Vol. 16—1962 - NorthEastern Weed Science Society

I. Average tUrf scores- of three grasses seeded at intervals after the application of herbicides to. the
seedbed: first observations.
~
Triflura1in 2.0
Trif1uralin • 2.0
Dipropalin 2.0
Dipropalin 2.0
Dipropalin 2.0
Diphenatrile 11.5
Bandane (E.C.) 4#/9al.
Bandane (E.C.)., ~,4#lgiJ,t
Bandane (Verm.l .' 7.5';
Bandane (Verm.)· 7.~
,:c
Bandane (Clay) '.' 7.5
Bandane (Clay 7.5
Bandane & Chlordane 10.0
Bandane &Chlordane 10.0
Bandane & Chlordane ulO.O
Dactha1 2.3
Dactha1 .' ,2.3,
Dacthal "~ '!'., ~~ S;l.!f
Calcium methy1arsonate '*'.'6.0
~. c,
Calcium propyl arsonate '18.0
Calcium propyl arsonate 12.5
Check
tSO/5%
2
4
2
4
8
30
20
40
20;
40
20
4(,
20
30
40
10
20:·
10.. t'c
50
'40
o
o
17
17
3
20
7
3
:.37
~20
63
40
63
47
33
3
, ,,3
~:t7
80
13
100
17
3 . 10
o 3
27 50
23 43
7 23
30 63
13,. 27
3 23
50, 57
m ?37
57 60
27 47
67 77*
33
23
57
. 53
20 43
~'.-: .~
fb ':)it7
77* 87*
90* 83*
'100 93
24 20
3
o
20
20
3
57
50
:30
33
'27
63
37
57
37
27
1'0
•. 0..3
,,', °0
7 40
o 17
30 70
13 63
27 60
43 83*
50 73
~ .60
4b ~·,·73,
2~ . i1'
63Ti
40 63
70 83*
47 73
33 60
33' '67.
l~ "Qn
9'-'-~
.93* 96*c93*
97* 97* 90*
97 90 100
16 26 19
3 7 17 17
o 0 10 7
20 30,73 53
13 7 53 30
o 3 17 7
57 87* ~7* 83*
43.~ 77* 77
.io 2,32i iC\"
:3l!- 43,63
'13:'~
17 17, 33·· 27"
40 6083 67'
20 17 23 3
77* 53 90* 77
40 43 60 57
17 ,'23 37 33"
o -2043 30
;i,-. '.- ~,_- :.+~ :', ~...l -' .:..... :-~
::'
.~. h ,~
.j) ::.) "'-+ ...' '--:
u
83*
n
100
20
20
10
60
20
20
90*
~
23
7.'D
Xl
70.
33
93*
70
4-7
41
1&
13
97*
97*
97
23
43
20
77*
73*
40
93*
90*
67
80*
57
73*
53
80*
67
63
73*
30
40
83*
97*
90
21
l