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Vol. 16—1962 - NorthEastern Weed Science Society

Vol. 16—1962 - NorthEastern Weed Science Society

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496<br />

D±!3pa,~n~ Resul te)I?<br />

.,l-ta,terials!, rates and percent crabgI'E\ss,~1}ro1 for bothtE3st areas<br />

are shown in Table~. A h1ghe~ 1MI of control' _ obtlt1nEldonArea 2 1IIith<br />

the exoeption of 7 of 28 trea'bDentl, 4 of whioh gave the best oontrol in the<br />

study (95 peroent or better). A higher level of control on Area 2 due to<br />

pe:nnanent, turfcompetitionto~p'ass germina¥:l.~ ,:wpJ,1ldprobab~have resul<br />

~d :11'the col.der~ wet soil?ot1d:1 tions had ~,~ ~ther delayed ge~tion<br />

on this area •. Delayed germina'tL0nand loss Of~:t1ve toxioiW over:t;bne<br />

oould be interpreted as the explanation for ~o:wet,[~:vels of control in~ral<br />

for some of the materiab. ' ,'t.!!) " , '<br />

U-4513 was found to betc:nc to Pea ~&nd resulted in almost<br />

oomplete el.1Jninationof' this species on Area-I""'6Y.Junel. Consequent1:Y',<br />

with little turf compe'tition the'tj,;,45:J3plots, hEid>J&"l:iigher level of crabpss<br />

inf'estst.i

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