Vol. 16—1962 - NorthEastern Weed Science Society

Table 1•. Wa. control, stand of plants and number and weight of marketable
ears of sweet corn under chemical herbicide treatments.
AVERAGE PERPLOṬ
Wt.of
Active Rate *W... d Stand No.of MItt.
Per Acre Application Daya Control of MItt. Ears
Chemical 1b,. from Plant ina (1-10) P1antl Ear. lb ••
Nothing -- -- 8.3 53.7 36.5 23.2
TU1am 4 Soil Inc. 0 4.0 53.0 42.3 31.4
" 6 " " 0 2.7 55.5 40.3 29.8
O.M. 1306 10 Pll'.-emergence 2 4.8 51.0 . 38.5 29.2
" 15 "
2 ".3.7 50.3 43.0 ·31.9
U-4513 2 2 5.5 53.7 39.5 24.9
" 3
2 4.0 52.5 30.7 20.2
CP 17029 3 " 2 •• 5 52.0 39.7 27.5
" 4\ 2 2.8 54.2 43.3 31.8
Casoron 3 2 5.0 53.0 40.5 27.7
2 4.2 52 5 38 5 29 1
RandoxT 10 2 3.7 54.3 43.0 36.8
" "
"
15 2 2.2 53.2 40.0 29.9
Randox 10 2 4.7 54.3 41.2 30.1
" 15 2 3.0 51.2 36.3 27.2
Nia. 2995 4 2 .. 3.8 . 50.0 40.3 30.8
" 6 2 2.8 50.3 41.3 n.1
Fa10n lOG 4 2 2.0 50.8 41.5 2'9.7
" 8 2 1.5 51.2 3•• 5 28.9
Palon 44E 4 2 2.7 53.8 39.7 29.3
" 6 2 2.3 51.0 40.7 28.0
DNBP(Premerge) 4 2 3.7 49.8 39.5 28.6
" 6 2 3.2 52.5 42.3 33.2
Atrazine + DNaP., 1 + 2 " 2 1.3 51.5 44.5 31.2
Simsaine 2 ." 2 5.2 53.8 41.3 27.5
Atrazine + S~azine 1 + 1 !me.rlence 17 1.0 54.2 46.8 36.6
Atrazine 2 17 1.0 53.8 45.0 35.4
" 1 17 1.0 53.5 45.0 35.3
Atrazine + Surfactant 1 + 8 17 1.0 53.7 44.8 34.4
2,4-D Amine \ "
17 4.5 52.0 45.5 33.4
II::
" 1 17 2 7 51 7 43.0 31.8
Herb. 326 2 17 1.2 53.2 42.7 32.4
" 3 17 1.0 51.2 39.5 27.3
Di1ll'.on 2 17 1.2 51.2 41.5 31.0
" 3 " 17 1.0 48.2 38.8 28.9
Least significant difference 5%
1%
*WeedControl 1-10: 1 Perfect WeedControl
10 Full WeedGrowth
115
1.6 N.S.D. 7.2 6.5
2.6 N.S.D. N.S.D. 8.S