Vol. 16â1962 - NorthEastern Weed Science Society

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524 PRE.._RGENCE AMU' POsT-EHERGENCICWBGRASS ,',' . . . :0'. CONTROl.XJ"TURFGWS" 1~: i: , "):t 2 C. D. Kesler. R. H.'lole, and C. E. Phillips The objective of this study was to evaluate the effectiveness of severa1chem1cals ...• far;the control:," crabgrass on " established Kentucky b1uegra" turf. :'~;; . 'c . > Materials and Methods ., '-. " 'J~J1' . The experimental area.,.. -located on tIbe l\8r1cul tural Experiment Station Farm at· ... rk. Delawan.'Chemicals were; applied to a Kentucky blue'g'tatls·turf heavlJ,:tnfested with cribgrass the previous season. 'rb- crabgrass t()pulation cons1ste~ , of approximately 90 percent smooth crabgran ~Digitaria ischaemum,. and 10 percent common crabir~s, Digit!rl",~ulnalis. The plot layout .. a randomized block designlQ9Qf sting of2 r.p~ications and 17 treatments. hch plot mea."red 12 feet by 20':Jee~. 'fl':, '; The soil was a Matapeake silt 10amofjWledium fertilltywtth a pH of 6.0. Fertilizer was applied in the early spring as indicated by soil tests. The area was mowed once a week to a height of 1 1/2 inches. Pre-emergence uterial. were applied .. March 20. Emul.ifiable concentrates and wettable powders W8~.,:applied in water ·1jith a modified bicY
The area was not irr~•• · Within 24C'ltobl's after the application of the first and second post-emergence treatments, there were .70 laches and :1t,l::rlnches of. precip:Ltation, respe~ tively. No precipitation ,ococ.rred withio' days after the third post-emergence application. ~ j l ;J 525 Periodic obs.rvations" for turf injury and crabgrass con-:'::· trol were made following application of the chemicals. Dis- .'::; . coloration readinss were taken 5 days after each p08t-emerg ... ~~ application. ' The>percentq •• of crabgrass contrl:)l and turf ..r.~li', grass injury weredeterminid by averaging Httutes of three '.::'L" independent observers. : :.\, ~;_ {:I':« ', The herbicidal materials used and rate of active ingre- :h dients per acre are included with the data in tables land '2.,'1 Results and Discussion Table.laa.d 2 show the ..esults obtaldta With the chemi';"~C' cals used in this experimeltt~·, ;,m~' : None. of t\\ .• pre-emergent. chemicals produfed any obserY~:.~· able turf discOloration ort","f injury.Zytron liquid formulations were the only trea~dts producirta excellent control of crabgra .. dUring the entire growing season. Granular zytron and,dacthal W-50 gave goodeontrol.' '1::1: Tricalcium arsenate and calcium propyl arsonate produceef: 1 excellent control early in the season. By mid-summer, contr
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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
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~.-! _ 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.
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Asparagus The results of weed contr
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273 TABLEII. ~1EED CONTROLANDYIELD
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~ 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
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no cultivation during the growing s
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SummaryandConclu.1Qp' 1. A quackgra
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If or where farmer acceptance of a
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,~, ~ 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
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Table V, }nt ...... e..• ,fa~, I;
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plots showed smaller decreases with
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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
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In another experiment, loam soil wa
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apparently due to severe competitio
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ab1e 2. Average dry weight of corn
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311 The most strllt~Mrr~ct. ~fiIIJI
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313 RE9lfm'$~lfI)DI3CtlSSION '1.",
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315 LrrERATURECITED 1. Fertig, Stan
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.~ pattern following applications o
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Ratings at the time of'gJ;Vllst; al
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THERESPONSEOF NUTGRASS TO HERBIC~I)
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'\.......- TABLE2. Ratings of Nutgr
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All treatments produced si~1f~c~tly
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A 327 WEBDe
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. Eli'FECTSali' WEEDSON YIELD AND"G
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Pollen Maturity: ",l. ,. Broadleaf
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'--' The applicators were tested un
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335 Figure 1. The effeetof partic1e
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337 SRFeader 1 On this spreader onl
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Table 4. The effect of speed, p~~cl
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Table 1: Herbicidal treatments used
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·000 .000, I II ! WEEDCONTROLRATIN
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2.5000 CORNINJURY EXPRESSEDAS SQUAR
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347 1. 2. Danielson. l , ;4. L. Ef~
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',-- 34~ 3-(3 ..4-Dichlorophenyl)-1
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weed control with adequate safety t
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Untreated Table 2. Directed Post-E"
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.s .... __ Table 7. Pre-Emel'ae~eWe
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experiment is reported herE!. Trifl
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Results are given. in Table 4~J'Rot
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In Princeton fine sand, tritlupalin
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Included in the lima. bean test wer
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Table 1. The Effects ofS8veral form
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Table 3. The effects of several for
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369 Table 5. The effects of sev~ral
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• ~ : .• \ • ' -' ..,,:- ',-"
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Heights of barley were significantl
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Table 2. The effe,cts of s~\I'~ral
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Table 4. 377 The effects of aevel8.
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,:' A PROGRESSREPORTONCOMIo!ERCIAL
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4. Undesirable dead stem.,lio not r
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areas under service conditionsa~ va
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We ,prpbablyhave no speeie of g~owt
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control. At the end of the third ye
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initial defoliation was evident lat
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OBJECTIVE In 1958 an experiment was
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Replicates DlO 810 I 2.0 0.5 II 1.5
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DISCUSSION One Year After Applicati
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1. Button, E.F. Bndwrfg'h~';J .L. ,
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399 The treatment consisted of appl
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401 FIELD PROCEDURES Although. the
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403 In the light of these data it a
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405 ...·1!MLE I SAMPLECHARACTERIST
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407 , '.". '.·',',~'l~rL,i;'. "\"
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dltterent l"atespacaoreand"~"at thr
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411 RESULTS ireatmentettect was det
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, 413 ;. ' "1 ' "':j " • made wit
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( ( . Table 3. Effectiveness on Spe
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417 FENURQlt,A PROMISINGNEWTOOL FOR
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There are a number of reaso~ for un
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.n_ots, "'hhin a few months after:
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sater method ot tree-killing close
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Material ~izone is a,mixedf~g.. t w
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427 On November 16, 1961, at the en
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CHBMI-THINNINGWITH,AIrlINES IN THED
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These tests show once aaaiJithe nee
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Th:Ls ch!~ca1. tx'eatme:n1!_1IhClJ.
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: if.. . ' A Comparative Study of t
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'j 437 petioles, now elongated,f'or
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Helisoma, Menetus, fhYSa andValvata
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i s. The benth1c populat1Q~ W¥", O
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443 Eurasian. wa~lfoil a W8t.f~~ ap
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Empb4sis was on testing DOD-volatil
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447 . , , -. I':'V'est~a.ti
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FIELDOBSERVATIONS UPONESTUARINE ANI
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more than 2 feet. ExceptionalUdes s
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TABLE1. Responseof oysters t~ diffe
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In the'Dundee Creek series. ,one of
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workers. springer (1961) cite8& num
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OBSERVATIONSONTHE OCCURRENCE' ANDPE
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461 TABLE! Chemical Water QuaU1?::r
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TABLEIII Threshold Taste and Odor C
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(1.1-) Burttschell, R.H. , et al.,
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Code A - seeded June 29 B - seeded
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SUIIIIJ~, ~ Conclusions 5' 469 The
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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 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. 16â1962 - NorthEastern Weed Science Society

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Vol. 16â1962 - NorthEastern Weed Science Society