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Vol. 16—1962 - NorthEastern Weed Science Society

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.s<br />

....<br />

__<br />

Table 7. Pre-Emel'ae~e<strong>Weed</strong> Coner.lin Soybeans<br />

Van Wert, Ohio<br />

355<br />

Rat~ Lb./A<br />

Percent <strong>Weed</strong> Control<br />

Material<br />

(Abttve)<br />

, 4 Wks. 6 Wks.<br />

Herbicide 326<br />

1.0<br />

66 73<br />

"<br />

2.0<br />

97 96<br />

4.0<br />

99 97<br />

Untreated Control<br />

o :0<br />

I<br />

Brookston clay loam. Three replications .-<strong>Weed</strong> species: fo*tall,<br />

buttonweed, smartweed, bamya.rd grass, raS.ed and pigweed. So<br />

injury to soybeans.<br />

" .: .<br />

Table 8. Pre-Emergence <strong>Weed</strong> Cont~ in Soybeans<br />

Du Pont ~esearch Farm - Newark, Delaware<br />

Material<br />

Herbicide 326<br />

"<br />

Hoed Check<br />

Untreated Control<br />

Rate Lb./A<br />

(ActiVer<br />

0.5<br />

1.0<br />

1.5<br />

Percent<br />

After<br />

Grasses<br />

W8edControl<br />

4 Weeks<br />

Broadleaves<br />

88 93<br />

90 95<br />

95 96<br />

98 98<br />

o . 0<br />

Yield<br />

BU.,A<br />

20<br />

32<br />

32<br />

28<br />

9<br />

Keyport sllt loam. Three replications. <strong>Weed</strong> species: crabgrass,<br />

Japanese millet, rape, pigweed~ -horsenettle and purslane.<br />

Material<br />

Herbicide 326<br />

"<br />

" "<br />

Untreated<br />

Table 9. Pre-Emergence <strong>Weed</strong> COfltrol in Soybeans<br />

Du Pont~search Farm -Raleigh. N.C.<br />

Control<br />

Rate Lb./A<br />

(AE!!ve 1<br />

1.0<br />

1.5<br />

3.0<br />

rcent<br />

<strong>Weed</strong> Control<br />

3-1' ~:W1ts 5-1/2 Wks.<br />

47<br />

90 03<br />

99 97<br />

100 99 ...<br />

Norfolk sandy lo~m. 'Three repl,ications., ,~9y,~eans planted 1-1/2<br />

inches deep. <strong>Weed</strong> species: crabgrass, foxtail, pigweed, lambs-<br />

_ ....... _ ... _ __ . ..2 __ .I ~<br />

...~_ ~_.1<br />

__ ~<br />

'L. _

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