| CZH16099 is a late-maturing, white-grain, high-yielding, drought-tolerant maize hybrid that is resistant to GLS, TLB, rust, and MSV, bred 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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Target region |
Southern Africa |
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Adaptation/Agroecological zone |
400-1800 masl |
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Type of product |
Three-way cross hybrid |
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Year first announced |
2017 |
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Grain Characteristics |
| Grain Yield |
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Grain color |
White |
| Grain yield under HD (ME-A) |
10.9 t/ha |
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Grain texture |
Semi-flint |
| Grain yield under opt (ME-A) |
10.3 t/ha |
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| Grain yield under opt (ME-B) |
8.7 t/ha |
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Biotic Stress Performance |
| Grain yield under opt (ME-C) |
5.7 t/ha |
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Grey leaf spot (GLS) (1-9)* |
1.5 |
| Grain yield under opt (ME-D) |
2.8 t/ha |
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Common rust (P. sorg) (1-9)* |
3.1 |
| Grain yield under MSV stress (ai) |
8.6 t/ha |
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Turcicum leaf blight (TLB) (1-9)* |
2.5 |
| Grain yield under low N stress |
3.3 t/ha |
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Ear rots |
1.1% |
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*Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| Agronomic Characteristics |
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| Maturity group |
Late |
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| Days to 50% anthesis |
65 days |
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Seed Production Characteristics |
| Anthesis-silking interval |
0.0 days |
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SC female parent yield |
8.84 t/ha |
| Plant height |
253 cm |
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Male parent yield |
2.16 t/ha |
| Ear height |
121 cm |
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Nicking |
-5.7 days |
| Ears per plant |
0.99 |
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Height difference at flowering (SPEH-PPPH) |
-12.6 cm |
| Bad husk cover |
0.0% |
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| Ear aspect (1-5)* |
2.6 |
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Comments |
| Plant aspect (1-5)* |
2.7 |
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Product information is based on data from CIMMYT southern Africa 2017 regional trial (WLHYB17). 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
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
PPPH = pollen parent plant height at flowering time
SPEH = seed parent ear height at flowering time
TLB = Turcicum Leaf Blight |
| *Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
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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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