| CZH15221 is an early-maturing, white, high-yielding, drought-tolerant maize hybrid that is NUE and resistant to rust, GLS, and TLB, and bred for food use in tropical, rainfed, dry/wet mid-altitude and lowland ecologies in southern Africa and similar agroecologies. |
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General Information |
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Target region |
Southern Africa |
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Adaptation/Agroecological zone |
< 1800 masl |
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Type of product |
Three-way cross hybrid |
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Year first announced |
2016 |
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Grain Characteristics |
| Grain Yield |
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Grain color |
White |
| Grain yield under opt (ME-A) |
6.84 t/ha |
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Grain texture |
Semi-dent |
| Grain yield under HD |
9.31 t/ha |
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| Grain yield under random stress (ME-C) |
2.93 t/ha |
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Biotic Stress Performance |
| Grain yield under low N stress |
2.50 t/ha |
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Grey leaf spot (GLS) (1-9)* |
1.8 |
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Common rust (P. sorg) (1-9)* |
3.0 |
| Agronomic Characteristics |
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Turcicum leaf blight (TLB) (1-9)* |
3.0 |
| Maturity |
Late |
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*Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| Days to 50% anthesis |
64.6 days |
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| Anthesis-silking interval |
-0.1 days |
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| Plant height |
243.1 cm |
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Comments |
| Ear height |
121.6 cm |
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Product information is based on data from CIMMYT southern Africa 2016 regional trial (WEHYB16). Actual performance will vary depending on a number of agronomic and environmental factors.
Abbreviations:
GLS = Grey Leaf Spot
HD = high density (80,000 plants per ha)
low N = low soil nitrogen
low P = low soil phosphorus
low pH = low soil pH (acidic soil)
masl = meters above sea level
ME-A = Maize mega-environment A (wet upper mid-altitudes)
ME-B = Maize mega-environment B (wet lower mid-altitudes)
ME-C = Maize mega-environment C (dry mid-altitudes)
ME-D = Maize mega-environment D (wet lowlands)
MSV = Maize Streak Virus
NUE = Nitrogen Use Efficient
opt = optimum management conditions
TLB = Turcicum Leaf Blight |
| Ear position (ratio) |
0.51 |
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| Lodging |
5.3% |
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| Further Links |
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| 1. Full Announcement & trial data summary |
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| 2. Maize Mega-Environments (map) |
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