| CAH204 is an intermediate-maturing maize hybrid bred for the tropical lowlands of South Asia. This high-yielding, yellow-kernel maize hybrid performs well under drought and drought-plus-heat conditions, and has tolerance to TLB, MSR and FSR. |
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General Information |
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Target Region |
South Asia |
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Adaptation/Agroecological zone |
Tropical lowlands
(up to 1300 masl) |
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Type of product |
Single-cross hybrid |
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Year first announced |
2023 |
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| Grain Yield |
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Kernel Characteristics |
| Grain yield (opt.) |
8.80 t/ha |
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Kernel color |
Yellow |
| Grain yield under on-farm conditions |
6.62 ± 0.45 t/ha |
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Kernel texture |
Semi-dent |
| Grain yield under heat stress (mod VPD) |
6.85 t/ha |
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| Grain yield under heat stress (high VPD) |
5.64 t/ha |
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Biotic Stress Performance |
| Grain yield random stress (RS) |
5.81 t/ha |
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Fusarium stalk rot (FSR) (AI) (1-9)* |
5.5 |
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Turcicum leaf blight (TLB) (AI) (1-9)* |
4.5 |
| Agronomic Characteristics |
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Macrophomina stalk rot (MSR) (AI) (1-9)* |
4.4 |
| Maturity group |
Intermediate |
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Ear rots (1-9)* |
5.1 |
| 50% anthesis |
63.3 days |
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*Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| 891.8 GDD |
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| Anthesis-silking interval |
1.7 days |
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| Ear height |
66.5 cm |
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Seed Production Characteristics |
| Plant height |
187.7 cm |
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Female parent yield |
3.63 t/ha |
| Ear position (ratio) |
0.37 |
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Male parent yield |
3.86 t/ha |
| Ears per plant |
0.93 |
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Nicking |
3.0 days |
| Ear aspect (1-5)* |
2.0 |
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| Plant aspect (1-5)* |
1.5 |
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Comments |
| *Plant and ear aspects are scored on 1-5 scale, where 1 = desirable and 5 = undesirable characteristics |
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Product information is based on data from CIMMYT's SAHDT 2020/21 Stage 4 Regional On-Station Trials and 2021/22 Stage 5 Regional On-Farm Trials. Actual performance will vary depending on a number of agronomic and environmental factors.
Abbreviations:
AI = artificial infestation/inoculation
BLSB = Banded leaf and sheath blight
DT = Managed drought trial
FSR = Fusarium stalk rot
GDD = growing degree-days (°C)
MSR = Macrophomina stalk rot
Opt = optimal environment
RS = random stress trial
TLB = Turcicum Leaf Blight
VPD = vapor-pressure deficit |
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| Further Links |
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Full Product Announcement
(including trial results summary and site information) |
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