect (1-5) |
2.3 |
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Nicking |
-7 Days |
Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
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Comments |
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Product information is based on data from various trials conducted by CIMMYT in eastern Africa in 2018.
Abbreviations:
DAP = days after planting
FAW = Fall armyworm
GLS = Grey Leaf Spot
HD = High Density (80,000 plants per ha)
LGB= Larger Grain Borer
Low N = Managed Low Nitrogen
masl = meters above sea level
MSV = maize streak virus
MW= Maize Weevil
TLB = Turcicum Leaf Blight |
Further Links |
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Full Announcement |
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Trial Data Summary |
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Regional Trial Site Information |
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