Vol. 15â1961 - NorthEastern Weed Science Society
Vol. 15â1961 - NorthEastern Weed Science Society Vol. 15â1961 - NorthEastern Weed Science Society
282. Early spring applications appeared advantageous for calcium arsenate, chlordane, and Mcthal. L:..13489 and zytron appeared to perform as 'well with May applications as with March and April applications. Table 1. Performance of eight pre-emergence crabgrass herbicides on Kentucky bluegrass turf. Chemioal. Rate/A Per cent Control Turfgrass Injuryl Calcium arsenate 784 96 1.5 Chlordane' 120 84 0.3 Dacthal 12 96 0.0 L-13489 '45 62 0.2 L-3l864 20 96 1.1 Lead arsenate 1089 29 0.2 Arsenl~al Zytron oomplex (Pax) 1089 20 35 89 0.9 0.1 10 = none, 1 = slight, 2 = moderate, 3 :0 severe, 4 = very severe to kill. 2APplied May 3, 1960. ,All others applied March 22, except L-13489 and L-31864 which were applied March 28.
Table 2. Effect of season of applying pre-emergence herbicides on crabgrass. control in Kentucky bluegrass turf. New Brun~wick, N. J. Chemical Calcium arsenate II Chlordane " Date of Treatment Rate of A~plic./A. Per cent Control 3-22 523 4-12 11 " II 5-3 " Av. 84 " II Dacthal II It II L-13489 II 11 " Zytron II " n 3-22 4-12 5-3 80 II " Injury Ratins 94 0.6 94 1.0 65 1.6 60 50 53 Av. 54 3-22 4-12 5-3 12 It II 95 88 65 Av. 89 3-28 4-12 5-3 30 II tI 41 39 48 Av. 43 3-22 4-12 5-3 20 " " 86 82 89 Av. 86 o 0.2 0.2 o o 0.3 0.2 0.1 o 0.1
- Page 231 and 232: 231. Conclusions The results publis
- Page 233 and 234: possibility of too severe thinning
- Page 235 and 236: PRE-EMERGENCEWEEDCONTROLTN ceRN s,
- Page 237 and 238: INCORPORATED ANDUNINCORPORATED·LIQ
- Page 239 and 240: ( ( ( Table 1. Weed Control Ratings
- Page 241 and 242: at both weed rating dates at Newark
- Page 243 and 244: DNBP - Zytron Mixture for Weed Cont
- Page 245 and 246: ~ •• 245. ·Res~1~8 fr.o.George
- Page 247 and 248: 247. Weed Control in Soybeans with
- Page 249 and 250: 249, EFFECTOF HERBICIDESONSEEDPRODU
- Page 251 and 252: 251. TABLE3. EFFECTSOF APPLICATIONS
- Page 253 and 254: 253. almost a week, with treatment
- Page 255 and 256: ( ( ( , Table 1. Effects of Various
- Page 257 and 258: Table 3. anal.ysi.s of Soil l,esidu
- Page 259 and 260: Results and Discussion ;llien the f
- Page 261 and 262: 4. Immediate treattlent injury to t
- Page 263 and 264: ( ( ( Table n. :'.!:sti.Jl'ated.'er
- Page 265 and 266: have very littla real II'+eaningas
- Page 267 and 268: 267. Table 2. Pre-emergence crabgra
- Page 269 and 270: 269 • ..., : Table 1.. 1960, Rain
- Page 271 and 272: 271. Chlordane must be used at rate
- Page 273 and 274: u • 2 ( ( ( t Table 3. Effect of
- Page 275 and 276: 275. Table 5. Effect. of preemergen
- Page 277 and 278: 277. In one area, the old turf was
- Page 279 and 280: 279. following application. The hig
- Page 281: 2$1. The standard date of applicati
- Page 285 and 286: L 1-l34B9 ,Jiphenyllactelonitrile o
- Page 287 and 288: 287. Halts F-24, Halts F-26, Halts
- Page 289 and 290: POST-.EJ.iEhGENCE CONThOLOF CIiABGI
- Page 291 and 292: ,veedone at 4 pounds of tL.cl per a
- Page 293 and 294: ( ( ( Table I. Post-Emergence Contr
- Page 295 and 296: • •• ., .. • •• ',' •
- Page 297 and 298: 297. compatible with grub-proofing
- Page 299 and 300: 299, Diphenatrile Results During th
- Page 301 and 302: 301. tentative generic name triflur
- Page 303 and 304: - 1 PRE-ENERGENCE CRABGRASS CONTROL
- Page 305 and 306: Discussion 30; • a) Pre-emergence
- Page 307 and 308: 307. TABLEI -- Comparison of Produc
- Page 309 and 310: -' Table II (can't) 309. Stand of S
- Page 312 and 313: 312. THEEFFECTIVENESSOF COMBINATION
- Page 314 and 315: 314. Table 2. Stand Counts and Sile
- Page 316 and 317: 316. planted control before these h
- Page 318 and 319: Table II. The control of quackgrass
- Page 320 and 321: 320. growing season in the 1957-59
- Page 322 and 323: 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
Table 2. Effect of season of applying pre-emergence<br />
herbicides on crabgrass. control in Kentucky<br />
bluegrass turf. New Brun~wick, N. J.<br />
Chemical<br />
Calcium arsenate<br />
II<br />
Chlordane<br />
"<br />
Date of<br />
Treatment<br />
Rate of<br />
A~plic./A.<br />
Per cent<br />
Control<br />
3-22 523<br />
4-12<br />
11<br />
"<br />
II<br />
5-3<br />
"<br />
Av. 84<br />
"<br />
II<br />
Dacthal<br />
II<br />
It<br />
II<br />
L-13489<br />
II<br />
11<br />
"<br />
Zytron<br />
II<br />
"<br />
n<br />
3-22<br />
4-12<br />
5-3<br />
80<br />
II<br />
"<br />
Injury<br />
Ratins<br />
94 0.6<br />
94 1.0<br />
65 1.6<br />
60<br />
50<br />
53<br />
Av. 54<br />
3-22<br />
4-12<br />
5-3<br />
12<br />
It<br />
II<br />
95<br />
88<br />
65<br />
Av. 89<br />
3-28<br />
4-12<br />
5-3<br />
30<br />
II<br />
tI<br />
41<br />
39<br />
48<br />
Av. 43<br />
3-22<br />
4-12<br />
5-3<br />
20<br />
"<br />
"<br />
86<br />
82<br />
89<br />
Av. 86<br />
o<br />
0.2<br />
0.2<br />
o<br />
o<br />
0.3<br />
0.2<br />
0.1<br />
o<br />
0.1
Change language