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Vol. 16—1962 - NorthEastern Weed Science Society

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354<br />

"<br />

Cultivated<br />

Untreated<br />

'1'81)1.4., !'re.E ..... tlCeWe.d;;Colll.. ol in Corn jO;<br />

Iti:!ltKa1k,"n11n!",: 1<br />

Control<br />

Control<br />

.... 'ti~.IA'<br />

, (Ac"tiiir·'<br />

.T'<br />

2"<br />

4,<br />

(3 cul~vations)<br />

Percent:.weed Control<br />

3 WkttI ,; 5 lns.e•<br />

81:-vs: .~ 56<br />

90"--" .. 84<br />

99 ex.o 90<br />

......-<br />

\l\., ~ ,_<br />

o )L.:~ 0<br />

Yield<br />

, ',Bu,s'A<br />

:,." 7<br />

··.~',94:~,::;,·.:<br />

Joll<br />

101<br />

'62<br />

Clay :l,oam. Three replica~tons • weed species: annual lI1Orad.ng<br />

glory, smartweed, velvet leaf and Canada thistle.<br />

Table 5.<br />

Material<br />

Herbicide 326<br />

" .<br />

"<br />

Hoed Check' .<br />

Untreated Control .<br />

Pre·Emergence <strong>Weed</strong> Control in Corn' "<br />

Du POnt WeaESh Bra 1;:!fm18rk,Delaware :,l',iC.'<br />

Rat~;Lb./A<br />

(Active)<br />

0.75<br />

:t-&Q'<br />

3.;QQ,<br />

:"~;:Y,·<br />

'L"<br />

Percent ~ ,Control· .; r~j.;<br />

Aftg',§"Weeks .Yiilld<br />

Grasses Broadleaves Bu./A<br />

96 100 90 .<br />

,•.99 . o'.lQO ..89<br />

100',8,.' .100 84<br />

9"595 80<br />

,0 ~. 0 42<br />

" "'i ;.'-. :1\• , _' ..<br />

l(eyport;sil~,loam. Three-replications. ,:-Jiee.d'ispecies: c~_._<br />

grass, rSg'<strong>Weed</strong>,smartweed, pigweed,' Japanese"millet and rape.<br />

Material<br />

Herbicicl.'<br />

"<br />

"Ii<br />

Table 6.<br />

3.U:<br />

Hoed Check<br />

Untreated Control<br />

0(,.:.<br />

Pre·Emergence ~ed Cont:IrQ1:in Corn<br />

Du Pont Research Farm· Raleigh, N.C.<br />

Percent 1o1eedControl<br />

After 4 ~eeks<br />

G Sl~.~~" J92,<br />

.J,' .~:: 98<br />

,

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