Glossary
Maturity Class This reflects on how long it takes the plant to achieve 30-35% dry matter. An earlier variety will have a shorter growing season and a higher maturity class number. Alternatively an FAO number can be used, indicating the number of heat units required to reach maturity. The lower the number, the less heat units required.
Breeder Variety
FAO MC Maturity Site
KWS KWS KWS
Kaspian Sergio
150 13 160 10 160 10 160 10
Very Marginal
Ultra early
Kroft
Limagrain Reason Grainseed ES Picker Limagrain Yukon Grainseed ES Lovely
10
170 9
9
Marginal
DSV KWS KWS KWS
LiRoyal Severus Aurelius Kougar
170 9 170 8 180 8 180 8 190 8 190 7 200 7 210 6 210 5 8
Early
Grainseed Remington Caussade Belami Limagrain Emblem Caussade Rianni
Favourable
Maincrop
DSV KWS DSV
Movanna Kompetens Petroschka
Very Favourable
230
Late
CWD Cell wall digestibility gives a value to the rest of the plant that isn’t starch – the leaves and stem (making up 45-55% of the plant). Usually expressed as a percentage, converted into a 1-10 number, each unit corresponds to a 1% increase in cell wall digestibility. This 1% increase can increase dry matter intake by 0.17kg/day.
Maize Handbook 2018 04
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