The Company of Biologists

Table 1.

Frequency of seedling phenotypes (%)

		Seedlings with root							Seedlings without root^{^†}
Parental genotype	n	Asymmetric dicot	Tricot	Fused	Monocot	+ Cotyledons	− Cotyledons	Total
iaa18-1/IAA18	1548	0.4	0.1	1.7	5.7	0.1	0	7.9
iaa18-1/IAA18^{^*}	2759	0.2	0.8	0.4	1.6	0.3	0	3.3
axr1/AXR1	854	0	0	0	0.1	0	0	0.1
iaa18-1/IAA18 axr1/AXR1^{^*}	901	0.4	0	2.1	13.5	9.8	0	25.8
tir1-1/tir1-1	1059	0	0	0	0	0	0	0
iaa18-1/IAA18 tir1/tir1^{^*}	728	0.7	1.4	0.4	1.9	2.6	0	7.0
mp-CSH1/MP	530	0	0	0	0	21.9	0	21.9
iaa18-1/IAA18 mp-CSH1/MP	1548	2.1	0.5	1.9	12.5	8.5	13.4	38.9
mp-CSH1/MP nph4-1/NPH4^{^*}	355	0	0	0	0	20.1	9.3	29.4
bdl/BDL	484	0	0	1.2	0	14.4	0	15.6
iaa18-1/IAA18 bdl/BDL^{^‡}	209	2.9	0	1.4	5.3	21.0	0	30.6
iaa18-1/IAA18 nph4-1/NPH4^{^*}	877	0.5	0.1	1.1	3.0	0	0	4.7

		Seedlings with root							Seedlings without root^{^†}
Parental genotype	n	Asymmetric dicot	Tricot	Fused	Monocot	+ Cotyledons	− Cotyledons	Total
iaa18-1/IAA18	1548	0.4	0.1	1.7	5.7	0.1	0	7.9
iaa18-1/IAA18^{^*}	2759	0.2	0.8	0.4	1.6	0.3	0	3.3
axr1/AXR1	854	0	0	0	0.1	0	0	0.1
iaa18-1/IAA18 axr1/AXR1^{^*}	901	0.4	0	2.1	13.5	9.8	0	25.8
tir1-1/tir1-1	1059	0	0	0	0	0	0	0
iaa18-1/IAA18 tir1/tir1^{^*}	728	0.7	1.4	0.4	1.9	2.6	0	7.0
mp-CSH1/MP	530	0	0	0	0	21.9	0	21.9
iaa18-1/IAA18 mp-CSH1/MP	1548	2.1	0.5	1.9	12.5	8.5	13.4	38.9
mp-CSH1/MP nph4-1/NPH4^{^*}	355	0	0	0	0	20.1	9.3	29.4
bdl/BDL	484	0	0	1.2	0	14.4	0	15.6
iaa18-1/IAA18 bdl/BDL^{^‡}	209	2.9	0	1.4	5.3	21.0	0	30.6
iaa18-1/IAA18 nph4-1/NPH4^{^*}	877	0.5	0.1	1.1	3.0	0	0	4.7

Mixed Landsberg/Columbia background.

Rootless seedlings were not scored for phyllotaxy defects other than absence of cotyledons.

For iaa18-1/IAA18 bdl/BDL, F1 seedlings were used, as double mutants could not be propagated.