Rate and Timing Effects of Growth Regulating Herbicides Applications on Grain Sorghum (Sorghum bicolor) Growth and Yield

Table 3

Stunting from POST applications of 2,4-D and dicamba as affected by herbicide rate in 2014 at Rocky Mount and Kinston, North Carolina.

Herbicide; g ae ha^−1	Application; timing; cm	Stunting
		7 DAA	21 DAA	35 DAA
		%
2,4-D 100	20	2	0	0
	35	3	0	0
	45	2	0	0
	55	0	0	0
	65	0	0	0
2,4-D 220	20	7	1	0
	35	8	3	0
	45	2	1	0
	55	0	0	0
	65	0	0	0
2,4-D 330	20	11	5	1
	35	12	7	2
	45	6	2	0
	55	2	0	0
	65	0	0	0
Dicamba	20	12	3	0
	35	17	7	2
	45	10	4	2
	55	6	2	1
	65	3	1	0

Means within a column followed by the same letters are not different according to Fisher’s protected LSD test at .
DAA, days after application.