CZH15303

CZH15303 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) 10.3 t/ha   Grain texture Semi-dent Grain yield (WLMA) 8.2 t/ha       Grain yield (WUMA) 7.2 t/ha   Biotic Stress Performance Grain yield (DMA) 7.0 t/ha   Turcicum leaf blight (TLB) (1-9) (WLMA) 3.6 Grain yield (DLL) 5.8 t/ha   Rust (1-9) (WLMA) 2.6 Grain yield under low N stress 2.9 t/ha   Maize streak virus (MSV) (1-9) (WUMA) 1.6       Grey leaf spot (GLS) (1-9) (WLMA) 2.4 Agronomic Characteristics (WLMA)   Ear rot (WLMA) 1.1% Maturity 138 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  1.8 days   Bad husk cover  0.2%       Ears per plant 1.1   Seed Production Characteristics Ear height  136cm   Female seed yield  7.67 t/ha Plant height  253cm   Male seed yield  2.29 t/ha Root lodging  11.8%   Nicking -9 Days Stalk lodging  13.6%       Ear aspect (1-5) 3.4   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