Vol. 15â1961 - NorthEastern Weed Science Society
Vol. 15â1961 - NorthEastern Weed Science Society Vol. 15â1961 - NorthEastern Weed Science Society
166. StlMMARY . The following h~rbiciae treatments were effective in control-ling broad-leaved weeds and grasses in a strawberry planting from June 21 to Se~~ 1. . '. .... ; . , Treatment 6 -- .S1mS.s1neJ..5 Ib/A on June 21, followed by ,,' . Karsil 41bLA qn.·July 21. Treatment 2 -- Eptem b lb/A on June 20, followed by Karsi1 . 4 lb/A + Simaz:1ne 1.5 lb/A .01,1 July 21. Trea.tment 4 -- Karsi1 .. 1b/A + Simazine 1.5 Ib/A on June 21, followed by Karsil .. lb/A on July 21. In add1 tion, the following 'bwo herbicide 'treatments were effective in controlling broad-leaved weeds and would probably be satisfactory for general weed control if grass control were not a serious problem. Treatment 7 -- Dinoben 4 1b/A on June 21, followed by , , Karsil 4 lb/A + Simazine 1.5 lb/A on July 21 Treatment 5 -- Karsi1 4 lb/ A on June 21 followed by Karsil 4 lb/A + Simasine 1.5 1b/A on July 21. The'foregoing treatments pve satisfactory weed control without readily apparent injury to strawberry plants and without reducing the plant stand to a signifi~ant extent. The authors are indebted and grateful to Dr. R. S. Dunbar, Statistician, West Virginia University, ,for the analyses of data • . The cooperation of the following c~ies in supplYing the herbicides used in this experiment is also gratefully acknowledged: .AmchemProducts, Inc. ,:Diamond Alkali Company, Geigy Agricul.t'!ll'al Chemicals, Niagara Chemical DiVision of Food Machinery and chemical Corporation, and Stauffer Chemical COmpa:1 y. .
167. Maleic Hydrazide for Weed Control in Cranberries C. E. Cross and 1. E. Demoranvl1le o Intro duc,tion Some field exper1mentswith maleic hydrazide were set out on cranberry vines shortly after World War 11. These were designed to assist the early coloring of the fruit, and to test thepossibl1ity of controlling such annual Brasses as Digitario and Aristida. The .chemical showed little promise in either direction. In 19S6. Dana (1) reported the selective control of senaitive fern. Onoclea. in WisconS'j,ncranberl:'ies.. Da.n4. (2). 'in 1960. further indicated control of perennialsmartweed (Polygonum) and possible control of marsh.St.Johnswort (Ryperic\Ul1virginicUJIl) using 10 lbs •. actuaIMH ..30 per acre.' but indicated some inju,ry to. ,flo~r buds in tl;le succeeding year., Marucci and Moulter (3) have succeeded in reducing the length of runner growth of NewJersey cranberry vines by mid-season treatments of maleic hydrazide and without adverse effects on fruit production. Methods . In July and August. 19S9~ several aeries of %-rod plots were set out on various cranb~rry bogs in Barnstable County. These were set out under conditionD of bigh relative humidity to determine the effectiveness of several rates of caleic hydrazide primarily on feather fern (TheJypteris). sensitive fern (Onoclea), royal and cinnamon ferns (Osmunda sps.). and wild benn (Apios). Rates of S. 10 ~nd IS lbs. actual per acre were used. the material. mixed with water apd applied at the rate of 300 gallons an acre with a knapsack sprayer. . . .' ~ In mid-April. 1960. a. series of plots was set out on a so-called "dry bog" to test the possibility of inhibiting bud development sufficiently to prevent or reduce injur~ from late April and May frosts. 'Beginning in June. 1960, several series of test plots. and some small commerclal-sb:ed,plots were ~et out with knapsack and power sprayers using vo-rious rates up, to IS lba.,actual/acre. and us:1ng 100 to 300 gals. of solu t~on per acre, and'setout on a great variety of weed species. Results and Conclusions A., I!!! crop plant. . None of the plots so far treated haJi been fo'Howed by any apparent injury to cranberry vines. , Applications in_April retardbuddavelop~e~t to some extent over a pertod of 3 or 4 weeks, but actual blooming time is delayed by one week ,or less. and the flowering and set of .fruit appearednormol. a. Head of Department and Instructor, respectively, Cranberry Experiment Station, University of Massachusetts, East Wareham, Mass.
- Page 115 and 116: 115~ Table 3. Mean markebab l.e 9£
- Page 117 and 118: 1170 Chemical Weed Control Charles
- Page 119 and 120: 119. Table I .. Weed contrOl! plant
- Page 121 and 122: 121. '- The stand of plants of bo
- Page 123 and 124: 123. Table II. Weed control stand a
- Page 125 and 126: EFFECTOF SEVERALHERBICIDESONEARLYYI
- Page 127 and 128: Table 2. Calcula.ted ecre yields of
- Page 129 and 130: 129. - Treatment Average weight per
- Page 131 and 132: -- The herbicides were applied on J
- Page 133 and 134: 133. Table 2. Effect of pre-plant h
- Page 135 and 136: - 135. Dim tro for Weed Control in
- Page 137 and 138: PJ,OORESSREPORT:ON.:WEEJhCGNTROL IN
- Page 139 and 140: - Simazine 2 and 2 1/2 lb./A and at
- Page 141 and 142: 141. Results - .l2.22 Table 2 shows
- Page 143 and 144: - !!!! Applications 143. The plots
- Page 145 and 146: 145. Conclusions ADexperiment carri
- Page 147 and 148: 147. Residual herbicide activity wa
- Page 149 and 150: - Table 1. Herbicides and Rates Use
- Page 151 and 152: ~ __ ( ( ( Table 3. WeedControl on
- Page 153 and 154: 153. TreatiD§ Established Hemlock
- Page 155 and 156: 155. flowering and growth in the sp
- Page 157 and 158: 157. Table 2. Pansy Weed Control (P
- Page 159 and 160: 1590 Table 3. Herbicides Used on Tu
- Page 161 and 162: ------- -------------_._------ ..
- Page 163 and 164: '. 163. In .Table 3 Co.mpariS01'U$
- Page 165: 1.65. "'-" Ia.!!l.! ! __!ind_a!!,d_
- Page 169 and 170: 169. 1. Dana, M. N. Sensitive Fern
- Page 171 and 172: 171. -' Table 1. Amino triazole res
- Page 173 and 174: 1730 Additiona! apple .,samples wer
- Page 175 and 176: more consistently effective than 5
- Page 177 and 178: 177. HUBICIDES roll YOUNGAPPLE TUES
- Page 179 and 180: --. Table I. Treatments No. Materia
- Page 181 and 182: Table 1 -Effect of Granular Formula
- Page 183 and 184: iss. BVAWATIONor rIVE HEIBICIDES 10
- Page 185 and 186: PROGRESSREPORT'ON WEEDCONTROL IN CA
- Page 187 and 188: "'- Table' 1. Herbicide,s Used inCa
- Page 189 and 190: 189. Tabl\7 5. Rating ot BroodIest
- Page 191 and 192: WEEDGONTROLIN SWBE:rCORNWITHDACTHAL
- Page 193 and 194: D. FlantinB A!Plication of Thiolcar
- Page 195 and 196: Table 2. Rainfall, Monmouth, Maine
- Page 197 and 198: 197. Table 4. rercent> Broadlear We
- Page 199 and 200: 1-. . " Table 6. Percent Broad1eaf
- Page 201 and 202: '\) 0' ,.... • ( ( ( Table 9. Y
- Page 203 and 204: ANNUALWEEDCONTROLIN POTATOESWITHDNB
- Page 205 and 206: ·205. Percen t Woad Can trol ·196
- Page 207 and 208: , r t"
- Page 209 and 210: Table 5. Annual Broadleaf Weed Cont
- Page 211 and 212: 211. Table 9. Effect of fast-Emerge
- Page 213 and 214: 2130 Conclusion There are quite a n
- Page 215 and 216: SOMERESEARCHANDWEEDCONTROL METHODS
167.<br />
Maleic Hydrazide for <strong>Weed</strong> Control in Cranberries<br />
C. E. Cross and 1. E. Demoranvl1le o<br />
Intro duc,tion<br />
Some field exper1mentswith maleic hydrazide were set out on cranberry<br />
vines shortly after World War 11. These were designed to assist the early<br />
coloring of the fruit, and to test thepossibl1ity of controlling such annual<br />
Brasses as Digitario and Aristida. The .chemical showed little promise in<br />
either direction. In 19S6. Dana (1) reported the selective control of senaitive<br />
fern. Onoclea. in WisconS'j,ncranberl:'ies.. Da.n4. (2). 'in 1960. further indicated<br />
control of perennialsmartweed (Polygonum) and possible control of<br />
marsh.St.Johnswort (Ryperic\Ul1virginicUJIl) using 10 lbs •. actuaIMH ..30 per acre.'<br />
but indicated some inju,ry to. ,flo~r buds in tl;le succeeding year., Marucci and<br />
Moulter (3) have succeeded in reducing the length of runner growth of NewJersey<br />
cranberry vines by mid-season treatments of maleic hydrazide and without<br />
adverse effects on fruit production.<br />
Methods<br />
. In July and August. 19S9~ several aeries of %-rod plots were set out on<br />
various cranb~rry bogs in Barnstable County. These were set out under conditionD<br />
of bigh relative humidity to determine the effectiveness of several<br />
rates of caleic hydrazide primarily on feather fern (TheJypteris). sensitive<br />
fern (Onoclea), royal and cinnamon ferns (Osmunda sps.). and wild benn (Apios).<br />
Rates of S. 10 ~nd IS lbs. actual per acre were used. the material. mixed with<br />
water apd applied at the rate of 300 gallons an acre with a knapsack sprayer.<br />
. . .' ~<br />
In mid-April. 1960. a. series of plots was set out on a so-called "dry<br />
bog" to test the possibility of inhibiting bud development sufficiently to<br />
prevent or reduce injur~ from late April and May frosts.<br />
'Beginning in June. 1960, several series of test plots. and some small<br />
commerclal-sb:ed,plots were ~et out with knapsack and power sprayers using<br />
vo-rious rates up, to IS lba.,actual/acre. and us:1ng 100 to 300 gals. of solu<br />
t~on per acre, and'setout on a great variety of weed species.<br />
Results<br />
and Conclusions<br />
A., I!!! crop plant.<br />
. None of the plots so far treated haJi been fo'Howed by any apparent injury<br />
to cranberry vines. , Applications in_April retardbuddavelop~e~t to<br />
some extent over a pertod of 3 or 4 weeks, but actual blooming time is delayed<br />
by one week ,or less. and the flowering and set of .fruit appearednormol.<br />
a. Head of Department and Instructor, respectively, Cranberry Experiment<br />
Station, University of Massachusetts, East Wareham, Mass.
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