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Vol. 16—1962 - NorthEastern Weed Science Society

Vol. 16—1962 - NorthEastern Weed Science Society

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'\.......-<br />

TABLE2. Ratings of Nutgra~s Control and yield 01;,corn for 1959.<br />

Rate<br />

Date ~tin,g * yield<br />

Treatment lb!l£acre time ~ ~lO/a Bu/acre<br />

EPIC 4 Pre-plant 9 8 0 110<br />

EPTC 6 ,ire-plant 9 10 2 92<br />

.................. ~~~..,••.•.••......•. ,•...•......•...<br />

EPIC 4 h.-em 3 2 0 108<br />

EPIC 6 Pre-em 3 1 0 102<br />

•••••••••••••••••• ;~_,J ••••••••••••••••• i ••••••••••••••<br />

Atrazine 2 J'-=-e-em 3 5 2 110<br />

Atrazine 4 }I;e-em 4 8 7 103<br />

Atrazine 8 Pre-em 5 9, 8 112<br />

•••••••••••••••••••••• I.e' I,' ••••••••••• • ,e .•••••••••• I ••••<br />

Atrazine 4 Post-em 9 6 99<br />

Atrazfne 8 Post-em 10 10 104<br />

Check 0 0 0 107<br />

•.323<br />

* Ratings on a scale of 0 . no control. 10 • complete kill<br />

TABLE3. Ratings of Nutgrass control and yield of corn for pre-planting<br />

and pre-emergence treatments in 1960.<br />

Rate Date of Rating * yield<br />

Treatment lbs/acre Time 6/22 us 10/6 bu/acre<br />

EPIC 3 Pre-plnnt 7 5 4 116<br />

EPIC 6 Pre-plant 6 3 3 110<br />

·.....................................................<br />

R*1607 3 Pre-plant 7 7 5 102<br />

R*1607 6 Pre-plant 4 2 4 113<br />

·.....................................................<br />

R-2060 3 Pre-plant 2 0 1 94<br />

R-2060 6 Pre-plant 5 4 5 111<br />

·...................<br />

,.....................................<br />

Atrazine 3 Pre-em 6 6 5 106<br />

Atrazine 6.5 Pre::'em 7 8 9 104<br />

Atrazine 9.5 Pre-em 9 9,; 9 119<br />

r.h .. r1, n n n nn

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