Table 1.

Mean number of plants per plot, plant height, seed mass and seed number (± s.e.) of Brassica tournefortii plants at harvest when grown from four different seed collections, in four plots each, in two common gardens

Site	Seed collection	No. of plants**	Plant height (cm)	Mass of 1000 seeds (g)***	No. of seeds per plant
Katanning	Dalwallinu	30 ± 3	45 ± 3	1·26 ± 0·012	500 ± 110
	Merredin	38 ± 3	46 ± 2	1·25 ± 0·016	300 ± 30
	Morawa	33 ± 7	44 ± 3	1·21 ± 0·014	400 ± 60
	Perth	33 ± 4	43 ± 3	1·27 ± 0·018	200 ± 90
	Mean	33 ± 2	45 ± 1	1·25 ± 0·012	400 ± 50
Perth	Dalwallinu	26 ± 2	41 ± 3	1·36 ± 0·024	600 ± 120
	Merredin	25 ± 2	42 ± 2	1·46 ± 0·025	300 ± 20
	Morawa	26 ± 0	44 ± 2	1·35 ± 0·014	400 ± 90
	Perth	27 ± 2	40 ± 2	1·41 ± 0·016	300 ± 60
	Mean	26 ± 1	42 ± 1	1·40 ± 0·019	400 ± 40

Significant differences between site means at P ≤ 0·01 and 0·001 are indicated by ** and ***, respectively.