94 Ripening, Overripe, straw dead and collapsing Seedling development , 3 leaves unfolded 13 35 Stem elongation or jointing, 5th node detectable 71 Kernel and milk development, Kernel watery ripe (clear liquid) 65 Flowering or anthesis, Flowering half complete variable_of Ripening, Seed dormant 95 Stem elongation or jointing, 1st node detectable 31 Seedling development , First leaf unfolded 11 23 Tillering, Main shoot and 3 Tillers 53 Heading, ¼ of head emerged 00 Germination, Dry seed Ripening, Secondary dormancy 98 Heading, ¾ of head emerged 57 Seedling development , 6 leaves unfolded 16 09 Germination, Leaf just at coleoptile tip Stem elongation or jointing, 6th node detectable 36 Tillering, Main shoot and 1 Tiller 21 Seedling development , 9 or more leaves unfolded 19 Germination, Radicle emerged from seed 05 scale_of Seedling development , First leaf emerged 10 Stem elongation or jointing, 3rd node detectable 33 41 Booting, Flag leaf sheath extending 28 Tillering, Main shoot and 8 Tillers 69 Flowering or anthesis, Flowering complete 34 Stem elongation or jointing, 4th node detectable 75 Kernel and milk development, Medium milk (milky liquid) 24 Tillering, Main shoot and 4 Tillers Heading, ½ of head emerged 55 47 Booting, Flag leaf sheath opening Dough development, Early dough (elastic, dry and shiny) 83 07 Germination, Coleoptile emerged from seed Seedling development , 4 leaves unfolded 14 22 Tillering, Main shoot and 2 Tillers Tillering, Main shoot and 7 Tillers 27 45 Booting, Boot swollen 26 Tillering, Main shoot and 6 Tillers 20 Tillering, Main shoot only Germination, Imbibition complete 03 Ripening, Kernel hard (difficult to divide, 16% water) 91 73 Kernel and milk development, Early milk (liquid off -white) method_of 39 Stem elongation or jointing, Flag leaf ligule/collar just visible 43 Booting, Boot just visibly swollen 81 Dough development, Very early dough (slides when crushed) 93 Ripening, Kernel loosening in daytime Tillering, Main shoot and 5 Tillers 25 Kernel and milk development, Late milk (more solids in milk) 77 Ripening, 50% of viable seed germinates 96 Flowering or anthesis, Start of flowering 61 Ripening, Seed not dormant 97 Seedling development , 7 leaves unfolded 17 Dough development, Soft dough (firm, thumbnail mark not held) 85 Ripening, Secondary dormancy lost 99 37 Stem elongation or jointing, Flag leaf just visible 18 Seedling development , 8 leaves unfolded 51 Heading, First spikelet of head visible entity attribute Ripening, Kernel hard (not dented by thumbnail) 92 Germination, Water uptake (imbibition) started 01 87 Dough development, Hard dough (thumbnail impression held) Heading, Emergence of head complete 59 Seedling development , 2 leaves unfolded 12 49 Booting, First awns visible Stem elongation or jointing, 2nd node detectable 32 15 Seedling development , 5 leaves unfolded acronym Stem elongation or jointing, Pseudo stem erection 30 29 Tillering, Main shoot and 9 or more Tillers 89 Late hard dough (difficult to dent) Zadoks or decimal code (00-99)