Vol. 15—1961 - NorthEastern Weed Science Society

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Table I.; Weed control plant stand and n1.unberand weight of marketable
ears of corn utJd.er chemical herbicide treatment.
.,
AVERAGEPER.PlOT
Chemical Active· WhenApplied Led* .Stand No. of wt. of
Rate D~.ys from Control of Hlrt. MIrt.
/A 1bs. Seeding (1-10)' Plants Ears EArS 1bs.
, N t l •..
. o .. ~:tng' 7:0-"55-· 40 -2:.9
Simadne 2 5 1.2 53 43 25.3
It
3 5 1,0 55 46 25.5
Atrazine 2 5 1.8 54 44 25.7
"
3 5 1.5 55 46 25.4
Dactha1 893 4 5 2.3 54 41 22.6
II It 6 5 3.2 55 41 23.3
Niagara 5996 2 5 5.5 54 38 20.3
It It 4 5 3.2 45 35 20..9
Fenac 2 5 3.0 56 44 22.0
4
"
5 1.8 54 36 19.5
Amiben 4 5 2.5 52 36 19,,6
II 6 5 2.0 55 37 19~1
Neburon 3 12 2.2 54 47 26",2
4i 12 1.2 52 44 25.3 .­
Benzac
"
1281 8 5 1.0 52 7 2~3
II tt 12 5 1.0 51 2 .8
CDAA-T(Randox T) 6 5 3.0 56 46 26,,0
I~ It 9 5 3.8 56 46
26~9
CDAA(aandox) 6 5 4.0 56 49 26.4
II II
9 5 2.3 55 46 26~9
Sima~ine 4G 2 5 1.0 56 49 20..2
It 4 5 1.0 55 49 2'7.7
"
Atrazine (G30027) 2 10 1.8 55 45 2t.4
It It
·3 10 1.5 55 48 27.5
2,4-D Granular 1~ 1 5 2.5 56 46 26~9
" "
2 5 2.3 52 40 2:1.8
Diuron 2 10 1.0 52 47 27.2
!I
3 10 1.2 53 43 24.1
DNBP(Premerge) 3 10 3.0 54 41 24.0
. I;
It
10 2.7 54 48 27.4
2,4-D (Amine) 4t 10 4.2 53 43 25.0
" "
1 10 3.0 55 44 24.5
Least Significant Difference 5% 1.2 4 7 4.7
n II
"
1% 1.6 5 9 6.2
*WeedControl 1-10: 1 Perfect Weed Control
10 Full Weed Growth
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