Hybrid CHU RM CHU to 50% Silk Silking RM Characteristics Companions RIB MZ 1200DBR 2050 72 1277 73 • One of the earliest hybrids in Canada with insect protection • Excellent seedling vigour for early stand establishment • Strong test weight and grain quality O = MZ 1340DBR D = MZ 1231DBR RIB NEW MZ 1231DBR 2050 72 1280 73 • Elevated yield performance • Excellent fall intactness promotes efficient harvest • Strong green-snap and root-lodging tolerance O = MZ 1340DBR D = MZ 1200DBR RIB E44H12 R 2100 74 1302 74 • Excellent grain quality and test weight • Excellent stalks and roots • Stable across environments O = MZ 1340DBR D = MZ 1200DBR RIB MZ 1340DBR 2150 73 1250 73 • Ultra-early flowering • Excellent grain quality and test weight • Open husk aids grain drydown O = MZ 1544DBR D = MZ 1397DBR RIB NEW MZ 1397DBR 2150 73 1270 74 • Sets grain early for risk management • Excellent fall intactness promotes efficient harvest • Strong green-snap and root-lodging tolerance O = MZ 1544DBR D = MZ 1688DBR CONV MZ 154 2250 75 1301 75 • Rapid grain drydown • Strong stalks facilitate harvest ease • Strong disease package Legend Numerical ratings (1 – 9): 1 = very poor; 9 = excellent; UR = unrated Companions: O = hybrid with offensive traits; D = hybrid with defensive traits Response to intensive management: “Intensive management” denotes additional plant population (i.e. +5,000 ppa), nitrogen (i.e. +50 lbs N/acre), and with fungicide applications at VT (tassel stage); this was generally compared to a standard management package that had inputs in the range of 30,000 – 32,000 ppa, 135 – 170 lbs N/acre, and no foliar fungicide applications. The numerical ratings in this category are scored from 0 – 10, where 0 = no response, 10 = a very large response, and UR = unrated. Geography: Provides positioning if moving from stated maturity range. North of zone denotes moving to earlier maturity area so has characteristics such as early flowering. South of zone denotes moving to later maturity area with characteristics such as good standability if pushed later. Final seeding population: Population in 000s ppa that is the ideal target for this hybrid. Where conditions are less favourable, move to the lower range of the population recommendations. Plant height: S = short; M = medium; T = tall Disease ratings: NCLB = Northern Corn Leaf Blight; ANTH = Anthracnose 12 Grain Corn Hybrids
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