Vol. 15—1961 - NorthEastern Weed Science Society

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Table 2 - Results of chemicais applied in January and April, lS60, by three different
methods at the concentration of 6 pounds to 100 gallons of oil, which show
the percentage of resprouting and survival of original stems of black locust,
sassafras and sumac as compared with the percentage of resprouting and survival
of original stems of other species
I
Methods of appli- JANU!!.RY,_1960 ....i__ .:.- !.p!!.IL, 1960
cation and amount l%Orig. 1 '.,J!.s.ar .2,u!,i nL I % Orig.· L %Resl!.1:o;tiri.- - - - - I
of chemicals per 'stems I 1/ £/ BL.S.&S. stems I 1/ - - £/ - BL:-S:-&S.!
100gallon.,! 2.£_o!l __ ~a!.ive__ .J..BL.S.&S~ _ .Q.the!.s_ -:+_O!,her.! ~ al!v.!. __ I!L~S~&S._. _Other.!. _:t. .Q.'the!:.s~
Stem broadcast 1/ ': . 1 I I
f I I I
Technical T 6 lb.. I .7 : 174 23 61 1 ..04 I 179 19 91 I
Formulated T .. I .7 I 233 35 94 1.2 I 153 11 67 I
Technical D&T II J .7 180 35 94 1.4 I 149 14 62 I
Formulated D&T 11 I ~ : 185 48 110 I .05 I 152 ~ 65 I
Method average co I .7 I 194 34 89 I .2 f l57a 16 68a I
Stem broadcast & soil 1/ I . :: 1
I I 1
Technical T 6 lb. 1 .2 1 127 30 65 I 0 1 144 9 66 I
Formulated T II I .2 I 143 24 68 I 0 144 10 64 I
Technica.l D&T II I .4 1 224 40 96 , 0 : 146 21 71 I
Formulated D&T II , ..d.- I 162 ~ 2.!- I ~ .1.163 !L 71 I
Method average (%) 1.2 I 163 32 69 I .1, . 149a 13 68a I
3/ I f
J;Jroadcast basal & soil - I f I 1
, J I I
Technical T 6 lb. I .4 1 138 21 49 1.6 I 79 8 36 I
Formulated Til, .9 , I 143 35 56 1.4 I 73 6 40 I
Technical D&T .. I .6,' I 178 33 64 1.3 , 83 7 41 J
Formulated D&T II , ~ I 187 ~ BL- I ~ I 129 -L- 75 I
Method average (%) I .6 , 159 . 34 60: .4 I 91 b* 8 48 b* ,
Check (cut) I 0 I 176 213 209 J 0 I 323 . 255 294 I
___________ ~ L ~-------------~
* Figures in a vertical column followed by a different letter are significantly different.
1/ Composed of black locust, sassafras, and sumac. '}../ Explained in the text.
~I Comp~sed of red oaks, white oaks, maples, etc.
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