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

Table 4

Lodging from POST applications of 2,4-D and dicamba as affected by application timing in 2014 at Rocky Mount and Kinston, North Carolina.

Application; timing; cm	Herbicide; g ae ha^−1	Lodging
		7 DAA	21 DAA	35 DAA	Harvest
		%
20	2,4-D 100	0	0	2	1
	2,4-D 220	0	3	3	0
	2,4-D 330	1	4	6	2
	Dicamba	1	3	7a	2
35	2,4-D 100	0	2	3	2
	2,4-D 220	0	3	5	1
	2,4-D 330	0	6	13	4
	Dicamba	2	4	15	3
45	2,4-D 100	0	3	3	1
	2,4-D 220	0	5	6	1
	2,4-D 330	2	6	15	6
	Dicamba	3	8	17	5
55	2,4-D 100	0	2	7	1
	2,4-D 220	2	4	10	2
	2,4-D 330	4	7	21	6
	Dicamba	6	13	25	8
65	2,4-D 100	0	5	8	2
	2,4-D 220	2	5	10	2
	2,4-D 330	5	9	19	7
	Dicamba	6	12	21	13

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