General Husbandry	Seed Treatment	Growth Stages	Fertiliser	Weed Control
Diseases and Disease Control	Pests	Harvest & Storage	Growing Plan & Gross Margin	Varieties
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11	21	22	23-29	30	31	32	37	39	45	49	50-51	58-59	75
One leaf	Tillering begins	Two tillers formed	Leaf sheaths lengthen	Leaf sheaths strengthen	First node detectable	Second node detectable	Flag leaf just visible	Ligule of flag leaf just visible	Boots swollen	First awns visible	First ears just visible	All ears out of sheath	Ripening

 

GS	Germination	GS	Seedling Growth	GS	Tillering	GS	Stem Elongation
00	Dryseed	10	First leaf through coleoptile	20	Main shoot only	30	Ear at 1cm (pseudostem erect)
03	Imbibition complete	11	First leaf unfolded	21	Main shoot and 1 tiller	31	First node detectable
05	Radicle emerged from caryopsis	13	3 leaves unfolded	23	Main shoot and 3 tillers	32	2nd node detectable
07	Coleoptile emerged from caryopsis	15	5 leaves unfolded	25	Main shoot and 5 tillers	33	3rd node detectable
09	Leaf at coleoptile tip	19	9 or more leaves unfolded	29	Main shoot and 9 or more tillers	35	5th node detectable
						37	Flag leaf just visible
						39	Flag leaf blade all visible

(click on highlighted text to view diagram)

GS	Booting	GS	Ear emergence	GS	Flowering
41	Flag leaf sheath extending	51	First spikelet of ear just visible	61	Start of flowering
43	Flag leaf sheath just visibly swollen	55	0.5 of ear emerged	65	Flowering half-way
45	Flag leaf sheath swollen	59	Ear completely emerged	69	Flowering complete
47	Flag leaf sheath opening

 

GS	Milk Development	GS	Dough Development	GS	Ripening
71	Grain watery ripe	83	Early dough	91	Grain hard (difficult to divide)
73	Early milk	85	Soft dough	92	Grain hard (not dented by thumbnail)
75	Medium milk	87	Hard dough	93	Drain loosening in daytime
77	Late milk

 

GS 00 to 09 - Germination	GS 13,21 (3 leaves unfolded, 1 tiller)

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GS15,23 (5 leaves present on main shoot, 3 tillers)

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GS 30 (Stem elongation - ear at 1cm)

 

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GS 31 (Stem elongation - 1st node detectable)

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GS 32 (2nd node detectable)

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GS 32 (2nd node detectable)

 

 

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ALL INFORMATION INCLUDED ON THESE PAGES IS FOR GUIDANCE ONLY & DOES NOT CONSTITUTE RECOMMENDATION FROM AGRIVICE L