. 2016 May 20;118(4):699–710. doi: 10.1093/aob/mcw067

Table 2.

Model values for root shape parameters of the six clover entries at each harvest

Harvest	Parameter	T. uniflorum 4382	T. uniflorum 4383	Crusader BC₁	Kopu II BC₁	‘Crusader’	‘Kopu II’
1	β_j	0·042^a	0·044^a	0·048^a	0·026^a	0·036^a	0·034^a
2	β_j	0·068^a	0·077^a	0·110^a	0·067^a	0·049^a	0·066^a
3	β_j	0·483^a	0·373^ab	0·115^c	0·211^bc	0·037^d	0·047^d
4	β_j	1·894^a	1·759^a	1·480^a	2·620^a	0·065^b	0·274^c
1	R_j	2·8E-05^ab	0·00047^b	1·4E-07^a	2·7E-05^ab	2·0E-09^a	4·1E-06^ab
2	R_j	0·00463^ab	0·00986^b	0·00004^c	0·00169^a	0·00030^ac	0·00004^c
3	R_j	0·0145^ab	0·0105^ab	0·0172^ab	0·0077^a	0·0314^bc	0·0647^c
4	R_j	0·0415^a	0·0435^a	0·0432^a	0·0293^a	0·1777^b	0·0935^ab

β_j, root mass at 0–100 mm; R_j, rate of decrease with depth.

Harvest 1, 70 d after sowing (DAS); harvest 2, 119 DAS; harvest 3, 170 DAS; harvest 4, 237 DAS.

At each harvest, values with the same letter were not significantly different at the 5 % level.