International and Regional Maize Trials 2009/2010

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Regional maize trials for lowland tropical and mid-altitude ecologies from the Eastern and Central Africa Regional Program, CIMMYT, Kenya, 2009/2010.

Trial type
Trial Code
Trial Name
Trial description
Maturity
Grain Color
Entries
Reps
Number of sets available
Date ready for shipment
Additional information
OPV
EEWV1091
ECA-EVT10
Early and extra-early white OPVs
Early & extra-early
White
20-25
3
50
March,2010

Early and Extra-Early Open-Pollinated Variety Trial: This trial consists of normal maize varieties adapted to the mid-altitude and lowland dry ecologies of east Africa.
OPV
EIWV1092
ECA-ILVT10
Intermediate to late white OPVs
Interm/Late
White
20-25
3
50
March,2010
Intermediate to Late Open-Pollinated Variety Trial: This trial consists of intermediate to late normal maize varieties adapted to the mid-altitude ecologies of east Africa.
Hybrid
EIWH1093
ECA-IDTC10
Intermediate white double topcross hybrids
Early/Interm
White
20-30
3
50
March,2010
Intermediate Double Topcross Hybrid Trial: This trial consists of normal DTC hybrids adapted to the mid-altitude and lowland dry ecologies of east Africa
Hybrid
EIWH1094
ECA-QHT10
Intermediate white QPM hybrids
Intermediate
White
20-30
3
50
March,2010
Intermediate QPM Hybrid Trial: This trial consists of intermediate QPM three-way cross hybrids adapted to the mid-altitude ecologies of east and southern Africa.
Hybrid
EIWH1095
ECA-ILHT10
Intermediate to late white normal maize hybrids
Interm/Late
White
30-40
3
50
March,2010
Intermediate - Late Hybrid Trial: This trial consists of intermediate to late three-way cross hybrids adapted to the mid-altitude ecologies of eastern Africa.
Hybrid
EIWH1096
IRMA-SBHT10 Early to intermediate white stem borer resistant hybrids
Early/Interm
White
30
3
30
March,2010
Early to intermediate stem borer resistant hybrids adapted to the mid-altitude ecologies of east Africa. This trial should be grown under artificial infestation with the relevant stem borer species or planted under natural infestation in hotspots for stem borers. Collaborators who have access to stem borer black head eggs or larvae are encouraged to treat the varieties according to the provided instructions.
Hybrid
EIWH1097
IRMA-SPHT10
Early to intermediate white stem borer resistant TWC hybrids
Early/Interm
White
30
3
30
March,2010
Early to intermediate maize weevil and larger grain borer resistant hybrids adapted to the mid-altitude ecologies of East Africa. Collaborators who have access to testing facilities are encouraged to screen the harvested ears or grain with maize weevil and larger grain borer according to the provided instructions.
Design:     All trials will be done using alpha lattice design.
Plot size:  Two 5-m rows spaced 75 cm apart .

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