Vol. 16—1962 - NorthEastern Weed Science Society

382
Chemlcal.control ofMUlad .vegetation: ,oniSlIo\J1.der Areas of Main
',Track.:,: ,;,'" ,,'.;, ; B"f ,':''''~':lo 'I.'"
Our'purpose l;leJle'tato ~I:ItJDr retard,tbe .illlJwtbof all vegetation in
an area extending eight to ten feet from the ballut border. Thi .. treatment
should be desiined to improve tbe appearance of the railroad and maintaiJll
track ,drmnap Dy'preventing 'e'licr~meDtof veg."UIdrltnto ballast.
. :~;'l,'l";. :', .,.-, "Ie ~'l ,·;"t.~lr;·-r..: '. ::?:i
Unfortunately we know of nos'ingle chfimi'deflWMch wiU effectlvety ,
control ~he wide spectrum of vegetation found in shwlder areas. Varioul
chemicumixtul'e.Sha ... been u.. asiftthout .ueceJ.'~IW''ri'a.onable cost. MOlt
of thea.mixCaru·'COI1t"ht,acoti&R:tJknler'to redu'e.'ieg.tation to a. pre..;.~rJence
state. a iJoil',ete.Uaftt tG,contt'df ;Haies and, millit 'ah'uals and ,a hormone' "
matelJ'lcl 'to let '~oodt' pliante aad 'Il\oO*.'alea'ts. ' ;,0 b" , . r: '
" We, hav.;I1iJ~:coatact iimrla10n sbouldeil'-lt14~"'bul: satisfactory .
resultl r84uiN ,UpOcJ'th.e. appU~hl peT Year t~~;8nt'''areae and the, t.~t~(
coat :applied t~ cOJnPanble'to tbat'/6f i a.good co~bl~~ti tteatment whiC~:~~n
give lealOll cofttre1~th' onlnlplftfc.ar~n. ,,' ~,.i ; >''',
.' " ~~.' :', \' ,',I " '{d J.~,!),;.' ,~;t:,etC'.~).' .. I.",
We have also tried"eyli&A4l\C'ldl'llil"s :whlcb'\fb'generally more etf~~'.
tive than contact killers. but which do not give a lO~ J.li'~' even with two
applications per year.,,-
.. ,. Here again we'a1'e in'nee:a'b'fsomethinS~IW;:'l chemicalor mbf,~r~"
of chemicall which will p'i'ovidetCbm:~lete control of )ihoulder vegetation at a
COlt of $ZO per acre or leu would be mOlt desir~b1eJ . .
.' ;.: ;' _.~::' .";',r' t:,' ·.i > -~ 1., \'
WeedContl'ol
¢
on TrackandiShoulderA.rea~'~ Branch
dH l L! ,Y'
Lines
.
OU; purpouhel'e 'i8 t(H~.td growth or!r.ii\lc~ population of ~~~d.'
in the track ItructUl"e and on shoulder,S over a totalwidtb of 16 to ZOfeet.
Syltemic and i
chemicai;~c;;:~:~~:ot:;>~~~;~:~:~:t:~:; ·:~lt~~s:a;:r·i~~:t:':::.~n
we have beentestini weed control ,cn,e~ical~ sin,,,~~,ll~~LO~r proceclure is
:a~~~i~~I~:l::~~:~l:~a~J~~':a~~ ;:;.:I1:r;~:!~~~~I::~:·1a;::~~:,'