Vol. 16â1962 - NorthEastern Weed Science Society

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126 The1!1me-reqUired to hand-<strong>Weed</strong> and block direct-seeded tomatoes was reduced by m~e than one-half when 4 pounds Solan wasapplied just prior to emergence of tomato seedlings. Lttera~reCited 1. Sweet. R.&... and V. RubatzkY.· Herbicides for Tomatoes. Proc. of N.E.~, J <strong>Weed</strong>Col@r01Conf. ,ll: 84-92. 1959. , 1
WEEDCONTROLANDTHE IMPROVEMENT OF SEEDLINGSTAN~ Colen C. 1ITyatt 11and J. Introduction D. V11ieonY 127 IN DIRECT-SEEDEDTOMATOES Experiments conducted in 1960indicated that Vapam and Allyl Alcohol were two chemical compounds that might be expected to give a considerable degree of weed control and at the same time increase the stand of seedlings in the dil"ect-seeding of tomatoes up to the time ot blocking and thinning. In the 1960 trials these two materials were mixed with the 10p three inches' of soil with a tractor-mounted rotary tiller in bands approximately 16 :Inches wide. In some instances the treated band was coveNd with a polyethylene tarp. About 12 to 14 days later tomatoes were seeded into the treated bands of soil. Because of the favorable results obtained in the 1960 experiments it was decided to continue the experimentation. Procedure Vapam (sodium n-methyl dithiocarbamate), Allyl Alcohol and Tillam (propy1ethyl-n-butythiocarbamate) were included in the 1961 tests. In addition, various types of mulches or sealants were added to the treated bends of soil in an effort to evaluate their effectiveness in slowing down the escape of the Vapam and Allyl Alcohol from the so11 and thus improve their performance in killing weeds and fungi in the surface imh or so of soil. Tillam was also mixed with the soil alone and in combination with Vapam and Allyl Alcohol to increase the degree of weed control. The treatrents used and the results obtained at Bowling Green and ',~o~, Ohio are indicated in Table 1. The soil was thoroughly disked and harrowed to put it in gio d physical condition before it was treated. The treatments were applied in cooperation with personnel from the U.S.D.A. Engineering Laboratory located at Wooster, Ohio, with tractor-mounted equipment designed and developed by that laboratory. The chemical compounds used were incorporated (mixed) nth the top 3 inches of soil in bands 16 inches wide, where so indicated, by spraying them on the surface just ahead of the tilling equi.pmenb; In a few instances where the rotary tiller was not used about 2 inches of soil 1'I8rethrown over the sprayed band by means of carefUlly mounted dis ca, In both meth>ds of application the soil was smoothed and packed somewhat in a rounded mound about 2 inches h1~er in the center 'han at the edges. If the treated band was to be covered w:l.th a polyethylene tarp, this covering was then laid and the edges covered (sealed) by means of specially mounted discs. After 4 or 5 d~s thetarp was removed. If liquid sealants were to be employed, these were applied by placing the selected sealant in a paint sprayer operated by compressed air fran Which it was sprayed on the treated band of soil. These so-called sealants were left in place and the seed drilled through the mulch some 10 Dr 11 days after the treatments were applied. y Research Horticulturist, H. J. Heinz Company, Pittsburgh, Pa, Y Professor of Plant Pathology, Ohio Agricultural Experim"nt Station, V"oos~er, Ohio
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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
Page 75 and 76: 75 EFFECT;OFCOMPOSITIONANDVOLUMEOF
Page 77 and 78: A LOGARITHMICSPRAlERFORSMALLPLCflSY
Page 79 and 80: 79 Do~ Calculations The actual init
Page 81 and 82: Selective Herbicides for Several Cr
Page 83 and 84: 83 Susceptible weeds Tolerant weeds
Page 85 and 86: 85 Marion Market 9 9 9 9 9 9 9 9 Da
Page 87 and 88: Table 5. Bai
Page 89 and 90: weeding of Lima Bean. With Chemical
Page 91 and 92: EFFECTOF HERBICIDESONQUALITYANDYIEL
Page 93 and 94: Results Date treated: 9/6/61 Soil m
Page 95 and 96: 95 Date planted: 915/61 Date treate
Page 97 and 98: Table 3. Yield Data on Hanover and
Page 99 and 100: Weeding of Carrots With 'pre-lilanU
Page 101 and 102: 101 WEEDCONTROLSTUDIESIN SEElED ONI
Page 103 and 104: Weather conditions at the two locat
Page 105 and 106: In contrast to the damage noted in
Page 107 and 108: 107 Literature Cited 1. Althaus. R.
Page 109 and 110: Table 1. Weed control: stand of pla
Page 111 and 112: Results and Discussion. The data, p
Page 113 and 114: CIPO, Vegadex, and Randox Singly or
Page 115 and 116: Table 1•. Wa. control, stand of p
Page 117 and 118: 'Ihree experiments were conducted i
Page 119 and 120: a- Table 2_"COIIlpartsonof' Several
Page 121 and 122: fJ Table 3. CcBparison of Several.
Page 123 and 124: c
Page 125: Table 1. Seeding and Weed Counts on
Page 129 and 130: Following emergence of the tomato s
Page 131 and 132: indicates that several of the treat
Page 133 and 134: DISCUSSIONOF RESULTS Transplant Tom
Page 135 and 136: harvest was covered with weeds, and
Page 137 and 138: An additional 2 years of tests on f
Page 139 and 140: ~ Table 2 .--l Average Number and P
Page 141 and 142: ~ Table 4 Total Yields in Number an
Page 143 and 144: "" ~ Table 6 Bvalu~t1.on of S&l~nto
Page 145 and 146: of weed eoneee I without inj ury 't
Page 147 and 148: 1. Associate Research Specialist in
Page 149 and 150: Stulllll&ry A study was lh1tlatedto
Page 151 and 152: Table 2. The residual effects of se
Page 153 and 154: FURTHEROBSERVATIONS ONCONTROL OF TH
Page 155 and 156: Table 3 - Mean per cent brake contr
Page 157 and 158: lAssociate Research Spec1alist in W
Page 159 and 160: PRE-E~mRGENCE WEEDCONTROLTEST IN RE
Page 161 and 162: 161 Table 2. Tolerance of Beets and
Page 163 and 164: 163 Results generally were good wee
Page 165 and 166: USE OF GRANULAR CHl!H[CALAPPLICATOR
Page 167 and 168: u.s. #1 potatoes and weed control e
Page 169 and 170: 0' ~ Table 2. Pre-emergent weed con
Page 171 and 172: Table 3. Post-hilling weed control
Page 173 and 174: ~/Pe.nt>:r lITn. h.7(L T1o:oTl.,:r+
Page 175 and 176: 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
Page 463 and 464:
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
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474 PIft'J'OTOXICBlFBQTS'QJe'CBRTAI
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476 MERIONBLUEGBASS• T!BATANDsgD
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478 In general. the treatments appl
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4BJ days follow:lng the ohemical tr
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') ') ' :_B!.ue~s•. Fescue au:l~"
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:". ',J P~E~ C!',. O~.C~G~S 'F.~HEM
Page 486 and 487:
Lima and ferd'1izer applications sh
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4es 1'.o~~1ty, ", .ewf!r''''rsenc.
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} ) Table 1. Besu):ta.Qf 1961 pre-e
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492 corresponding plots on este.bl1
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494 ae.u!s,'I!IIDi,cua.:Lon leUllll
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496 D±!3pa,~n~ Resul te)I? .,l-ta,
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498 1 . 1 J. E. Gallagher and n. J.
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500 Da1;ejJ01 e~uations ~,a.;t'ollC
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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
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5"8 d1propalin ortrifluralin 'at ':
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510 aUlIPIl iri '-1: ' D" "" Diphen
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Fall ve. spriif ~nts .. 'Ibe",obl1.
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514 ~ Tab1e2. Cr&bgraS$'Contr01 in
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516 ,';1:".i'"'f'!r": :~,j i: .. r
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. ~lS residual cemtrol of crabgrssi
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520 - . \.. ; ."," ,
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5~2 'rab4t13.· ~gtnc. ·QGabtiol:o
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524 PRE.._RGENCE AMU' POsT-EHERGENC
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526 Table 1. 'l'a):lsra,. ContrO.k1
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528 Pre- andpost ..emergejljCec:rab
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530 Prior to each chemical applicat
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u 532 3) Those trea.t,mellts which
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Table I (Coot'd) 27. JSc.F,~iOe t$~
Page 536 and 537:
536 EXPERIMENTS ONTHECHOOCALCOIm'l)
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~______ , 53S Table 1: Control of c
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54' In a similar po st-ell1~rgence
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542 da~hal and diphenatrile) at ear
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.. ";' -:' il; JT!.: .'\ i~'J" ; ~J
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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
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"-...-.. J.4 The distribution of r~
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Vol. 16â1962 - NorthEastern Weed Science Society