Vol. 15—1961 - NorthEastern Weed Science Society

122.
Table 1. Weed control, plant stand ~d· weight of marketable snap
bean under various herbicide treatments.
AVERAGEPER PUYf
Chemical Active When Applied. Weed* Stand wt. of beans
Rate Days from. Controlr of in pods 1bs.
LAlbs. Seeding (1-10)· Plants
Nothing -- 8.2 108 5.8
°Eptc 6 -1· -1.3 115 5.6
~ " 9.1 1.0114 3.9
°2-2061 6 -1 1.2 10~ 5.4
" 9 -1 1.3 112 5.2
Fenac 1. ~ 2.5. 56 0
,"
n 12" 1 1.7 35 0
Amiben 4 1 1.2 111 5.7
" 6 1 . 1.5 113 4.7
cnc 6 1· 3.0 95 5.7
" ~. 1
Zytron ;.,' .l~v 1
2.8
2.7
80
106
5.3
6.9
" 18 1 1.5 113 6.4
Propazine (G30028) 2 1 1.8 3 0
" It 3 1 1.3 1 0
Atratone (G32293) 4 1 1.2 55 1.4
"
Trietazine
It
(G27901)
6
4
1
1
1.2
1.5
18
102
.4
3.7
" n 6 1 1.2 69 1.7
Hercules 7442 4 1 5.0 114 6.5
n n 6 1 3.7 111 5,4
CDEC(Vegadex) 6 1 7.2 116 6.9
"tt 9 1 4.8 116 5.9
NPA (Alanap 3) 8
1 2.3 52
.5
"It
12
1 1.8 45
..3
Dacta1 893 6 1 4.2 110 6.4
""
Niagara 5996
9
4
1
1
3 •3
2.8
105
88
5.9
5.6
6
1 1.2 25 1.9
"It
DNBP(Premerge)1Q%Gran.3 2 3.3 111 6.5
" " "6 2 2.2 99 4~2
DNBP(Premerge) 4 2 4.8 113 7.4
""
2,4-D (Amine)
8
1
2
2
3.7
5.5
115
112
6.6
4.2
,," 2 2 5.0 101 1.7
Least Significant Difference 5% 1.4 17 1.2
"" "1% 1.8 23 1.5
*Weed Control 1-10: 1 Perfect Weed Control: 10 Full I'l'CE~d Growth
°Soi1 incorporation prior to planting.