| CAH202 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-waterlogging conditions, and has tolerance to TLB, ear rots, and BLSB. |
|
General Information |
| |
Target Region |
South Asia |
| |
Adaptation/Agroecological zone |
Tropical lowlands
(up to 1300 masl) |
| |
Type of product |
Single-cross hybrid |
| |
Year first announced |
2023 |
| |
|
|
|
|
| Grain Yield |
|
Kernel Characteristics |
| Grain yield (opt.) |
9.15 t/ha |
|
Kernel color |
Yellow |
| Grain yield under on-farm conditions |
6.44 ± 0.38 t/ha |
|
Kernel texture |
Semi-dent |
| Grain yield under drought stress (DT) |
4.49 t/ha |
|
|
|
| Grain yield under waterlogging stress (WL) |
5.09 t/ha |
|
Biotic Stress Performance |
| Grain yield random stress (RS) |
5.33 t/ha |
|
Fusarium stalk rot (FSR) (AI) (1-9)* |
6.6 |
| |
|
|
Turcicum leaf blight (TLB) (AI) (1-9)* |
4.2 |
| Agronomic Characteristics |
|
Banded leaf and sheath blight (BLSB) (AI) (1-9)* |
5.5 |
| Maturity group |
Intermediate |
|
Ear rots (1-9)* |
5.1 |
| 50% anthesis |
54 days |
|
*Diseases are scored on a 1-9 scale, where 1 = Highly resistant; 5 = Tolerant; 9 = Highly susceptible. |
| 876.7 GDD |
|
| Anthesis-silking interval |
-2.0 days |
|
|
|
| Ear height |
105 cm |
|
Seed Production Characteristics |
| Plant height |
200 cm |
|
Female parent yield |
3.63 t/ha |
| Ear position |
0.52 |
|
Male parent yield |
3.10 t/ha |
| Ears per plant |
0.90 |
|
Nicking |
3.0 days |
| Ear aspect (1-5)* |
2.5 |
|
|
|
| Plant aspect (1-5)* |
2.0 |
|
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 CIMMYT's SAWLDT 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)
Opt = optimal environment
RS = random stress trial
TLB = Turcicum Leaf Blight
WL = managed waterlogging trial |
| |
| |
|
|
| Further Links |
|
Full Product Announcement
(including trial results summary and site information) |
|
| |
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
