Soft Red Winter Wheat Crop Growth Stages

Table 1. Soft Red Winter Wheat Crop Growth Stages
Visual Discription	Decimal	Feekes	Visual Description	Decimal	Feekes
Germination Dry seed Start of imbibition Imbibition complete Emerged radicle Emerged coleoptile Leaf at coleoptile tip	00 01 03 05 07 09		Booting Flag leaf sheath extending Boot swollen Flag leaf sheath opening First visible awns	41 45 47 49	10
Seedling Growth First true leaf First leaf unfolded 2 leaves unfolded 3 leaves unfolded 4 leaves unfolded 5 leaves unfolded 6 leaves unfolded 7 leaves unfolded 8 leaves unfolded 9 or more leaves	10 11 12 13 14 15 16 17 18 19	1	Inflorescence emergence First inflorecence spikelet visible 1/4 of inflorescence visible 1/2 of inflorescence visible 3/4 of inflorescence visible Inflorescence completely emerged Anthesis Anthesis begins 1/2 of anthesis complete Anthesis complete	50 53 55 57 59 60 65 69	10.1 10.2 10.3 10.4 10.5 10.51
Tillering Main shoot only Main shoot and 1 tiller Main shoot and 2 tillers Main shoot and 3 tillers Main shoot and 4 tillers Main shoot and 5 tillers Main shoot and 6 tillers Main shoot and 7 tillers Main shoot and 8 tillers Main shoot and 9 or more tillers	20 21 22 23 24 25 26 27 28 29	2 3	Milk development Kernel watery ripe Early milk Medium milk Late milk Dough development Early dough Soft dough Hard dough	71 73 75 77 83 85 87	10.54 11.1 11.2
Stem elongation Pseudo stem erection 1st detectable node 2nd detectable node 3rd detectable node 4th detectable node 5th detectable node 6th detectable node Flag leaf visible Flag leaf ligule and collar visible	30 31 32 33 34 35 36 37 39	4-5 6 7 8 9	Ripening Kernel hard (difficult to split by thumbnail) Kernel hard (cannot be dented by thumbnail) Kernel loosening in daytime Overripe Seed Dormant Viable seed has 50% germ. Seed not dormant Secondary dormancy Secondary dormancy lost	91 92 93 94 95 96 97 98 99	11.3 11.4
Adapted from J.E. nelson, K.D. Kephart, A. Bauer, and J.E. Connor. 1988. Growth staging of wheat, barley, and wild oat. MSU Coop. Ext. Ser., Bozeman, MT and Univ. Idaho Coop. Ext. Ser., Moscow, ID.