Vol. 16—1962 - NorthEastern Weed Science Society

Vol. 16—1962 - NorthEastern Weed Science Society Vol. 16—1962 - NorthEastern Weed Science Society

08.06.2015 Views

',Weed 434 becauH ,~tlIt'~·, '1sUni1ii!lf\ Weuts~" ril.t~ ,eOziIplete'.'ffl~et, ere-tar ._~\W ~~&H(~11'dlf~i~ work.~~~' and~·;(;J.)iti;de '-1te~e4iJb 'W6fiod:'sUde~.M::f&.-'k:l1:t1ngd1~~:I . p1ne;1ttc~j ''bl\Us'theH_~be'Y:I;:;;­ ':,'1 C•.f ; :-\.J (1".:"\1;(' .' i::l i'c'l:lJt, , .'!,,··DII,· J :t)1.~,· I'. J.sC;,-l"·'·: 'rc , ~:: i_'1::_~,-j"1 ... ', ".;" , ,; . . ~. ... ..~;

: if.. . ' A Comparative Study of the AppUoatlon of Three Weed1c1des, Kurosal G, Kurosal 5L and a 2, 4-~E.~er to Three ~e~ 1n Long Pond, Dutc~,ss County, Npw ~ork. , .. "," 435 Made~ene E. P1eroe, Vas,ar College,Poug~eeps1e,'New York. t - . " , . ,I' " The purpose of th1s stu4Y.was to oomp~e the results of I the applioat10n of three w.~4191des upont.b,Jjee, separate plots, The weed1c1des were Kurosal G,Kurosal 5L, .~da 2, 4-D Ester, All were app11ed at the same concentration of act1ve 1ngred1ents, 2.2 ppm. In the early SUl11m"1'."frequentobIl,Fv,at10ns were made and records lteptnot onlYct, "tAe effect up0ltthe pondweeda, b.t also upon nekton, plankton".~ benthic or.l.ms. The duration of th1s study was from May jl ,~ October 4;~ +96~. '"',, I w1sh to thank Mr. warr-~ ~oKeon, alld;~ Kenneth W10h Qt the Poughkeeps1e otfice ort~! ,Ne'liYork 5,ta~ Conserva t10n ~, partmen t for the1;r .haLp 1n14h; ;f'1eld. Mr. 9.!tto Johnson again gave the use ot his boats tp.r'r~he season. :1)oW'Chemical Company suppl1ed the produots wh1ch wWe being stud~ed;and Vassar College provided a small e;~,ant tor oovering:.tudent assistance and transportat,1onexpenses.:; ,,',' • J J Cond1tions in Long Pond have been oal"efJ1J.ly descr1bed 1n detall 1n prev10us papers. (~1'rce1958, 195~f 1960, 1961)· Three exper1mental areas wf#'e~ staked ou t , , ,11'jo·~of" these were ],0­ ca ted wi th1n the shallow lj,ttoi'al zone (l ..

',<strong>Weed</strong><br />

434<br />

becauH ,~tlIt'~·, '1sUni1ii!lf\ Weuts~" ril.t~ ,eOziIplete'.'ffl~et,<br />

ere-tar ._~\W ~~&H(~11'dlf~i~ work.~~~'<br />

and~·;(;J.)iti;de '-1te~e4iJb 'W6fiod:'sUde~.M::f&.-'k:l1:t1ngd1~~:I<br />

. p1ne;1ttc~j ''bl\Us'theH_~be'Y:I;:;;­<br />

':,'1 C•.f ;<br />

:-\.J (1".:"\1;('<br />

.' i::l i'c'l:lJt,<br />

, .'!,,··DII,·<br />

J :t)1.~,·<br />

I'. J.sC;,-l"·'·:<br />

'rc<br />

,<br />

~:: i_'1::_~,-j"1<br />

... ', ".;" , ,;<br />

. . ~.<br />

... ..~;

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