Vol. 15—1961 - NorthEastern Weed Science Society

cut over several year. ,b.elozoe.·leav~gOQ1J.1QblollJ'.piD.•.• eed tree.. Sufficient
pine regeneration was'obtain., bUt ~ as you can see, hardwood brush
deve.loped 81.S0, c.OIIple~ly ~:f.M tol the pine .eedlings. !be uext
.lide will give J.QUano1:,-r lo.c*:.C· _r.ea iD.-ation, .... you wi11bOtice
that anoccasional.plUe ~& ... ,..k ..... dlroup. the brush cUopJ •. !:
_abt _ll~1Pn that, ~I'e: ...... very U-.J,e ad _pie: don.th18; area. The prillllry'
coiDpoQents were .~~pa.DO, yazoj,ous ,.,acies of Teel oK plUll aoiiIe hiCkory,
white oak,. dogwoocl., ... "lack. .... .:, '. .' . . . .
'. The next . two slU.~ ,how bow·the .re •. appe.~ecl_out .'thr.e .. tu after
sprayiag the IIJ1sc 1»1.,.1'. ·~thouab~;·of; actualhariw004 .kill cu­
not be re.ily .~et.rJADed· UIltil the ''''1' of 1961, ititotivioUl frOllltlle.e
wit' .
pf.c~res that ioOet· h&t4woodcQlltC'ol, was obtainechTllesurpri.iD& thtl:lg' t. '
th8:t' .everal. tall bard~ ·cr •••. ,.. r.killed ·althGUsh:.1tO .ffort:~_s Md.to
treat the.e st_, ~ tll.t;tt;wa@ ItO w1Il4blcN1qli' temperatut. 'COn41tloaef :.
mu.t have caused conVectioriucurrent. which lifted the fine apray into these
cr~. ,c ,"
A l.rae
.f_
~t :Q~ pine-b.u.~'''''' DOteet aoqn. ·after Sprayin8f •• iWlCi.t~y
close t~ the spray 1lrMt8. ~t 'of t_· defol:btt.ed: .t .. ~a~.IY :began .'
~'f ar~tl1l.~r.·"- pat ~rl". iDdicua, they'1d11 recover. Very
few p~i can .be ... 111. the.. la.', two .,u •• '&Ie td .....fotWiOli'~' JI'
am .ure sillil.r picture. taken at the aDd of next .UD8er will gtve a much
better impres.ion of this treatment as· far as pine recovery is concerned.
Ia. adel'ttion to.it&t s .~~ blqwel' ,work in '1960,' 158 ,acre. in slldl" .
conclltion to t~ .. 11,uea,~8C~J.)le4 pl'.vlOWlly, were .prayed' by hattcopter
U8~gth. c"'~.l ~~ra. ,tlll.i8 cOlUlidered: • ..t. ... r.tio.l; cOMeqUe~~11'
J10 quantit.t~Ye"'ur tsar. aohacluled. It will be· -&:4.~.
to' d~D8tt.'.te tOCOllP~1·R.r l .Juiat what' ·0_1». accoepllahed with ..... ut
spraying.' At .tl!epresen.c. ·co.rolreaults look gODd.but perhaps not ••
striking .. the mist blower work~ At the a.. t1.llle. it appear. that there
was less pine n~le bum .w1ttLthia _thod 0.£ appl1Ca.ttoa.
. .'.
ODe.,oint wor'~Jt ,~ttn8 Coaeeru dae-.tter of flaaatnl.·AI I It_te4
earlier. we have alway a .had trpuble wi.tA taia factor •. III a.a,.Rtion, ~1
manege4 tc) ~~iQ several' tub~ Wlatul' kllooaa that ·iDfil ... ··to about 30'
inche.in du-teJ:. ,l'le filled ~ "itll bali_ .•• i at'Cuh.' thea· to ayloa'
lin.a at the .lIIlof b~. pol... A to.tal· heisht of· 50 feat prew4··
.1.0Jaa .
sufficient, aDd thaY:t?OIJldbe .... lly .... :l'ol.'r •.OM~ elistane& •. TIlb' tamed 'out
to be the best f1aulna teclaique we have ",N4 .o'far.· The O81y difficulty .
eocouncerecl was~t,.r.... tecl applicatiou of .• pra,.MUrial on· the rubber
cauae4 the b"ll00nst~ deterlor.t, aQII~ bv.t:st.We feel t"~ Chb caabe .J'
... Uy solved in th.· future by covering each balloon with a large polyethyleDe
baa•
..4* .' f .... l it_ 011. ()JII'·~PJ:.,tng work ta l1irliilu ,4uriag 1960,.11 want to
MnttoD that we tr1.ecl ... iDa.the ·lIOUDtMeiacl>loweran4 a I>ack-pack .... t·
bl~r to control veptatlon '.88ults' ara aucouragiag
but na8d Utprov"'llt •. >~.1s .ppal'e1;lt that a hiaber'zoate of·o'Ma1c.l app~l...
cat1~ will, b.llep .... J')' he... t_ .1aco.-nly uaad fea" ,wOodaspraylDl. The
ea.e· with Which such work ca. be done .. however. warrants furthe1: trials of
this approach. ­
.~oq·:o~ .t.....