GRO:0007199 cereal plant growth stage ontology > PO:whole plant growth stage ; PO:0007033 GRO:0007156 wheat, barley and oat growth stage > PO:whole plant growth stage ; PO:0007033 GRO:0007051 01-germination > PO:0 germination ; PO:0007057 GRO:0007052 1.01-dry seed > PO:dry seed stage ; PO:0001040 GRO:0007053 1.02-start of imbibition > PO:0.1 imbibition ; PO:0007022 GRO:0007054 1.03-imbibition complete > PO:0.1 imbibition ; PO:0007022 GRO:0007055 1.04-radicle emerged from seed > PO:radicle emergence ; PO:0007015 GRO:0007056 1.05-coleoptile emerged from seed > PO:coleoptile emergence ; PO:0007045 GRO:0007057 1.06-leaf just at coleoptile tip > PO:coleoptile emergence ; PO:0007045 GRO:0007058 02-seedling growth > PO:leaf production ; PO:0007112 GRO:0007059 2.01-first leaf through coleoptile > PO:cotyledon emergence ; PO:0007049 GRO:0007060 2.02-first leaf unfolded > PO:LP.01 one leaf visible ; PO:0007094 GRO:0007061 2.03-two leaves unfolded > PO:LP.02 two leaves visible ; PO:0007098 GRO:0007062 2.04-three leaves unfolded >PO: LP.03 three leaves visible ; PO:0007106 GRO:0007063 2.05-four leaves unfolded > PO:LP.04 four leaves visible ; PO:0007115 GRO:0007064 2.06-five leaves unfolded > PO:LP.05 five leaves visible ; PO:0007065 GRO:0007065 2.07-six leaves unfolded > PO:LP.06 six leaves visible ; PO:0007123 GRO:0007066 2.08-seven leaves unfolded > PO:LP.07 seven leaves visible ; PO:0007063 GRO:0007067 2.09-eight leaves unfolded > PO:LP.08 eight leaves visible ; PO:0007095 GRO:0007068 2.10 nine or more leaves unfolded > PO:LP.09 nine leaves visible ; PO:0007101 GRO:0007069 03-tillering > PO:2 formation of axillary shoot ; PO:0007073 GRO:0007071 3.02-main shoot and one tiller > PO:2.01 main shoot and axillary shoots visible at one node ; PO:0007087 GRO:0007072 3.03-main shoot and two tillers > PO:2.02 main shoot and axillary shoots visible at two nodes ; PO:0007071 GRO:0007073 3.04-main shoot and three tillers > PO:2.03 main shoot and axillary shoots visible at three nodes ; PO:0007080 GRO:0007074 3.05-main shoot and four tillers > PO:2.04 main shoot and axillary shoots visible at four nodes ; PO:0007088 GRO:0007075 3.06-main shoot and five tillers > PO:2.05 main shoot and axillary shoots visible at five nodes ; PO:0007093 GRO:0007076 3.07-main shoot and six tillers > PO:2.06 main shoot and axillary shoots visible at six nodes ; PO:0007118 GRO:0007077 3.08-main shoot and seven tillers > PO:2.07 main shoot and axillary shoots visible at seven nodes ; PO:0007122 GRO:0007078 3.09-main shoot and eight tillers > PO:2.08 main shoot and axillary shoots visible at eight nodes ; PO:0007077 GRO:0007079 3.10-main shoot and nine or more tillers > PO:2.09 main shoot and axillary shoots visible at nine nodes ; PO:0007110 GRO:0007080 stem elongation > PO:stem elongation ; PO:0007089 GRO:0007081 4.01-pseudo stem erection > PO:SE.00 stem elongation begins ; PO:0007079 GRO:0007082 4.02 first node detectable > PO:SE.01 one node/internode visible ; PO:0007091 GRO:0007083 4.03-second node detectable > PO:SE.02 two nodes/internodes visible ; PO:0007117 GRO:0007084 4.04-third node detectable > PO:SE.03 three nodes/internodes visible ; PO:0007096 GRO:0007085 4.05-fourth node detectable > PO:SE.04 four nodes/internodes visible ; PO:0007092 GRO:0007086 4.06-fifth node detectable > PO:SE.05 fifth node/internode visible ; PO:0007086 GRO:0007087 4.07-sixth node detectable > PO:SE.06 sixth node/internode visible ; PO:0007062 GRO:0007088 4.08-flag leaf just visible > PO:SE.97 flag leaf visible ; PO:0007099 GRO:0007089 4.09-flag leaf ligule/collar just visible > PO:SE.99 maximum stem length reached ; PO:0007109 GRO:0007090 05-booting > PO:booting ; PO:0007014 GRO:0007091 5.01-flag leaf sheath extending > PO:BO.01 early boot stage ; PO:0007018 GRO:0007092 5.02-boots just swollen > PO:BO.02 mid boot stage ; PO:0007044 GRO:0007093 5.03-flag leaf sheath opening >PO: BO.04 flag leaf sheath opening ; PO:0007028 GRO:0007094 5.04-first awns visible > PO:BO.05 flag leaf sheath opened ; PO:0007019 GRO:0007095 06-inflorescence emergence > PO:inflorescence emergence from flag leaf sheath ; PO:0007041 GRO:0007096 6.01-first spikelet of inflorescence visible > PO:IE.00 inflorescence tip just visible above flag leaf ; PO:0007025 GRO:0007097 6.02-1/4 of inflorescence emerged > PO:IE.01 1/4 of inflorescence emerged from flag leaf sheath ; PO:0007048 GRO:0007098 6.03-1/2 of inflorescence emerged > PO:IE.02 1/2 of inflorescence emerged from flag leaf sheath ; PO:0007008 GRO:0007099 6.04-3/4 of inflorescence emerged > PO:IE.03 3/4 of inflorescence emerged from flag leaf sheath ; PO:0007002 GRO:0007100 6.05-emergence of inflorescence completed > PO:IE.04 inflorescence fully emerged from flag leaf ; PO:0007023 GRO:0007101 07-anthesis > PO:4 flowering ; PO:0007016 GRO:0007102 7.01-anthesis beginning > PO:FL.00 first flower(s) open ; PO:0007026 GRO:0007103 7.02-anthesis half-way > PO:FL.02 1/2 of flowers open ; PO:0007053 GRO:0007104 7.03-anthesis completed > PO:FL.04 end of flowering ; PO:0007024 GRO:0007105 08-milk development > PO:5 fruit formation ; PO:0007042 GRO:0007106 8.01-kernel watery ripe > PO:FF.00 fruit size 10% ; PO:0007032 GRO:0007107 8.02-early milk > PO:FF.01 fruit size 30% ; PO:0007009 GRO:0007108 8.04-medium milk > PO:FF.03 fruit size 70% ; PO:0007007 GRO:0007109 8.03-late milk > PO:FF.03 fruit size 70% ; PO:0007007 GRO:0007110 09-dough development > PO:6 ripening ; PO:0007010 GRO:0007111 9.01-early dough > PO:FR.01 early stage of fruit ripening ; PO:0007001 GRO:0007112 9.02-soft dough > PO:FR.02 mid stage of fruit ripening ; PO:0007031 GRO:0007113 9.03-hard dough > PO:FR.03 late stage of fruit ripening ; PO:0007050 GRO:0007114 10-ripening > PO:FR.04 fruit ripening complete ; PO:0007038 GRO:0007115 10.01-kernel medium hard > PO:FR.04 fruit ripening complete ; PO:0007038 GRO:0007117 10.03-kernel loosening in daytime > PO:C senescence ; PO:0007017 GRO:0007118 10.04-overripe, straw dead and collapsing > PO:C senescence ; PO:0007017 GRO:0007119 10.05-seed dormant > PO:D dormancy ; PO:0007132 GRO:0007120 10.06-viable seed germination > PO:D dormancy ; PO:0007132 GRO:0007121 10.07-seed not dormant > PO:D dormancy ; PO:0007132 GRO:0007122 10.08-secondary dormancy induced > PO:D dormancy ; PO:0007132 GRO:0007123 10.09-secondary dormancy lost > PO:D dormancy ; PO:0007132