Assessment of herbicides for selectively controlling broom (Cytisus scoparius) growing with radiata pine (Pinus radiata) in New Zealand

New Zealand Journal of Forestry Science

Table 4 Effect of plant age at treatment, herbicide rates and their interactions on injury ratings of broom 179 days after treatment

Herbicide code	Age		Rate		Age × rate
Herbicide code	^aF	P	F	P	F	P
Clo/pic	2.29_(2.21,9.26)	0.1536	22.80_(2.72,9.26)	0.0002	0.88_(4.7,9.26)	0.5228
Clo/tric	5.86_(2.61,6.56)	0.0302	24.11_(2.87,6.56)	0.0007	0.72_(4.39,6.56)	0.6149
Cpat	2.87_(2.4,4.65)	0.1527	23.92_(2.3,4.65)	0.0033	1.04_(3.38,4.65)	0.4646
Fluro	2.23_(2.11,8.46)	0.1658	17.65_(2.29,8.46)	0.0008	1.11_(4.31,8.46)	0.4157
Terbu	2.96_(2.4,4.75)	0.1442	8.70_(2.1,4.75)	0.0254	1.05_(3.83,4.75)	0.4673
Hexa	1.04_(2.2,10)	0.3937	19.01_(2.51,10)	0.0003	1.58_(4.75,10)	0.2518

^aF test with degrees of freedom in brackets. Values in italics indicate statistically significant effects at P < 0.05