| CZH15305 is a high-yielding, late-maturing maize hybrid with white grain that is nitrogen-use efficient, with resistance to GLS, TLB, ear rots, rust, and MSV, suitable for food use in tropical, rainfed, dry/wet mid- and upper-altitudes in southern Africa and similar agroecologies. |
|
General Information |
| |
Adaptation/Agroecological zone |
1000 - 2000 masl |
| |
Region |
Southern Africa |
| |
Type of product |
Three-way Cross |
| |
Year first announced |
2018 |
| |
|
|
| |
|
|
Grain Characteristics |
| Grain Yield |
|
Grain color |
White |
| Grain yield (HL) |
9.3 t/ha |
|
Grain texture |
Semi-flint |
| Grain yield (WLMA) |
9.2 t/ha |
|
|
|
| Grain yield (WUMA) |
6.8 t/ha |
|
Biotic Stress Performance |
| Grain yield (DMA) |
6.3 t/ha |
|
Turcicum leaf blight (TLB) (1-9) (WLMA) |
3.6 |
| Grain yield (DLL) |
5.3 t/ha |
|
Rust (1-9) (WLMA) |
2.4 |
| Grain yield under low N stress |
2.9 t/ha |
|
Maize streak virus (MSV) (1-9) (WUMA) |
1.4 |
| |
|
|
Grey leaf spot (GLS) (1-9) (WLMA) |
2.0 |
| Agronomic Characteristics (WLMA) |
|
Ear rot (WLMA) |
1.8% |
| Maturity |
136 DAP |
|
Diseases were originally scored on a 1-5 scale but have been converted here to a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| Anthesis-silking interval |
1.5 days |
|
| Bad husk cover |
2.1% |
|
|
|
| Ears per plant |
1.7% |
|
Seed Production Characteristics |
| Ear height |
132cm |
|
Female seed yield |
7.47 t/ha |
| Plant height |
253cm |
|
Male seed yield |
1.88 t/ha |
| Root lodging |
9.3% |
|
Nicking |
2 Days |
| Stalk lodging |
20.7% |
|
|
|
| Ear aspect (1-5) |
3.3 |
|
Comments |
| Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
|
Product information is based on data from the CIMMYT Southern Africa Maize Regional On-Station 2018 Trials.
Abbreviations:
DAP = Days After Planting
DLL = Dry Lowlands
DMA = Dry Mid-Altitudes
GLS = Grey Leaf Spot
HL = Highland
Low N = Managed Low Nitrogen
masl = meters above sea level
MSV = maize streak virus
NUE = Nitrogen Use Efficient
TLB = Turcicum Leaf Blight
WLL = Wet Lowlands
WLMA = Wet Lower Mid-Altitudes
WUMA = Wet Upper Mid-Altitudes |
| |
| |
|
|
| Further Links |
|
| Full Announcement |
|
| Regional Trial Data Summary |
|
| Regional Trial Site Information |
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
