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

148 SpinaCh wasplanted withan8-row 0~.-c1al seeder,1nd'1­ vidual rowlB.,&paced12 inohea':apa%'t{ on A~t 30, September 2, and Septemper 5, giving plantings of 1, 4, and 7 days after herbioidal applloaUons, respectively. Eaoh pkn,ting consisted of two or thr~e drill strips aoross the plots. Brior to eaoh plant·,· ing, the area was reworked with a Meeker harrow in one direoticn aoross the plots., After _ch;planting;an_~valent o.f t-1nch of rain was applied to tbe area:- ,'seeded.. Weed~on'troJ;,and crop~njury rat1ng3',~ made on sep~ 28 and Ootbber '18' using the fl.-cale 0 to' 10~~re 0 • no eft.c~~. 10 lit stand Or vigor reduced leO per oent,.'!';:. ':.r: • .j. Result..-and D1.souss1!>ft': . , .,; .. c.; , In ta'Ples 1, 2, and 3 ..a:re: presenteds~riflls of weed oo».t1'Ol and spinaDb 1nJ1.Wf for the. plantings madEt:L-.;4, and 7 days, ~peoti'Vely. atterapplioatlonaoithe th.ree f~~tions of. Til~. From these data it oan be seen that the planting made soon after herb~oidal appliaat~on8 was relatively safe for spinaoh and that bette*, than adequate 'weecroontrol. resuJ.t.e. d.. It 1s als.o evident that 9V.drall weed eont~iJ; was 1mprove~': 'ldth oorresponding deoreases ..in' spinach injury, ,Jgy. delayins sp.~qh planting. ..~ was espeo'1~lly~true for the two exper1me.pta-kf,QI'II\ulat1ons wi~,the hydrooarboi'loarr1ers. Therecwas a slight ~;tlease in broadl.,.;ved weed cont~lw1th the lower·nJ;te of oo~o!al Tll~ in th8)p;la.nting made '7 days aft.erappl1cation. , There .W4. a similar· trend: with regard tograsB .;control ,; ~4tr i this was-:~ot signifioant. The experimental formulations were Sl1~h~lysuperior t~,~~meroial Tillam with regard to weed oontrol and orop safety. The formu1ati~ 'Containing thena~hthenio hYdr9~~bon fraotion was slightly m9re effeotive and se,fer than the,iforlnulation Qont!-1n1l;1g the paraffinio hydrooltXlbon,fract10n., ... ' ";~' .. Allf~rmulations of Til~ exh1bited~sidual herb101~j[:~ actiy1tyof long duration •. -Tbiswas mar. j)~l'lounoed for thepsses than for the broadleavedweeds •.. Gelierally",the two experim~~l fOrmulati~8 effected slight:ly longeracti~1ty than oamm.rcial·T11­ lam.' Agai~. the toJ;'ttlulat10lt' containing the" paphthenio 1'raot1on was slightly nt.t'esuper10r to' the.:f'ormulation·'W:1th the paraffini~oarrier. .-+ '. '. ~ -: .-.

Stulllll&ry A study was lh1tlatedto evaluate th.)i8t:t'ects on spinach and weeds ,of sevettal planting dateSf"Ollowin£ripre~planting applications of three formulations of Tillam. Two exper1m&ntal formulations, ,one ,conta1n1nga paratfj.n1.c bYQ.%'

Stulllll&ry<br />

A study was lh1tlatedto evaluate th.)i8t:t'ects on spinach and<br />

weeds ,of sevettal planting dateSf"Ollowin£ripre~planting applications<br />

of three formulations of Tillam. Two exper1m&ntal formulations,<br />

,one ,conta1n1nga paratfj.n1.c bYQ.%'

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