Vol. 16—1962 - NorthEastern Weed Science Society

388
amo~~s.ofte"" :re'I,\Ui~~~om ~!~~~~P.~Y 'pilot, P~t,,~:Pl\' We Mted fz:~
these, testa~p~~(:~tiO~l'.~hat t~e b~~~,~~~c:~It.)(.c:;:Mqlf .v~,~i~~m\Yi904-:,
re'l,\l~s,~, ,','I'b,ts~eVel~ed i",to a1-';~~ 9~r;e.'pJ).~ClJup,~qB-J;~m ~ follo~~.. ,
year. " ,1 .e: "',, ""l;:, ~:;iwd.rc':i ';, ." "\,
" 'i ./1". '~ ~_'"" ,"._ ,;'flllIj'.)! j,',. (,"'::, "en,9d: ~~:- ::,,,., :J-l'~ '?i Ị
Our first use of CMU as our principal control che,w~"l'llas 4~ne,~, ..
conjunction with the same aromatic oil previously tried, except that it was
further fortified with Z,4-D. The oil "I'as ..ppll~d, ~",~. rate of 2.0 aa~lens
pet a~re, o~e ,galt~n oI'Z; 4-0,p'~i~r'~I'j:.~d 'tAe',~¢~l!';",~' vM~~ in ~,t•.·,ra~ "
of applica~io~. T~, ci~sai~ .of:C~'tL}f~tt~~:(r~)I~ 10,!,~drZO po~,~\a~r a~Jl~' ,
This .e~~e~:nt~ation '-~.'J ~~lec.ted'\).ydl1)e.•~v~ti,on.9t~M~Wt, p1,o~... ani;l,wit~,~...
sidera!lon ~t.the 4e~~itY; of ~z:o~tR:A:;t~js}r~at~R~rJ=,I,a.J?p'li~.d,earlY ~JjUM,r.
The ~n~tia1 top ~mr ~ t~~ ~l1'wa~"V$l,rl.:iOQd, "a'.,I1~""l,s ~d. ra~~8.l1 ~or~.d.r9~ .
very favorably; ~n·tri.~,;mittl.Di t~•. ".lf~e~Hn,tq. thA;tf:PY-!"Y'{eexpe,rien~AA:,~
beat control'l:hat we ~ver had - .~,~~, :~er~ effe,ctlr,jlcli0~trqlled, ev"n J
t~Jllhe
i;liffic~lt bouncing bet. Gran ... ,were ~•• Q contro\\O~tJl.~lfCfl~t ~n,."oe u~a"'t
continue. t6 be a p~~blein to u.,') ..~jf~,'our ~~~~t~.~ PrjpIl4.· •.· .~ ,. ,
, " 'r~e tr~at~~nt~at IhaY(Q~~e~lLbOv~:~~; ~rsjjeu.~~~f~,J1l1.ve ,~~~cs-,
for the,lJu't t~w ye~~ejand wa.,:':*'~d}I\£llyear· ..•9u~rtC~tro',h,a,...beeno9.7 hrr
served by otane ou~.t'd.e our Cotrl1>anl:.~~d: i~~C;i:.e;P!"'fa, i1?eini,good. W'~j;,'
8 .. ~~t.wi. t.~l'.n.. 0.. l1t~.~r.II..Y..p..au~.~~. r....
' ,,
~~ L '.'
have ver Y.li;tt1e,.b. 011.*,.,.Cift.
?f.,i.1. k.••.. weed c..on.tin,u.
to growbuHHs .tunted'and doe~ DotCh~'adup. Ji~~~r~.~t;lDOW h~~,e~pql~ ,
of horsetail although we are hopefut tttat 'the ~h~ft,1il:'tt ~eveJ1tua~l! g~t d,~~:
to these roots too. . ..,l) . ,
'C~Udoeiinot:kfiep seve~"t '~Cie:. of81'a8i.n~1it of' ~esp~a.y p~t.t~.r~
in theprobletti'a'rell that. ImefttlBliei£'" Soil'in tbi •• :fxijo~lle 'area does ·not,·1.
retab, the .tntlenti'ch.m'ica1' DeW~ai s'u'rface a.utMie'\\hime to.now ¥ttlon:
on the roote of' th4f'1"••e. ,a1thJulh'lt'd6'eske~p' do.jft·tli~gene'ral\V.ed'ptob~
1em within the.pray ~elrn; 'rMi yjar -.\>etreated 18is !itob\~ma.rea dilff,r - '
ent than the :i'&stOf·Our 1ineil,'trj{ij1iodium 'trl:cblt?l'~cC!ta~e it .ixpol1nde.'p.~
galloll. "dUate'd 4inwater.. I bavewatafie'd tbb al'eacl'olely attdIatrl.• ttlih~"':"
fu1 that we .will fhtcfw()me .ris\Wl"tb.l wiUbe' ec-onb1mc'allyleaiibl&; I Seve....i'
::~e::~~:::n~~a~~a:~~:~~il~:et::fct*i:~~;~r::~tia:\i{~':~D~ ;
prod\icnt\aH"~d;lt!t~~t' iii thi~."a.-. t!~:.an.~... ~t.t8.:.~tim~t,i~~.,.:eff~c..tiV.·,e'~it..~~.F.~J.'
'II.:.'."
test plot v: We 'HtJPew.'Can get a fait'fntr tu'tof thi,_ ri\ll~rial thi. comins~",
but, at the prh'ent tlme, it iandti:trifime'rd ..ttyani~te. :. " .. :, _',
; -';- '-,'. .: ,_,,~>1 ",'?' ~:.J;I;', .;~').: ;.:",-, • ',1 • ,11..:'.',
OurGomp.1lYri~eived scririe tjifiblh:ity in t95lcJ~~D'~e J'Clinedwitla: 1 W.'
DuPont ComPlLny in a teet applic~!i~n of d~y cbe~i~ale_ ffo.~ II.he1iC,op~t· i
Dybar Ferlu1"okt, i1lpeU~tform, Wi. kfepoette d o,"er .:1feU'mt1. , uedpn ot ()_~!
raildld It Ift-ate'of Sa'pOUnds peraere' mUe, aM'edai't~c!to'aboutat6;)f()Dl,!q
wide area beneath our:'pole' line. i i 'Thill wasapp 1ted. ijf~Ch of,ttiat ,year,' ... ~ ,
we had~l()\ihibrmalrai'rdal1 until'k80Ut'ih June; TWlotrtlbalgrow'tband"''1'Ii .
',,( .i . • Of'" ": ',,'j" d" .' J '10 ::,'1,., '. '. ,- 1 .:; • :'r,.)'., t ' "
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