Vol. 16â1962 - NorthEastern Weed Science Society
Vol. 16â1962 - NorthEastern Weed Science Society Vol. 16â1962 - NorthEastern Weed Science Society
172 Appendix Alanap NaugatuCk.~a(.,sodil.JDl N-l_naphthyl:phthalamate AmiPen(gran.) ·...Amqhem l~ 3-amino-2,!)-di~orcbenzoic acid on 24-48 .attaclay Casoron Niagara ~~ 2,6-dichlorobenzonitrile Casoron (gran.) Niagara 4%2,6-dichlorobenzonitrile Dalapon (gran.) Dow '1~ salt of sodil.JJl1,2-dichloropropionic: Dalapon Dow8~ salt of sodil.JJl12,2-dichloropropionic DNBP Dow '3 lb Igal. alkalarnine salt 4,6-dinitro-,Q" ~ec-butyl phenOl Eptam,(gran. ) Falone Falone (gran.) Ipazine Prometryne Trietazine Zytron Zytron '(gran.) Stauffer Naugatuck Naugatuck Geigy Geigy Geigy Dow Dow ,5% ethyl N,N-di-n-propylthiolcarbarnate , .~ Ib 1981. tris.(2.4-dichlorophenoxyethyl phosphite) , 1~tris-(2,4-dichlo1'Ophenoxyethyl Atrametryne Geigy 2~ethylamino-4-isopropylarnino-6-methylmercapto-£-triazine 2!)%2-chloro-4-(diethylarnino)-6-(isopropylamino)-A-triazine 2,4-bis triazine 2-chloro-4-(ethylarnino)-6-(diethylamino)-£triazine 2 lb Igal. O-(2,4-dlchlorophenyl) O-methyl isopropyl phosphoramiQothioate ' 25%O-(2,4-dichloropHenyl) phosphorarnidothioate' phosphite) (isopropylamino)-6-methymercapto-2~ O-methyl isoprOP~l
~/Pe.nt>:r lITn. h.7(L T1o:oTl.,:r+.m .. n+. nt' V.. a,,+ ..,hl .. ("",rona ("ro",n .. ll TTn'hr .. ",,,i+.v T+.h .. ".. IILV_ CHEMICAIBFORWEEDINGrorJlM&i!.J ON MUCKANDUPLANDSOILS 173 , R. D.Sweet, J.e. Cialone, R. HliIorgan Department of Vegetable Crops,COrneil UlI.iversity Potatoes are one of the leading inter-tilled crops of the Northeastern United States. New York is second to Maine in total production. Although the most concentrated area of production in NewYork is on Long Island, significant concentrations of production exist in several upstate areas so that in total there is about the same acreage, currently 44,000, in each region. - Generally speaking, the Upstate regions have shorter spring and fall . seasons than Long Island. Consequently, the crop is in the ground for only three or four months as compared to four to six months 'on Long Island. Furthermore, weeds such as annual grasses and nutgrass which germinate and grow Vigorously only at warm temperatures start fairly soon 'after planting in Ups1,;ate areas, but ~ not start for one or two months after planting on Long Island. Upstate the potato plant especially on muck grows fairly rapidly and is likely to provide heavy shade early in the season and continue to prOVide shade until Just prior to harvest. In contrast, Long Island potatoes start slOWly and, in addition, are often left in the field a month or two after the .foliage has been drastically reduced in vigor. The purpose of these tests was (A) to investigate under Upstate field conditions the relative merits of selective herbicides which have been previously reported satisfactory and (B) to evaluate new chemicals for their potent1ai as selective herbicides. ' Field Testing of Herbicides COllllllercial fields at two locations, one muck and the other gravelly loam were chosen as sites for testing the relative merits of several herbicidal" which had been reported as selective and effective in potato weed control., At both 10catiotlS treatments were made pre-emergence Imd early post-emergence. In the pre-emergence treatments, no eultivatiml was given except at hilling. The other plots were cultivated normally. Post-emergence application was made a week prior to "lay-by" on the muck, but on the mineral soil 'treating was actU8illy at lay-by as far as the plots were concerned ewen though the crop was only 1 -' 4 inches tall. On muck, however, the plants were knee-high anda1lllost-'touoli1ng bet_eli rows. The crop was planted on mineral so11 about May 22 and treated June 1 at).d June 15. The muck crop was planted May " and treated May 24 and June 28. There vere four replications with individual plots 3 x 15 feet pl.anted to one row of crop. Results of the pre-emergence applications on bOth soils are presented in table 1. It can be seen from these data that muck so11 greatly reduced the relative herbicidal effectiveness of several compounds. namely. Hercules 8043, Dacthal) Zytron.and RobInand ~ F-34. Moderate eduction in herbicidal effectiveness was noted for T1llam, Hercules 7531 and Dinitro granular and liquid. Trietazine was inconsistent. On the other hand, CDEC+CDAAwas more
- Page 121 and 122: fJ Table 3. CcBparison of Several.
- Page 123 and 124: c
- Page 125 and 126: Table 1. Seeding and Weed Counts on
- Page 127 and 128: WEEDCONTROLANDTHE IMPROVEMENT OF SE
- 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: Table 3. Post-hilling weed control
- Page 175 and 176: In table 2 are presettted weed a*1'
- Page 177 and 178: Since rec1root is only one of the I
- Page 179 and 180: w.l.th 3 and 4 Ibs. ot Randox per a
- Page 181 and 182: 181 CONTROLOF ANNUALWEEDSIN pOTATOE
- Page 183 and 184: The following comments on the vario
- Page 185 and 186: 185 S\:U!U!1fryand ConclWtlon No he
- Page 187 and 188: 187 Table 2. Potato YIelds Followin
- Page 189 and 190: Residue analysis of potatoes treate
- Page 191 and 192: soil temperatures at the time the m
- Page 193 and 194: ( ( ~able 2. Effect of Several Che~
- Page 195 and 196: 195 PROBLEMSIN THEAPPLICATIONOF HER
- Page 197 and 198: 197 scale tests on 2 cOlJllllercial
- Page 199 and 200: l!!!! Experiment A factorial experi
- Page 201 and 202: frOlll plot. at .horter i*nalt (~ t
- Page 203 and 204: 6.50 Table 1. Effe,ct of p"e- an
- Page 205 and 206: 205 EVALUATION0It' DACTHAL * HERBIC
- Page 207 and 208: The 1959 and 1960 replicated field
- Page 209 and 210: 209 TABLEII Average Weed Cont~l Exh
- Page 211 and 212: Where the weed eompleJl;conststs of
- Page 213 and 214: ...... 1.67, 213 Table 1. Effect of
- Page 215 and 216: 215 Table 2. Bffect of pre-plant he
- Page 217 and 218: .217 Pive pre-plant herbicide. were
- Page 219 and 220: 219 Table 1. Effect of pre-p1anthel
- Page 221 and 222: Table 2. tilat' of pre-plantbftb.tc
~/Pe.nt>:r lITn. h.7(L T1o:oTl.,:r+.m .. n+. nt' V.. a,,+ ..,hl .. ("",rona ("ro",n .. ll TTn'hr .. ",,,i+.v T+.h .. ".. IILV_<br />
CHEMICAIBFORWEEDINGrorJlM&i!.J<br />
ON MUCKANDUPLANDSOILS<br />
173<br />
, R. D.Sweet, J.e. Cialone, R. HliIorgan<br />
Department of Vegetable Crops,COrneil UlI.iversity<br />
Potatoes are one of the leading inter-tilled crops of the Northeastern<br />
United States. New York is second to Maine in total production. Although the<br />
most concentrated area of production in NewYork is on Long Island, significant<br />
concentrations of production exist in several upstate areas so that in total<br />
there is about the same acreage, currently 44,000, in each region. -<br />
Generally speaking, the Upstate regions have shorter spring and fall<br />
. seasons than Long Island. Consequently, the crop is in the ground for only<br />
three or four months as compared to four to six months 'on Long Island.<br />
Furthermore, weeds such as annual grasses and nutgrass which germinate and grow<br />
Vigorously only at warm temperatures start fairly soon 'after planting in<br />
Ups1,;ate areas, but ~ not start for one or two months after planting on Long<br />
Island. Upstate the potato plant especially on muck grows fairly rapidly and<br />
is likely to provide heavy shade early in the season and continue to prOVide<br />
shade until Just prior to harvest. In contrast, Long Island potatoes start<br />
slOWly and, in addition, are often left in the field a month or two after the<br />
.foliage has been drastically reduced in vigor.<br />
The purpose of these tests was (A) to investigate under Upstate field conditions<br />
the relative merits of selective herbicides which have been previously<br />
reported satisfactory and (B) to evaluate new chemicals for their potent1ai as<br />
selective herbicides. '<br />
Field Testing of Herbicides<br />
COllllllercial fields at two locations, one muck and the other gravelly loam<br />
were chosen as sites for testing the relative merits of several herbicidal"<br />
which had been reported as selective and effective in potato weed control., At<br />
both 10catiotlS treatments were made pre-emergence Imd early post-emergence. In<br />
the pre-emergence treatments, no eultivatiml was given except at hilling. The<br />
other plots were cultivated normally. Post-emergence application was made a week<br />
prior to "lay-by" on the muck, but on the mineral soil 'treating was actU8illy at<br />
lay-by as far as the plots were concerned ewen though the crop was only 1 -' 4<br />
inches tall. On muck, however, the plants were knee-high anda1lllost-'touoli1ng<br />
bet_eli rows. The crop was planted on mineral so11 about May 22 and treated<br />
June 1 at).d June 15. The muck crop was planted May " and treated May 24 and<br />
June 28. There vere four replications with individual plots 3 x 15 feet pl.anted<br />
to one row of crop.<br />
Results of the pre-emergence applications on bOth soils are presented in<br />
table 1. It can be seen from these data that muck so11 greatly reduced the<br />
relative herbicidal effectiveness of several compounds. namely. Hercules 8043,<br />
Dacthal) Zytron.and RobInand ~ F-34. Moderate eduction in herbicidal<br />
effectiveness was noted for T1llam, Hercules 7531 and Dinitro granular and<br />
liquid. Trietazine was inconsistent. On the other hand, CDEC+CDAAwas more