Vol. 15â1961 - NorthEastern Weed Science Society

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Table 1. Treat.ments Used and Stand Counts on Bedst.raw in Birdsfoot. Trefoil. Treatment Chemical Rate/A. Aver~ number of bedstraw shoots per sq. ft.*-Aug. ,1959 Dates of treatment No. Used lbs. A.E. 3/24/59 4718759 5/12759 1 2,4,5-TP (AmChem) 1 0 0 0 2 .?,4,5-TP " 2 ( 0 0 0 3 '2,4,5- TP \I 3 0 0 0 4 2,4,5-TP (Dow) 1 0 0 0 5 2,4,5-TP >I 2 0 0 0 6 2,4,,5-TP tI 3 0 0 0 7 . Check o 37 35 34 Average number of bedstraw pl.ants** per plot (6 x 30 ft.) Apr. 21, 1960 : Dates ot: treatment 3/24/59·4/18/59 5i12/59 8fI4759 7.5 3·0 0·75 95 12.0 4.8 0.50 61 3·7 2.2 0.50 39 5·0 3·0 8~2 2.8 - ~ 0·75 110 0.25 63 '. 5·0 1.8 0.25 27 148 122 ll6 145 * The average of 3 - 2 sq. f't.' qlladrat count.s per plot. 2he values are individual .teas· of bedstraw, ,. ** The average total. number of bedstraw clumps per plot. 'l'he average of 4 ~plication8 • • ...::t t'- r"I
375. control ot: additional weed species as follows: " '. Philadelphia Fleab,a.ne (Erijieron canadens is ) Rough Cinquefoil (Potentilla recta) Ox-eye Daisy (Chrysanthemum',leucanthemum) Goldenrod (SOlidago spp.) The following weed species were not controlled by 2,4,5-TP: Dandelion (Taraxacum offic1ne.le) Canada Thistle (Cirs-tum arvense) Chicory (Ctchorium intybus) The stand counts made April 21, 1960 show the re-infestation from seed. These were seedling plants having a single shoot. The re-1nteste.tion was least from the treatments applied May 12 J 1959. SUMMARY: 2,4,5-TP at rates of 1 pound per acre effectively controlled bedstraw. Bedstraw is susceptible over the period April to Juzie. Empire birdsfoot is less susceptible to 1njurythan Viking, based on other experiments. 2}4, 5-TP is not cleared for use on forage to be grazed by or fed to milking cows or beef animals intended for slaughter. Note: A mimeographed copy ef the complete paper is available. from the author. --
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THE USE OF VEGETATIVECHARACTERISTIC
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In a few grasses with smooth sheath
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5. FACTORSINFLUEUCINGTHE PERFORFANC
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7. The introduction of synthetic or
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The com;onents the distribution of
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grains. We early found that the oat
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13. Atrazine Days following cpm/O.
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15. not find an abundant production
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Weed Control In Suburbia 1 Howard H
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For establishing new lawns, I would
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Any improvement that you can make i
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PROMISINGNEWCHEMICALSFORWEEDCONTROL
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25. Promis ins results have also be
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27. (Lycbnis alba), cinquefoil (Pot
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THE EFFECTS OF ADDED PENETRANT AIDS
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... Surfactant Produced bz: . 31
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33. 33. of scintillation solution,
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Table 3. The Net Counts Per Minute
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The comparisons for lower leaves, s
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39. SUMMARY Tests using 2-C 14-1abe
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41. RECENTDEVELOPMENTS IN THEUSE OF
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second application be made not late
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45. Combinations of vegadex-Randox
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11/ Persistence of Soil-Incorporate
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Plot size varied from 9 sq. ft. to
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Lower rates of R-1856 were tested o
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greenhouse tests are listed below.
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PROGRESSREPORTON LAY-BYUEEDCONTROLI
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57. Table 1. Effect of sodium silic
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Sheets (1959) studied, under labora
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M, ',. • • •• • " ' Treat
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Figure 1. Relative performance trea
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A duplicate test was started August
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67. "he two tests which dealt with
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69. CONTROLOF WEEDSIN VEGETABLECROP
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71.' TABLE 3. RESPONSE OF VEGETABLE
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73. COHBIltit.TloNS' OF cnu:'PITH C
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75. Results The delay in applicatio
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77. Summary Logarithmic, tank-mixed
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(' ( ( Table 1 Rates and Dates of H
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( ( ( Table 3 Effect of Post-Tran~l
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( ( ( Table 5 Effect of Lay-By Herb
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Chemical Weed Control Charles J. No
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Table I. Weed control, plant stand,
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Table 1 - Table Beets Pre-plant; Pr
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91. Chemical Weed Control in Onions
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93. Table I. l;ced control, plant s
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95. Results Survey Table I of Hando
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97. Weed counts were made 3 weeks a
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99. Third applications were made on
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1t1. ~ata - Onion stand counts, wee
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The data in table 2 gives the signi
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The following effects were noted. 1
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PRE-fREATINGSOILS, APOSSIBLE.TECfiN
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· 109. Table 2. The influence of d
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..... 11 ... - Progress Report on W
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113. fndothal as a pre-planting inc
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115~ Table 3. Mean markebab l.e 9£
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1170 Chemical Weed Control Charles
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119. Table I .. Weed contrOl! plant
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121. '- The stand of plants of bo
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123. Table II. Weed control stand a
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EFFECTOF SEVERALHERBICIDESONEARLYYI
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Table 2. Calcula.ted ecre yields of
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129. - Treatment Average weight per
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-- The herbicides were applied on J
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133. Table 2. Effect of pre-plant h
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- 135. Dim tro for Weed Control in
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PJ,OORESSREPORT:ON.:WEEJhCGNTROL IN
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- Simazine 2 and 2 1/2 lb./A and at
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141. Results - .l2.22 Table 2 shows
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- !!!! Applications 143. The plots
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145. Conclusions ADexperiment carri
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147. Residual herbicide activity wa
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- Table 1. Herbicides and Rates Use
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~ __ ( ( ( Table 3. WeedControl on
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153. TreatiD§ Established Hemlock
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155. flowering and growth in the sp
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157. Table 2. Pansy Weed Control (P
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1590 Table 3. Herbicides Used on Tu
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------- -------------_._------ ..
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'. 163. In .Table 3 Co.mpariS01'U$
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1.65. "'-" Ia.!!l.! ! __!ind_a!!,d_
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167. Maleic Hydrazide for Weed Cont
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169. 1. Dana, M. N. Sensitive Fern
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171. -' Table 1. Amino triazole res
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1730 Additiona! apple .,samples wer
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more consistently effective than 5
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177. HUBICIDES roll YOUNGAPPLE TUES
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--. Table I. Treatments No. Materia
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Table 1 -Effect of Granular Formula
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iss. BVAWATIONor rIVE HEIBICIDES 10
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PROGRESSREPORT'ON WEEDCONTROL IN CA
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"'- Table' 1. Herbicide,s Used inCa
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189. Tabl\7 5. Rating ot BroodIest
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WEEDGONTROLIN SWBE:rCORNWITHDACTHAL
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D. FlantinB A!Plication of Thiolcar
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Table 2. Rainfall, Monmouth, Maine
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197. Table 4. rercent> Broadlear We
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1-. . " Table 6. Percent Broad1eaf
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'\) 0' ,.... • ( ( ( Table 9. Y
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ANNUALWEEDCONTROLIN POTATOESWITHDNB
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·205. Percen t Woad Can trol ·196
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, r t"
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Table 5. Annual Broadleaf Weed Cont
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211. Table 9. Effect of fast-Emerge
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2130 Conclusion There are quite a n
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SOMERESEARCHANDWEEDCONTROL METHODS
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-- ,,"I. ,'~; "... TABLEII. EFFECTO
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( ( ( - -~. , ~ ._w ~~ "PlOOl:tB21.
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'-~ With respect to asparagus. howe
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, 1 ,WEEDCONTROLIN ClaTAIN VlGBTABL
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225 • r '.,':' .TABU: ~~ ... ,WEE
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227 • . TABLEIV' -' WEED CONTROJ.
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2290 'of.' .'J • ~ : ~. ... :.' "
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231. Conclusions The results publis
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possibility of too severe thinning
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PRE-EMERGENCEWEEDCONTROLTN ceRN s,
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INCORPORATED ANDUNINCORPORATED·LIQ
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( ( ( Table 1. Weed Control Ratings
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at both weed rating dates at Newark
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DNBP - Zytron Mixture for Weed Cont
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~ •• 245. ·Res~1~8 fr.o.George
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247. Weed Control in Soybeans with
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249, EFFECTOF HERBICIDESONSEEDPRODU
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251. TABLE3. EFFECTSOF APPLICATIONS
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253. almost a week, with treatment
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( ( ( , Table 1. Effects of Various
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Table 3. anal.ysi.s of Soil l,esidu
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Results and Discussion ;llien the f
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4. Immediate treattlent injury to t
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( ( ( Table n. :'.!:sti.Jl'ated.'er
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have very littla real II'+eaningas
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267. Table 2. Pre-emergence crabgra
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269 • ..., : Table 1.. 1960, Rain
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271. Chlordane must be used at rate
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u • 2 ( ( ( t Table 3. Effect of
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275. Table 5. Effect. of preemergen
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277. In one area, the old turf was
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279. following application. The hig
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2$1. The standard date of applicati
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Table 2. Effect of season of applyi
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L 1-l34B9 ,Jiphenyllactelonitrile o
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287. Halts F-24, Halts F-26, Halts
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POST-.EJ.iEhGENCE CONThOLOF CIiABGI
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,veedone at 4 pounds of tL.cl per a
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( ( ( Table I. Post-Emergence Contr
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• •• ., .. • •• ',' •
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297. compatible with grub-proofing
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299, Diphenatrile Results During th
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301. tentative generic name triflur
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- 1 PRE-ENERGENCE CRABGRASS CONTROL
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Discussion 30; • a) Pre-emergence
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307. TABLEI -- Comparison of Produc
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-' Table II (can't) 309. Stand of S
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312. THEEFFECTIVENESSOF COMBINATION
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314. Table 2. Stand Counts and Sile
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316. planted control before these h
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Table II. The control of quackgrass
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320. growing season in the 1957-59
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322. Table I Main Effects of Cultur
Page 324 and 325: 324. Atrazine by September 10 when
Page 326 and 327: 326. Another effect of Atrazine tha
Page 328 and 329: 32S. Amitrol-T was intermediate in
Page 330 and 331: Qolumn Separation: Cellulose. A 24
Page 332 and 333: 332, Figure -I. Chromatogram of qua
Page 334 and 335: 334. PRELIMINARYRESULTSONTHE USE OF
Page 336 and 337: 336. DATEOF BERRYHARVESTAS IT AFFEC
Page 338 and 339: within three inches of the soIl sur
Page 340 and 341: 340 .. The growth ra.te of Horse ne
Page 342 and 343: 342. dish containing ten seeds bet\
Page 344 and 345: 344. is not a factor in in It is
Page 346 and 347: 346 • .Absornt:j.Qn Qn Exchange R
Page 348 and 349: 348. The' chrona tog ram."WaS first
Page 350 and 351: 350. PROGRESSREPORTON A STUDYOF THE
Page 352 and 353: 352. 7. Fluctuating warm and cold w
Page 354 and 355: 354. A clos.e correlation was found
Page 356 and 357: 356. 1 THE ANATOMICAL NATUREO:BTHE
Page 358 and 359: 358. The 2,4,5-TP was most effectiv
Page 360 and 361: Table I. Effect. of Pre-emergence T
Page 362 and 363: INTRODUCIIOB: THEEFFECTOF WEEDCOMPE
Page 364 and 365: 1";. 1958 JFab1e I (cont ' d) Treat
Page 366 and 367: 366. fiE USE OF FENACFOR QUACKGRASS
Page 368 and 369: 36$. SUMMARY: Based on a I).umber o
Page 370 and 371: - Table 1. Chemicals and Rates Used
Page 372 and 373: 372. On spring plowed plots I where
Page 376 and 377: 37t. PRELIMINARYRESULTSONTHE CONTRO
Page 378 and 379: 378. CHEMICAL TREATMENTS FORTHECONT
Page 380 and 381: Table ;. Visual RatiDgs and Stand C
Page 382 and 383: ANN11AL WEEDCONTROL IN SILAGECORN1
Page 384 and 385: TABLEI. field Corn tiead Control an
Page 386 and 387: Sunderiand,' Mass..Experiment: In t
Page 388 and 389: ) ) BBLB I. QuackgT88S Control in F
Page 390 and 391: TABLEIII. Quackgr888 Control in Fie
Page 392 and 393: 392. herbicides. In senerel."we.had
Page 394 and 395: 394. RESULTS§e PISCUSSION In Augus
Page 396 and 397: 396. WHATHAPPENS TO PHENOXYHERBICID
Page 398 and 399: D. TASTEAND ODORSTUDIES Taste and o
Page 400 and 401: herbicides produces aquantit.at.ive
Page 402 and 403: 4('2. • A DECADEOF BRUSHCONl'ROL
Page 404 and 405: areas, fre1.uently the crews l'UIrL
Page 406 and 407: 406. During June and July 1959 a pr
Page 408 and 409: 408. Numerous chemicals have been u
Page 410 and 411: " A Progress Report on Urab * Brush
Page 412 and 413: 412.
Page 414 and 415: 414. Urab is an effective chemical
Page 416 and 417: 416. application. Atrazine has a wa
Page 418 and 419: 418. COMPARISONOF TECHNIQUESANDSPEC
Page 420 and 421: Table I - Results of chemicals appl
Page 422 and 423: 422. Results and Discussion Data fr
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424. THE CONNECTICUT ARBORETUM RIGH
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426. (Kalmia angustifolia) ,huckleb
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42$. TABLEI (cont'd.) Technique For
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43". by Leonard and Crafts (15) mos
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432. awareness of the need for good
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434. RECOMMENDAT:I"'NS FOR THE USE
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436. The recommended materials for
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438. NATURALANDSCAJ:'ING WITHHERBIC
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440. STATEHIGHWAYHERBICIDE POLICIES
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442. There is a matter of judgment
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444. DATAON STATEHIGHWAYHERBICIDE P
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446. ROADSIDEBRUSHCONTROLWIM PHENOX
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446. Spraying begins in Connecticut
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Basal applications can be applied e
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452. UMASSACHUSETTS PROGRESSREPORTO
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45,4. Again, since the solution is
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456. Statistics In 1959, the low bi
Page 458 and 459:
458. formation of seed heads. It wa
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460. In our northern division, we c
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462. '. 1. A. 200 ga'l Lons of' wat
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METHODSOF SMIJPLING RAG.hfEED POLLS
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counted. ThJ grqins m~y ba st~inad
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468. slide moved across the orifi~e
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470. INTERIMREPORTONAQUATICWEEDCONT
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,.' f'inal retJuJ.t was that the us
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474. taste and odor problems. The a
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476. AQUATIC'J1ElID.CONTJ3.,OL '65~
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478. For example: Imagine, if you:
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enefit of those both us1ng the wate
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• • of ,-, "",jqc. '\:':' ',:,;
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~ '. r; I ' ':'.' ~, ',;' '.'. 1·"
Page 486 and 487:
486. weeds increased the food 4.3 t
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..; . " .," .. ,', oontro..lbe ·oo
Page 490 and 491:
490. Idee1ly these woUld coVer' foo
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4')2. Literatm-o Cit~: Biolog:$,cal
Page 494 and 495:
494. SYSt.:Clil ..:ne sp:aying cont
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496. 0ll'l;ljing, &hluL ..l V,~l"Y
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etween our sprayine=. operatdons an
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500. loblolly pine existed iii quat
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502. 'j' " Using results for all ou
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cut over several year. ,b.elozoe.·
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506. HARJJ.rlOOD CONTROL WITHMIST B
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508. distance was achieved. All sub
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510. Hardwood oontrol within the li
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• J ". 512. ~ ., and the weather
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) ) ) '.. . . hble). EffectbeneBB o
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516. HERBICIDf;TECHNIQUE.:> ,FORTn-
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518. The possibility o:rusing contr
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520 • . However, the capacity of
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522. This is followed by planting i
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524. AQJJATICWEEDCONTROLANDRELATEDP
Page 526 and 527:
526. findings we increased the amou
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52e. There is a constant reinfectio
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530. in 1960 the Potamogeton re-app
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532. PROGRESSREPORT ON THE FIELD TE
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534. It· was tht.;n necessary to d
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536. l.qunlin Hcrbici(.l(; pr-ove-d
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;538. P.EFEP..ENCES 1. ijOSCIlETTI,
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540. The oontrol plot was ohosen so
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542. The dissolved oxygen content r
Page 544 and 545:
544. Summary 1. Six experimental pl
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546. A PRELIMINARYREPORTON THE EFFE
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that either slow chemical hydrolysi
Page 550 and 551:
550. In July of 1959 funds were mad
Page 552 and 553:
552. The barge was run at ~ speed o
Page 554 and 555:
554. areas successfully treated in
Page 556 and 557:
556. pick~rel spawning suacess but
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Control of the Pondweed. Potamogeto
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560. THE ABSORPTIONANDMETABOLISMOF
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562. in controlling weeds in ponds
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CommonName WEEDSCONTROLLED ANDAQUAT
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566. PROGRESS-R!PORT·ON CONTltOLOF
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568. Herbicides used for these stud
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570. StHtARy Invasion of Eurasian v
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AUTHORINDEX(continued) ~ King, -Ken
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S/I/pg.2 Dinitro (DNOSBP) •• 11
Page 576:
S/I/4 SUBJECTINDEX{corrt Lnued ) S/
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Vol. 15â1961 - NorthEastern Weed Science Society