Before revision: The spacing between the stages follows calendar time for the temperate climate of Switzerland (sowing in November, harvest mid-July) The phenological growth stages and BBCH-identification keys of cereals are: Growth stageCodeDescription0: Germination00 Dry seed (caryopsis)01 Beginning of seed imbibition03 Seed imbibition complete05 Radicle emerged from caryopsis06 Radicle elongated, root hairs and/or side roots visible07 Coleoptile emerged from caryopsis09 Emergence: coleoptile penetrates soil surface (cracking stage)1: Leaf development1, 210 First leaf through coleoptile11 First leaf unfolded12 2 leaves unfolded13 3 leaves unfolded1 .
After revision: The spacing between the stages follows time for the temperate climate of Switzerland (sowing in November, harvest mid-July) The phenological growth stages and BBCH-identification of cereals are: Growth stageCodeDescription0: Germination00 Dry seed (caryopsis)01 Beginning of seed imbibition03 Seed imbibition complete05 Radicle emerged from caryopsis06 Radicle elongated, root hairs and/or side roots visible07 Coleoptile emerged from caryopsis09 Emergence: coleoptile penetrates soil surface (cracking stage)1: Leaf development1, 210 First leaf through coleoptile11 First leaf unfolded12 2 leaves unfolded13 3 leaves unfolded1 .