Vol. 16â1962 - NorthEastern Weed Science Society

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372.,· ~~;~li~~aW::ie:t:d ~=Q~r~~~=;::~~~~;O~e:l:1 made on June 29 and weed controls and crop injury rat1ngs were J made on July 5 and July 17 for., barley anci .at l respectively. Plots were harvested on July 10 and July-l?1 respectively, tor ~~n... ;.'. :~.·e:~~f.. ~¥~.a·..~e'~t..... se~..~i.iQ~....a~..~.~.. d,r.· ;:t~.~.' .. !i··r.:. t 1 .f.;omba.::.:n(:!R ..... :..." were .,~l~ctl!CL~t%'8.ndoml~.· ,itbreS1)8d~C~ldi,';~d, wej,Sheds ' an4.i ' the- 'data~ convEtrted to we1 ; ~el' thousa~" ,zonels., ,"'. ::1,,"' .! .:_ • '_ .' '.- '-~l j. : ..• ~~,- '. •. '. -..> " . • , . . Al1~datawere ~nalyZ!~[i~rSP11t piot.:~~ranQomizedbJ.o.~ designs •. ":::':Lc'. . ,·:n~Wheat was·riijt ttfected by aHt·t·ormtilat10n.' '.1'.neee data were in agreement w1t!l~~1er Ob~~~10ns in whioh barley exhibited greater abnol'!ll8.1t hre8p0n8~ from the new formulations than .f~~the OOIJ1lDe~o1a.;Lf.p.rm\.\..la~1.9.,~, A+,l!!ilv.ex.. ~.. The, '':l fomu](a.-t1o~ ()'?ll. ~1tU..ne; ..the... '~.,1ijW., .....brea~n..g' ~.'..... ~~.n..et ..f~otep,. ··.·"Ia::. grea~r abnormal SI"o\ft~~eson 'dog ~i1: ah4,.barleY than, the f0z!tl\ulat-,!;oh oonta1n1n~' '~: tast~br~~~j~II1U;I$1'on. ..:1. ~ ,.,. 't '; ." ..,~ . ":,' • :'~'.I'.J ..... ,.- : :,·',~ ..;... d'" :~, ' ... ,' , . .r:.- at1:Otl~dri' ·~1l'~.··~mat,1oh~ .,p¥t vat10ns are eV1~...ent. Whep c~.a:J;'e,d. t,o.....t.h~ c;1;~~ate...d. o.... ~eok .nQ ... _,:rate of anytormulat'1on effec~eg.''':ae;~t'ea~'e~..~,~~ ;n~:se-s inn1.\l!l1?e~ of barley t.LUera., "''llh$.'. nroi'tllU.,1.H. one. Y1ere'.:~, . p,.~.~~.mo.,t'e, 'e-.r.1t1.9~. ". Y.. (spUt plot--:Ul&1Y~18)1t·~.J~v:ldent,that.. '. 'I'1ere,%'~ater:~- ,o-reases·1'n' tiller tormat1GR tram tM t1t,O, 1'& ).Q,tiQnD.cont.:1~ng. the parafr1n1Gl·!'Z!8.ot1ons :'t~,; from the,:o. _, r~~al- rOrp1ulat~ow:. '... moreoverl····.the :~c.rease. wa8 l,sreater wi .. th....:.~h.r1"t).?:'mw.a.t~o..,n'..ce..Jjlt ..~~.-., ..r 1ng the fast-lWeak1ng emU.III.~..... n.'. ,.Th.ei.~h.~;~~b.n.."01'. tQrttl .. \lla.,.~~~. .x rate was 81gzU.t1cant • Genlftlly , d$cr.astti fb n~l:!ers, ot b~~ltti''' t-Uler.s~result.edas rate8f1ii.. Q~.ased. t.r 9m ..";lg tb... ·..'V.tt.pO.Und.' .•. ;.·'~.~.J.er' produot1on ..1ncl'eaaed With lntireas1ng ",te!,' i11Q.V~ 1/2 POUrid,~: i" Inoreaseswere, not as grat \ftth.thetormu ~~~t1 cOhtaln1nat~ fast-breaking emulsion. These data su~stan~~te obse~at10ns' made in the field. Alth0U$l\St:Uler1ng Wisalmost oompleted at time of hetb1c1clal·appl:tcaUon, tbehishHXoates of treatment retarded maj,n c~1m devel0P,mes)t-andt111erlng continued. This situation was not tl"ue .. ,tor'''lil'eat. Wb:eat was..'·8t.1l11n ..t*uUUe1'1n g .....at•.*.'. e.~) '1; ..·.·.he. ·t.,1me...1' ....:..... ·.'i~' . herbJ.cWlaJ.::iEl.pp11oat1on. 1f'ItoJI7 seen ,that 8;'11:.rates, 01' tl1e cQlieefomuIa"ilorilfl l·' generall~d.e';' -- creased tiller production. Furthermore I when tormulations were compared more olosely (split. plot analys1q) ;i.t was ev.14ent:t .... --tfte- the pl>e8~n~~tf~g~~.m,tta:s,t .~ ¥ ,
Heights of barley were significantly reduced by silvex containing the paraffinic carriers at rates of 1/2 and more. These formulations had no such effect on wheat. That the two experimentaitormulatiotls'bt silvex were more phytotoxic to barley than the-commercial fOZlDlulation is furthe~ evidenced by the yield data, Notwithstanding that commercial silvex reduced yields, the reduotions were not as great as those from the two experimental formulations. Rates above 1/4 pound of all preparations significantly reduced barley ~ ields. On the other hand, wheat yields were not reduce4 significantly be-, low the check by any rate or formulation. From the data on kernel weights it can be seen that this" quantitative response was somewhat related to tiller formation. Greater decreases in kernel weight resulted from the formulat1Pns containing the paraffinic fractions than from the commercial formulation. This decrease was greatest with the formulation containing the fast-breaking emulsion. The same was true for tiller formation. The interaction of formulation x rate was also statistically significant for kernel weights. As with tiller production, increas£s in rate of all formulations effected corresponding increases in kernel weight. The reverse, relationship of tillers to kernel weight might be suspected. The explanation is easily made. Since the high rates of herbi~ cides tended to check the development of the main culms and often prevented the formation of heads, the ones that did form were larger in size and weight. It is known that checking the development of main culms results in the format~on of more tillers. No such response or relationship was noted on wheat. 373 From the data and discussion it can be seen that herbicidal" activity and general phytotoxicity of silvex was greatly enhanced by using paraffLnic fractions, in aqueous dispersions, as carriers for this herbicide. Of the two experimental formulations, the one containing the slow-breaking emulsion was slightly more effective on dog fennel than the one containing the fast-breaking emulsion. The same generally was true with regard to their effects on certain yield components of small grains. There were instances when the reverse was noted. Additional work is needed to determine whether the latter is mo'reapparent than real. Summary (1) Two formulations of silvex using high boiling paraff~c fractions as carriers were compared tQ"a commercially available formulation of silvex for dog fennel control in barley and Wheat. (2) In addition to weed contrOl, the effects of all herbicidal treatments on tiller production, plant heights, yield, and kernel weights were made. (3) The two experimental formulations were more phytotOXic to dog fennel and on certain Yiel~ c?~ponents of the small grains
Page 1 and 2:
PRESENTANDFUTtJU OF AQUATIC'. WIlD
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Complete reports from 12 Nor~heaste
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The reawakening in aquatic weed con
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,10.1ng -2,4.,;iD (19), 2,4~5.T (4)
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9 The Role of the State in Res idue
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,., 1'4 keep developmental work in
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In addition to a review of field an
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State workers have to consider resi
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The vigorous regrowth of quackgrass
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during t,he sUllllller.is l,ower ll
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5. llslapon and other chlorine,ted
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23 • ·i INTRODUCTION: !!'he Bear
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Some damage to runners rssul ted fr
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27 CELLSTRUCTUREANDPLANTGROWTHCRMON
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pel'fQ.,..d,-.ear17M1932. that the
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a copious precipitate deposits afte
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B) A general review of the subject
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This narrative of ineptitude must b
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does Jo run a recreational facility
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Another pote1U:ialuse for chemicals
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Newapproaches in the use of herbici
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43 sentence would bear this out". T
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More and more each year since the a
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11. Rice, E. J. The effects of cUlt
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PFSI'ICIDESUSED - - - - - - - - - -
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__..:I whether or not these apparen
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Dosage. Ib./acre Dimethyl tetrachlo
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~ ~_~ __ L L Table 2. Weed Susceoti
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- - - - - - - - ~, - - - - --- - -
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Table 7.. Weed Control in :l:!c,Ql1
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Table '1. Rat.1lISstI 'Of carrot an
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H , 'ta~l!. g,._~e~_O!~ut~• .:.:.
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65 plant press and dried in a f~ced
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67 Tablet. 'lIi! EFFECT'or AN'INO'l
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69 THE INFLUENCE JIt P.I!ll'ROLEUM
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71 1 CDEC(Ee) 2 " " 3 4 " 5 " " 6 7
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!a~l~ 1._ ~!:.c!: :!!1~hJl!:e.::m~d
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75 EFFECT;OFCOMPOSITIONANDVOLUMEOF
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A LOGARITHMICSPRAlERFORSMALLPLCflSY
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79 Do~ Calculations The actual init
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Selective Herbicides for Several Cr
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83 Susceptible weeds Tolerant weeds
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85 Marion Market 9 9 9 9 9 9 9 9 Da
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Table 5. Bai
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weeding of Lima Bean. With Chemical
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EFFECTOF HERBICIDESONQUALITYANDYIEL
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Results Date treated: 9/6/61 Soil m
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95 Date planted: 915/61 Date treate
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Table 3. Yield Data on Hanover and
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Weeding of Carrots With 'pre-lilanU
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101 WEEDCONTROLSTUDIESIN SEElED ONI
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Weather conditions at the two locat
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In contrast to the damage noted in
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107 Literature Cited 1. Althaus. R.
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Table 1. Weed control: stand of pla
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Results and Discussion. The data, p
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CIPO, Vegadex, and Randox Singly or
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Table 1•. Wa. control, stand of p
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'Ihree experiments were conducted i
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a- Table 2_"COIIlpartsonof' Several
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fJ Table 3. CcBparison of Several.
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c
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Table 1. Seeding and Weed Counts on
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WEEDCONTROLANDTHE IMPROVEMENT OF SE
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Following emergence of the tomato s
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indicates that several of the treat
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DISCUSSIONOF RESULTS Transplant Tom
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harvest was covered with weeds, and
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An additional 2 years of tests on f
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~ Table 2 .--l Average Number and P
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~ Table 4 Total Yields in Number an
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"" ~ Table 6 Bvalu~t1.on of S&l~nto
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of weed eoneee I without inj ury 't
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1. Associate Research Specialist in
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Stulllll&ry A study was lh1tlatedto
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Table 2. The residual effects of se
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FURTHEROBSERVATIONS ONCONTROL OF TH
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Table 3 - Mean per cent brake contr
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lAssociate Research Spec1alist in W
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PRE-E~mRGENCE WEEDCONTROLTEST IN RE
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161 Table 2. Tolerance of Beets and
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163 Results generally were good wee
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USE OF GRANULAR CHl!H[CALAPPLICATOR
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u.s. #1 potatoes and weed control e
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0' ~ Table 2. Pre-emergent weed con
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Table 3. Post-hilling weed control
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~/Pe.nt>:r lITn. h.7(L T1o:oTl.,:r+
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In table 2 are presettted weed a*1'
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Since rec1root is only one of the I
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w.l.th 3 and 4 Ibs. ot Randox per a
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181 CONTROLOF ANNUALWEEDSIN pOTATOE
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The following comments on the vario
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185 S\:U!U!1fryand ConclWtlon No he
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187 Table 2. Potato YIelds Followin
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Residue analysis of potatoes treate
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soil temperatures at the time the m
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( ( ~able 2. Effect of Several Che~
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195 PROBLEMSIN THEAPPLICATIONOF HER
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197 scale tests on 2 cOlJllllercial
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l!!!! Experiment A factorial experi
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frOlll plot. at .horter i*nalt (~ t
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6.50 Table 1. Effe,ct of p"e- an
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205 EVALUATION0It' DACTHAL * HERBIC
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The 1959 and 1960 replicated field
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209 TABLEII Average Weed Cont~l Exh
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Where the weed eompleJl;conststs of
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...... 1.67, 213 Table 1. Effect of
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215 Table 2. Bffect of pre-plant he
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.217 Pive pre-plant herbicide. were
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219 Table 1. Effect of pre-p1anthel
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Table 2. tilat' of pre-plantbftb.tc
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l EVALUATIONOF THREEHERBICIDESONPnE
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TABLE2. TIll HIGHESTlATEOFHERBICIDE
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Because of the lush growth of quack
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Table 2. Effects of Herbicides on Q
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Table 3. Effects of Herbicides on A
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233 The inhibitory activity was ass
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non-polar solvents. Table 5 shows t
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237 Figure I Bioassay of cbrOlll4to
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239 Weed Control and Residual Effec
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Rototilling was done in June·' SO
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243 in the spring of 1961 preceedin
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WEEDCONTROL.AR
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Li£erature Cited 1. Chappell. W. E
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Tl'eatments ghing un.811~!8facto%'y
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Table 1. Designa t ion Am1l:)en .\
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Table 3. Percent Broadleat Weed Con
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,255 CONTROLOF ANNUALWlmDSIN swDT C
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of Casoron per acre was statistical
Page 259 and 260:
~.-! _ 1.37 ~ Table 2. Sweet Corn Y
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Table 4. Peroent Control ot Ann.ual
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EVALUATIONOF FIVE _~p>I!:S FOR KILL
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265 STRAWBERRY HERBICIDEINVESTIGATI
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267 Table 2. Eftect Of'herbicidet~e
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'h ", 4. Tillam lOG at 5 lb/A a.i.
Page 271 and 272:
Asparagus The results of weed contr
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273 TABLEII. ~1EED CONTROLANDYIELD
Page 275 and 276:
~ C'l TABLE tv. lIEE» OON1T..OLAND
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WEEDCONTROLIN TRANSPLANT TOMATOES (
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279 ·QUACKGRASSCONTROL S.M. Raleig
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281 table II. The control of:'4oaek
Page 283 and 284:
no cultivation during the growing s
Page 285 and 286:
SummaryandConclu.1Qp' 1. A quackgra
Page 287 and 288:
If or where farmer acceptance of a
Page 289 and 290:
,~, ~ Tab1.e II. Chemical. Treatmen
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so11 per plot at each sampling date
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418' 293 Table III Main Eff,ects of
Page 295 and 296:
Table V, }nt ...... e..• ,fa~, I;
Page 297 and 298:
plots showed smaller decreases with
Page 299 and 300:
FURTHEREVALUmONor HERBICIDESFal· W
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301 In the SUIIIIIlf)1' seeding, th
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The results were similar to those o
Page 305 and 306:
In another experiment, loam soil wa
Page 307 and 308:
apparently due to severe competitio
Page 309 and 310:
ab1e 2. Average dry weight of corn
Page 311 and 312:
311 The most strllt~Mrr~ct. ~fiIIJI
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313 RE9lfm'$~lfI)DI3CtlSSION '1.",
Page 315 and 316:
315 LrrERATURECITED 1. Fertig, Stan
Page 317 and 318:
.~ pattern following applications o
Page 319 and 320:
Ratings at the time of'gJ;Vllst; al
Page 321 and 322: THERESPONSEOF NUTGRASS TO HERBIC~I)
Page 323 and 324: '\.......- TABLE2. Ratings of Nutgr
Page 325 and 326: All treatments produced si~1f~c~tly
Page 327 and 328: A 327 WEBDe
Page 329 and 330: . Eli'FECTSali' WEEDSON YIELD AND"G
Page 331 and 332: Pollen Maturity: ",l. ,. Broadleaf
Page 333 and 334: '--' The applicators were tested un
Page 335 and 336: 335 Figure 1. The effeetof partic1e
Page 337 and 338: 337 SRFeader 1 On this spreader onl
Page 339 and 340: Table 4. The effect of speed, p~~cl
Page 341 and 342: Table 1: Herbicidal treatments used
Page 343 and 344: ·000 .000, I II ! WEEDCONTROLRATIN
Page 345 and 346: 2.5000 CORNINJURY EXPRESSEDAS SQUAR
Page 347 and 348: 347 1. 2. Danielson. l , ;4. L. Ef~
Page 349 and 350: ',-- 34~ 3-(3 ..4-Dichlorophenyl)-1
Page 351 and 352: weed control with adequate safety t
Page 353 and 354: Untreated Table 2. Directed Post-E"
Page 355 and 356: .s .... __ Table 7. Pre-Emel'ae~eWe
Page 357 and 358: experiment is reported herE!. Trifl
Page 359 and 360: Results are given. in Table 4~J'Rot
Page 361 and 362: In Princeton fine sand, tritlupalin
Page 363 and 364: Included in the lima. bean test wer
Page 365 and 366: Table 1. The Effects ofS8veral form
Page 367 and 368: Table 3. The effects of several for
Page 369 and 370: 369 Table 5. The effects of sev~ral
Page 371: • ~ : .• \ • ' -' ..,,:- ',-"
Page 375 and 376: Table 2. The effe,cts of s~\I'~ral
Page 377 and 378: Table 4. 377 The effects of aevel8.
Page 379 and 380: ,:' A PROGRESSREPORTONCOMIo!ERCIAL
Page 381 and 382: 4. Undesirable dead stem.,lio not r
Page 383 and 384: areas under service conditionsa~ va
Page 385 and 386: We ,prpbablyhave no speeie of g~owt
Page 387 and 388: control. At the end of the third ye
Page 389 and 390: initial defoliation was evident lat
Page 391 and 392: OBJECTIVE In 1958 an experiment was
Page 393 and 394: Replicates DlO 810 I 2.0 0.5 II 1.5
Page 395 and 396: DISCUSSION One Year After Applicati
Page 397 and 398: 1. Button, E.F. Bndwrfg'h~';J .L. ,
Page 399 and 400: 399 The treatment consisted of appl
Page 401 and 402: 401 FIELD PROCEDURES Although. the
Page 403 and 404: 403 In the light of these data it a
Page 405 and 406: 405 ...·1!MLE I SAMPLECHARACTERIST
Page 407 and 408: 407 , '.". '.·',',~'l~rL,i;'. "\"
Page 409 and 410: dltterent l"atespacaoreand"~"at thr
Page 411 and 412: 411 RESULTS ireatmentettect was det
Page 413 and 414: , 413 ;. ' "1 ' "':j " • made wit
Page 415 and 416: ( ( . Table 3. Effectiveness on Spe
Page 417 and 418: 417 FENURQlt,A PROMISINGNEWTOOL FOR
Page 419 and 420: There are a number of reaso~ for un
Page 421 and 422: .n_ots, "'hhin a few months after:
Page 423 and 424:
sater method ot tree-killing close
Page 425 and 426:
Material ~izone is a,mixedf~g.. t w
Page 427 and 428:
427 On November 16, 1961, at the en
Page 429 and 430:
CHBMI-THINNINGWITH,AIrlINES IN THED
Page 431 and 432:
These tests show once aaaiJithe nee
Page 433 and 434:
Th:Ls ch!~ca1. tx'eatme:n1!_1IhClJ.
Page 435 and 436:
: if.. . ' A Comparative Study of t
Page 437 and 438:
'j 437 petioles, now elongated,f'or
Page 439 and 440:
Helisoma, Menetus, fhYSa andValvata
Page 441 and 442:
i s. The benth1c populat1Q~ W¥", O
Page 443 and 444:
443 Eurasian. wa~lfoil a W8t.f~~ ap
Page 445 and 446:
Empb4sis was on testing DOD-volatil
Page 447 and 448:
447 . , , -. I':'V'est~a.ti
Page 449 and 450:
FIELDOBSERVATIONS UPONESTUARINE ANI
Page 451 and 452:
more than 2 feet. ExceptionalUdes s
Page 453 and 454:
TABLE1. Responseof oysters t~ diffe
Page 455 and 456:
In the'Dundee Creek series. ,one of
Page 457 and 458:
workers. springer (1961) cite8& num
Page 459 and 460:
OBSERVATIONSONTHE OCCURRENCE' ANDPE
Page 461 and 462:
461 TABLE! Chemical Water QuaU1?::r
Page 463 and 464:
TABLEIII Threshold Taste and Odor C
Page 465 and 466:
(1.1-) Burttschell, R.H. , et al.,
Page 467 and 468:
Code A - seeded June 29 B - seeded
Page 469 and 470:
SUIIIIJ~, ~ Conclusions 5' 469 The
Page 472 and 473:
III. Average turf scores l' of thre
Page 474 and 475:
474 PIft'J'OTOXICBlFBQTS'QJe'CBRTAI
Page 476 and 477:
476 MERIONBLUEGBASS• T!BATANDsgD
Page 478 and 479:
478 In general. the treatments appl
Page 480 and 481:
4BJ days follow:lng the ohemical tr
Page 482 and 483:
') ') ' :_B!.ue~s•. Fescue au:l~"
Page 484 and 485:
:". ',J P~E~ C!',. O~.C~G~S 'F.~HEM
Page 486 and 487:
Lima and ferd'1izer applications sh
Page 488 and 489:
4es 1'.o~~1ty, ", .ewf!r''''rsenc.
Page 490 and 491:
} ) Table 1. Besu):ta.Qf 1961 pre-e
Page 492 and 493:
492 corresponding plots on este.bl1
Page 494 and 495:
494 ae.u!s,'I!IIDi,cua.:Lon leUllll
Page 496 and 497:
496 D±!3pa,~n~ Resul te)I? .,l-ta,
Page 498 and 499:
498 1 . 1 J. E. Gallagher and n. J.
Page 500 and 501:
500 Da1;ejJ01 e~uations ~,a.;t'ollC
Page 502 and 503:
502 TADLEIt Comparison of "severalc
Page 504 and 505:
504 TADLE3: Pre-oemergence and poet
Page 506 and 507:
506 Table 1. Re8eeding Resulte:afit
Page 508 and 509:
5"8 d1propalin ortrifluralin 'at ':
Page 510 and 511:
510 aUlIPIl iri '-1: ' D" "" Diphen
Page 512 and 513:
Fall ve. spriif ~nts .. 'Ibe",obl1.
Page 514 and 515:
514 ~ Tab1e2. Cr&bgraS$'Contr01 in
Page 516 and 517:
516 ,';1:".i'"'f'!r": :~,j i: .. r
Page 518 and 519:
. ~lS residual cemtrol of crabgrssi
Page 520 and 521:
520 - . \.. ; ."," ,
Page 522 and 523:
5~2 'rab4t13.· ~gtnc. ·QGabtiol:o
Page 524 and 525:
524 PRE.._RGENCE AMU' POsT-EHERGENC
Page 526 and 527:
526 Table 1. 'l'a):lsra,. ContrO.k1
Page 528 and 529:
528 Pre- andpost ..emergejljCec:rab
Page 530 and 531:
530 Prior to each chemical applicat
Page 532 and 533:
u 532 3) Those trea.t,mellts which
Page 534 and 535:
Table I (Coot'd) 27. JSc.F,~iOe t$~
Page 536 and 537:
536 EXPERIMENTS ONTHECHOOCALCOIm'l)
Page 538 and 539:
~______ , 53S Table 1: Control of c
Page 540 and 541:
54' In a similar po st-ell1~rgence
Page 542:
542 da~hal and diphenatrile) at ear
Page 545 and 546:
.. ";' -:' il; JT!.: .'\ i~'J" ; ~J
Page 547 and 548:
541 Distr:tbution of radioacti~tl t
Page 549 and 550:
549 •RESULTS The distribution of
Page 551 and 552:
GRAPHII: Comparison of the~.tl;'i~u
Page 553:
"-...-.. J.4 The distribution of r~
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Vol. 16â1962 - NorthEastern Weed Science Society