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

I 222 J;' .'; .. ~pl4ant;.,:lq .~. Vod_ lI c.d1W»tA; •• ~,.. oda~.Co aevlilllla!r injury and cleaChclue 'to weecl ;f.t~1IU14:UD~ .c,UQndlt \ aDel \ quart per 100 .quare feet. In the 1 quarC ~r 100 .quare feet ploc •. ,1, ..... t-.of-t:o.-pet. ........ vh1.ch we" • .u-aplaDCecl.¥fttA~-UH&1.WHk-weft!,-:':t.­ kUleq,,\lrr.~~•• ~.."""'''J\;.H.llr .. pl~Ced CWOCo four "eka ". 'anir·c\"ii(jiHlit"re tillecl Wuv.iJllY .tuDt~ b1 a ~ClIIIbI.._t1on of ~~~~~L'~!"" ant! "-l ~~~~~.' :;...:...._._...:... .. . it!!·, '£h~ '1>1~. ~~ted Wt~h ~~i07; '~F .10 ;~. per ach exhibitecl dlio~,;' be,t we~~tZ'C)l ~ the t~~e~, ~ta. bad very little or DO clamage.~ .en tnD.planted ont i:f~ :!lfeertreac.ent, Plot. treated witb C.~ ac8 pouncl, per aen hiId'800cI wead oooCl'Ol but .howecl 'ilOiiel'n~U!r~ot1iepetUD1~', '.(~.c.'" ..- .."-"-'-- _. .. ....._. ~';:;.~ ca,olrou~ 1i"rC.':a-1607. fill .... aDelVode~ vere appUed at th'ree raUi.-petUiiUII'-wre tranllp1alit~'oneach of f1i4iaaci,'fol1owing treatment), oile ct""cwo-cle1e~,.f~;cley~. one .ek. CWO"ek,. thl'l8e wek.. an~ four "ek,. . . . . . . ~-I'j. ; i '.. f ;. • petl~a"co~ld; .ately bc"-t&Ji,iailtecl 1~ the IPTC. 1-1'607 aad TU1.. ptOfi,-'·oi\e:lfat·U~;~r- tr.lltaiellt:~ nijil:i inth. caiOl'On~.at.cI plote' n~,:;~:' injureclbY the '.~icld•• · P~~"": in thie V9Z'lex treated plot' were' ... injuracl ~r t~a ~~cal if pl~nt,el ~tbin ~. fir,t two welt, follov1nl treetmeqt,~ iet~~' t~.n,pl~~*e4 l~ plo~•• ~owf.na poor .. ad control !8!!~~!~~~e~~,!C) ,e:verely."!ja~~·.by w.~:*d' c~.,..~.~~.~n.. '.' ... _ .... .. ·Eft!e~~i.a "'~cI control ~Jb:1f.ttl. ornO~,.. a to the petUD1a"r-r'; Pt.~D~' .:.'f 9...un4)n. P10tl tr ...".:ei' ..vl.:,.t.b ..I-l ..60! lit.:.. O'~~' per acre, Plotl t~.~ed ~~Ca~to~ at. 8 po~,"p.J\ a~re ba" _, ~control but .~.t~i~~-p~~~~ Iw!' 80ml 1Djud~l. ~)1e' btarbicicle •. .: ....~.'~_ .... :"·'S • f ,\ ~ ;:

l EVALUATIONOF THREEHERBICIDESONPnENNIALSANDANNUALS DALEV. swur 2 AlII) JOHNR. HAVIS 3 223 Production of fteld I~~ berbaceous orn_ntale iothe northea.t bas been handicapped by leck of.conomic.l weed c:ontrol practices. Recent. report..ussest that atiladne may bave".au.,. on perenniale (1) ~nd casaronon annuah.(2),'1eld trials "ue cpllducted at WaltlWa. Massachuseth, to ~va1uate .the •• two her~icid~~and CIPC on 22 peJ;'e~ia1e and 11 annuall(18' famiUes represented). .. MATERIALsANDMETHODS The plants

I<br />

222<br />

J;'<br />

.'; .. ~pl4ant;.,:lq .~. Vod_ lI c.d1W»tA; •• ~,.. oda~.Co aevlilllla!r<br />

injury and cleaChclue 'to weecl ;f.t~1IU14:UD~ .c,UQndlt \ aDel<br />

\ quart per 100 .quare feet. In the 1 quarC ~r 100 .quare feet ploc •. ,1,<br />

..... t-.of-t:o.-pet. ........ vh1.ch we" • .u-aplaDCecl.¥fttA~-UH&1.WHk-weft!,-:':t.­<br />

kUleq,,\lrr.~~•• ~.."""'''J\;.H.llr .. pl~Ced CWOCo four "eka ".<br />

'anir·c\"ii(jiHlit"re tillecl Wuv.iJllY .tuDt~ b1 a ~ClIIIbI.._t1on of<br />

~~~~~L'~!"" ant! "-l ~~~~~.' :;...:...._._...:... .. . it!!·,<br />

'£h~ '1>1~. ~~ted Wt~h ~~i07; '~F .10 ;~. per ach exhibitecl dlio~,;'<br />

be,t we~~tZ'C)l ~ the t~~e~, ~ta. bad very little or DO<br />

clamage.~ .en tnD.planted ont i:f~ :!lfeertreac.ent, Plot. treated<br />

witb C.~ ac8 pouncl, per aen hiId'800cI wead oooCl'Ol but .howecl<br />

'ilOiiel'n~U!r~ot1iepetUD1~', '.(~.c.'" ..- .."-"-'-- _. .. ....._. ~';:;.~<br />

ca,olrou~ 1i"rC.':a-1607. fill .... aDelVode~ vere appUed at th'ree<br />

raUi.-petUiiUII'-wre tranllp1alit~'oneach of f1i4iaaci,'fol1owing<br />

treatment), oile ct""cwo-cle1e~,.f~;cley~. one .ek. CWO"ek,. thl'l8e<br />

wek.. an~ four "ek,. . . . . . .<br />

~-I'j. ; i '.. f ;. •<br />

petl~a"co~ld; .ately bc"-t&Ji,iailtecl 1~ the IPTC. 1-1'607 aad TU1..<br />

ptOfi,-'·oi\e:lfat·U~;~r- tr.lltaiellt:~ nijil:i inth. caiOl'On~.at.cI plote' n~,:;~:'<br />

injureclbY the '.~icld•• · P~~"": in thie V9Z'lex treated plot' were' ...<br />

injuracl ~r t~a ~~cal if pl~nt,el ~tbin ~. fir,t two welt, follov1nl<br />

treetmeqt,~ iet~~' t~.n,pl~~*e4 l~ plo~•• ~owf.na poor .. ad control<br />

!8!!~~!~~~e~~,!C) ,e:verely."!ja~~·.by w.~:*d' c~.,..~.~~.~n.. '.' ... _ ....<br />

.. ·Eft!e~~i.a "'~cI control ~Jb:1f.ttl. ornO~,.. a to the petUD1a"r-r';<br />

Pt.~D~' .:.'f 9...un4)n. P10tl tr ...".:ei' ..vl.:,.t.b ..I-l ..60! lit.:.. O'~~' per acre, Plotl<br />

t~.~ed ~~Ca~to~ at. 8 po~,"p.J\ a~re ba" _, ~control but<br />

.~.t~i~~-p~~~~ Iw!' 80ml 1Djud~l. ~)1e' btarbicicle •. .: ....~.'~_ ....<br />

:"·'S<br />

• f<br />

,\<br />

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