General Husbandry	Seed Treatment	Growth Stages	Fertiliser	Weed Control
Diseases and Disease Control	Pests	Harvest & Storage	Growing Plan & Gross Margin	Varieties
back to oilseeds

1.0	1.1	1.5	2.0	2.5	3.3	3.7	4.0	4.1	5.3	5.9	6.1 - 6.9	8.1 - 8.9	9.1 - 9.9
Two cotyledons	First true leaves	Five true leaves	Rosette stage	Five internodes	'Green bud'	'Yellow bud'	First flower open	10% buds open	30% pods formed	All pods formed	Seed development	Stem senescence	Pod senescence

GS 0	Germination and Emergence

GS	Leaf Production	GS	Stem Extension	GS	Flower Bud Development
1,0	Both cotyledons unfolded and green	2,0	No internodes ('rosette')	3,0	Only leaf buds present
1,1	First true leaf	2,4	About four internodes	3,1	Flower buds present but enclosed by leaves
1,2	Second true leaf			3,3	Flower buds visible from above ('green bud')
1,3	Third true leaf			3,5	Flower buds raised above leaves
1,4	Fourth true leaf			3,6	First flower stalks extending
1,5	Fifth true leaf			3,7	First flower buds yellow ('yellow bud')
1,10	About tenth true leaf
1,15	About fifteenth true leaf

(click on highlighted text to view diagram)

GS	Flowering	GS	Pod Development	GS	Seed Development
4,0	First flower opened	5,2	20% potential pods	6,1	Seeds expanding
4,1	10% all buds opened	5,5	50% potential pods	6,2	Most seeds translucent but full size
4,3	30% all buds opened	5,7	70% potential pods	6,3	Most seeds green
4,5	50% all buds opened	5,9	All potential pods	6,4	Most seeds green-brown mottled
				6,5	Most seeds brown
				6,6	Most seeds dark brown
				6,7	Most seeds black but soft
				6,8	Most seeds black and hard
				6,9	All seeds black and hard

GS 7	Leaf Senescence

GS	Stem Senescence	GS	Pod Senescence
8,1	Most stem green	9,1	Most pods green
8,5	Half stem green	9,5	Half pods green
8,9	Little stem green	9,9	Few pods green

 

GS 1,0 (both cotyledons unfolded and green)	GS 1,5 (fifth true leaf exposed)

back to top

 

GS1,9 (ninth true leaf shaded)

back to top

 

GS 2,4 (four internodes) An internode is counted when its length is greater than the width of the stem at that point.

 

back to top

GS 3,3 (flower buds visible from above - 'green bud'

GS 5,2 (20% of all pods on main stem more than 2cm long)

 

back to top

back to oilseed rape index

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