Vol. 16â1962 - NorthEastern Weed Science Society
Vol. 16â1962 - NorthEastern Weed Science Society Vol. 16â1962 - NorthEastern Weed Science Society
') ') !a~l~ !.__ ~~ ~f_~r~~£o!!.d!t!o~_t~rJ!e!.d_t!:i~ ~tl_b!:.o£c~J.!,..:.C!b~.~~_C!U!.1!.l~~ _ ;-
83 Susceptible weeds Tolerant weeds Dacthal, Zytrfl) and CDEC+CDAA:!:I lambsquarters, redroot Eragrostis sp. purslane crabgrass, ragweed, nutgrass, bartlyard smartweed Equisetum gras s , galinsoga. De.cthal CDEC+CDAA Crop Responses no symptoms on $!JYcrop at no symptoms on $!JYcrop at $!JYlocation. $!JYlocation. Zytron Three instances of severe' foliage symptoms in 15 tests. - Two of these ,"'ere due to the liquid formulation. One occurred on direct-seeded broccoli. y Chemicals gener6lly performed similarly on the several weed species. However, in lII08t locations the level ot weed. cont1'01 :W815sUgbtly lower with CDEC+CDAA. Broccoli and cabbage were combined in alternate rows in experimental fields at locations 4 and. 5. All other tests weree1:tuated in growers· fields. In these instances the entire crop production with the exception of weed eontrol was according to the commercial practises of the particular grower. DacthalWP was applied at 8 and 24 pounds; zytrtm either liquid or granular at 8 and 12 pounds; CDECgranular was combined nth enAAgranular at 2+2 and 3+3J.bs. - ;;, Results and Discussion. A sUllllll8rYof crop and weed response is presentell in Table 2. Both De.-ethal and granular Zytron at 8 pounds per· acre resulted in good. weed control, and. good crop tolerance on all crops whether direct-seeded or- transplanted. - De.cthal proved to be safe under all conditions"~.,en at rates three-fold, which were needed for weed control. In the earliest tests, Zytron liquid, however, proved toxic to crucifer foliage. The symptoms were chlorosis in areas of the leaf where spray accumulated; cupping of leaves was also noted. General stunting of growth accompanied theaesymptoms. Zytl"On granular was, therefore, substituted in the later tests, and no damage to fol:1age was evident. The$s symptoms of damage were generally. outgrown at barve8tand yields were usually satisfactory. Zytron at 12 poun4s caused some damaseat one location even' on the seeded crops. This indicates a possible narroW:'Bafety margin. Weed control was generally good with both Zytronand De.ctb61. -lli!l't;h materials were effective agb-inst redroot pigweed, laIJIbsquarters, purslane, crabgrass and Eragrostis megastacbya. Neither material controlled ragweed, smartweed, barnyard grass, gallinsoga, Equisetiem sp., or northern nutgrass.
- Page 31 and 32: a copious precipitate deposits afte
- Page 33 and 34: B) A general review of the subject
- Page 35 and 36: This narrative of ineptitude must b
- Page 37 and 38: does Jo run a recreational facility
- Page 39 and 40: Another pote1U:ialuse for chemicals
- Page 41 and 42: Newapproaches in the use of herbici
- Page 43 and 44: 43 sentence would bear this out". T
- Page 45 and 46: More and more each year since the a
- Page 47 and 48: 11. Rice, E. J. The effects of cUlt
- Page 49 and 50: PFSI'ICIDESUSED - - - - - - - - - -
- Page 51 and 52: __..:I whether or not these apparen
- Page 53 and 54: Dosage. Ib./acre Dimethyl tetrachlo
- Page 55 and 56: ~ ~_~ __ L L Table 2. Weed Susceoti
- Page 57 and 58: - - - - - - - - ~, - - - - --- - -
- Page 59 and 60: Table 7.. Weed Control in :l:!c,Ql1
- Page 61 and 62: Table '1. Rat.1lISstI 'Of carrot an
- Page 63 and 64: H , 'ta~l!. g,._~e~_O!~ut~• .:.:.
- Page 65 and 66: 65 plant press and dried in a f~ced
- Page 67 and 68: 67 Tablet. 'lIi! EFFECT'or AN'INO'l
- Page 69 and 70: 69 THE INFLUENCE JIt P.I!ll'ROLEUM
- Page 71 and 72: 71 1 CDEC(Ee) 2 " " 3 4 " 5 " " 6 7
- Page 73 and 74: !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: Selective Herbicides for Several Cr
- 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 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
83<br />
Susceptible<br />
weeds<br />
Tolerant<br />
weeds<br />
Dacthal, Zytrfl)<br />
and CDEC+CDAA:!:I<br />
lambsquarters, redroot<br />
Eragrostis sp. purslane<br />
crabgrass,<br />
ragweed,<br />
nutgrass,<br />
bartlyard<br />
smartweed<br />
Equisetum<br />
gras s , galinsoga.<br />
De.cthal<br />
CDEC+CDAA<br />
Crop Responses<br />
no symptoms on $!JYcrop at<br />
no symptoms on $!JYcrop at<br />
$!JYlocation.<br />
$!JYlocation.<br />
Zytron<br />
Three instances of severe' foliage symptoms in 15 tests. - Two<br />
of these ,"'ere due to the liquid formulation. One occurred on<br />
direct-seeded broccoli.<br />
y Chemicals gener6lly performed similarly on the several weed species.<br />
However, in lII08t locations the level ot weed. cont1'01 :W815sUgbtly<br />
lower with CDEC+CDAA.<br />
Broccoli and cabbage were combined in alternate rows in experimental<br />
fields at locations 4 and. 5. All other tests weree1:tuated in growers· fields.<br />
In these instances the entire crop production with the exception of weed eontrol<br />
was according to the commercial practises of the particular grower.<br />
DacthalWP was applied at 8 and 24 pounds; zytrtm either liquid or granular<br />
at 8 and 12 pounds; CDECgranular was combined nth enAAgranular at 2+2 and<br />
3+3J.bs. - ;;,<br />
Results<br />
and Discussion.<br />
A sUllllll8rYof crop and weed response is presentell in Table 2. Both De.-ethal<br />
and granular Zytron at 8 pounds per· acre resulted in good. weed control, and. good<br />
crop tolerance on all crops whether direct-seeded or- transplanted. -<br />
De.cthal proved to be safe under all conditions"~.,en at rates three-fold,<br />
which were needed for weed control. In the earliest tests, Zytron liquid,<br />
however, proved toxic to crucifer foliage. The symptoms were chlorosis in areas<br />
of the leaf where spray accumulated; cupping of leaves was also noted. General<br />
stunting of growth accompanied theaesymptoms. Zytl"On granular was, therefore,<br />
substituted in the later tests, and no damage to fol:1age was evident. The$s<br />
symptoms of damage were generally. outgrown at barve8tand yields were usually<br />
satisfactory. Zytron at 12 poun4s caused some damaseat one location even' on<br />
the seeded crops. This indicates a possible narroW:'Bafety margin. <strong>Weed</strong> control<br />
was generally good with both Zytronand De.ctb61. -lli!l't;h materials were effective<br />
agb-inst redroot pigweed, laIJIbsquarters, purslane, crabgrass and Eragrostis<br />
megastacbya. Neither material controlled ragweed, smartweed, barnyard grass,<br />
gallinsoga, Equisetiem sp., or northern nutgrass.
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