CIMMYT's eastern Africa product pipeline 1A (EA-PP1A) focuses on developing intermediate maturing, white grain, high-yielding maize hybrids that are drought tolerant, resistant to GLS, TLB, and MSV, and are suitable for food use in tropical rainfed dry/wet mid-altitude areas in eastern Africa. |
|
General Information |
|
Adaptation/Agroecological zone |
1000 - 1600 masl |
|
Type of product |
Three-way cross hybrid |
|
Year first announced |
2018 |
|
|
|
|
Grain Characteristics |
|
Grain color |
White |
|
|
|
Grain texture |
Semi dent |
Grain Yield |
|
|
|
Grain yield under optimum conditions |
6.6 t/ha |
|
Biotic Stress Performance |
Grain yield under random stress |
3.3 t/ha |
|
Turcicum leaf blight (TLB) (1-9) |
3.0 |
Grain yield under drought stress |
1.8 t/ha |
|
Grey leaf spot (GLS) (1-9) |
2.2 |
|
|
|
Maize streak virus (MSV) (1-9) |
0.2 |
Agronomic Characteristics |
|
Common rust (1-9) |
3.2 |
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. |
Plant height |
230.3 cm |
|
Bad husk cover |
10.0% |
|
Root lodging |
0.7% |
|
|
|
Stalk lodging |
20.1% |
|
Seed Production Characteristics |
Anther-silking interval |
1.1 Days |
|
Nicking |
-0.3 Days |
Ear aspect (1-5) |
2.4 |
|
|
|
Plant aspect (1-5) |
2.6 |
|
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 various trials conducted by CIMMYT in eastern Africa in 2018.
Abbreviations:
DAP = days after planting
GLS = Grey Leaf Spot
masl = meters above sea level
MSV = maize streak virus
TLB = Turcicum Leaf Blight |
|
|
|
|
Further Links |
|
Full Announcement |
|
Trial Data Summary |
|
Regional Trial Site Information |
|