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Vol. 16—1962 - NorthEastern Weed Science Society

Vol. 16—1962 - NorthEastern Weed Science Society

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150<br />

Table 1. The residual effects of several formulations of<br />

Tillam* applied as pre;..plartting treatments one day<br />

prior to spinach planting on weed;tcMtrPl and crop<br />

r injury .** Fo:mulationsappl1ed Augu~t 29 and spanach.,<br />

seeded August 30, 1961.<br />

Control l ,;.;<br />

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

Crop Injury<br />

Treatment Rate, Broadleaved Grassy- ;:, Stand 2 Vigor3<br />

Ib/A weeds weeds<br />

,Days after<br />

AppUcation<br />

30 50 30 50<br />

:-·if'<br />

-'30 50 30 .50<br />

Tillam 6E 3 6.8 1.0 . 8~3 8.5 0.5 0.5 0.5 0.0<br />

5 7.8 5.0 9.0 9.8 I.!? 1.5 1.3 0.5<br />

EAP 4160 4 3 7.1 1~5 9.4 7.0 '0.0 0.5 0.0 .0.0<br />

5 8.5 0.5 9.5 9.9 1.0 0.0 0.0 . 0.0<br />

EAP 4161 5 3 6.0 0.5 9.0 9.0 1.0 3.5 0.0 0.0<br />

5 9.5 7.3 9.8 9.7 ;.0.0 0.5 0.0 0.0<br />

* propyl atbYl-n-buty1thiolcarbamate<br />

** average of two replications<br />

l'Based on scale 0 to 10; 0 = no effect, 10 = stand an/or<br />

vigor reduced 100%<br />

2 Based on scale 0 to 10; 0 = no effect, 10 = stand reduced 100%<br />

3 Based on scale 0 to 10; 0 = no effect, 10 = complete kill<br />

4 Herbicide dissolved in a select hydrocarbon paraffin fraction<br />

above c l8<br />

5 Herbicide dissolved in a select hydrocarbon naphthenic fraction<br />

above C 18<br />

I

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