Methyl bromide fumigation of greenhouse plants at the U.S. Plant Introduction Garden, Glenn Dale, Md.

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Material Information

Title:
Methyl bromide fumigation of greenhouse plants at the U.S. Plant Introduction Garden, Glenn Dale, Md.
Physical Description:
31 p. : 27 cm.
Language:
English
Creator:
Latta, Randall, 1905-
Cowgill, William H
United States -- Bureau of Entomology and Plant Quarantine
Publisher:
U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine
Place of Publication:
Washington, D.C
Publication Date:

Subjects

Subjects / Keywords:
Greenhouse plants -- Fumigation   ( lcsh )
Bromomethane   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
Caption title.
General Note:
"E-526."
General Note:
"January 1941."
Statement of Responsibility:
by Randall Latta and William H. Cowgill.

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 030270743
oclc - 778784436
System ID:
AA00023009:00001

Full Text

It


B-526 Jrnu.-Ty 1941

United Stl-tur of At!ricilt,,irr.
Buret.u of Entc-ioloo-7 and


IIETM BRO1.1-IDE ATIO" OF Gr!REE7'H0Ut-E PLAIVIT'S .1 T-T,';

!UiNT ITMIODUCTION C-ARr:l N. GLIilll DILEY IvID.


By Rrn(lnll Latta, Division of Control lnvesti -,Uon-, f-,nCi
11. cowgill, U. introduction Dilvi. ::ion of
0 J,
Flrnt Ex,,)Ioratim md Introduction, Bi rcvu of ?l,-nt


The use of methyl bro.inido funLicv,-Lion to (! ,strov -,rari, ttv
insects on plants being eiFtri ,ut-d froi, tj)( Tf. S,
Garden, Glonn D,,le, Mid., Ims cor)sidcrbl( stl:, !v dilrinF, th.-,
Past -cx.r. Thc inte. rc;st of' th ,; s--rior .uthor )-.,r s to id the
District of Coliuibii l Inspection 1.irit of tl, c Pi-VA-lirl, of
Forcip Plf-,,nt q irxvntinc s, Burer u of
-which in:Tr :,cts !7 11 shipmi- ,nts frc., fl thii c by cxtcn(lin 74
Stucit"s of tolercmct of r JDCCIED, of i-I.-n's to
m--thyl. bro---ii( o fumicvAic-ni undc.- r,,)vtJ-nc ecranerci"I cor."'itions. Ty,D
junior author vras concerned iT, perf,--;ctinsr tho m--,Uhw2 of' his
rerrulox dutiGs of con ,itionin.r rl,,I,tS "()r O.Istribntion 'ro, thc
Plant Intro luctio---a Gar-C,-,Ti. I u. F o 1' i-m tliyl I-ror.iOc pl -nt
fumigant is still rt-the- r rovi., 1111 .C 2incc is intercst in its vRrious -,s pl-nt
4
and in thc. us- of .ult fumi- .-1-ion for control ai r Cnh E s S
on pottefl 1)1,Lnt.3, thc rcsultls h,-v(:, vr-.lue. to othor
workers in this

Since in-.,y of -Lhu !7t⁣(' wcro
which would 'ho in ,.,.ctivc-, Fr,,,v th
tomptoe. at 111inirli-Lm r -.tcs.

The Plant Introlluction Ga&'cii w,..r f-.c-(! aiso With thc difficult
problem of insect control in its bycat number of .-I. I-.irly sim-.11 10tS O.C n,,' LY Ci C, f -Y
-n,-' in -M st[tg( -s of' 1-ru..'rth which. prDclu(7,DC. of
orc'im.ry groonhous;j sprrlys -)r fumi t s B( c U,,; c, f t hi
tion the ,-tuJios with (,xtu,.,nsiv,:. tri, Is
c.lesignod to tc.qt thc, possibilities of' th ,-- -(Ahol to gc*qoral snmit-,tion of pott j(, pl,.nt...

The tri,-.l--,,n('.-orror m,:tho..*. w,-s iiscc' frorI thc firct. A fuw plfl.nts
of giv ;n lots rcqcivn(' t,. st -nC- if thc. tritIs v,,-cr(? s-L,,ccossful the remIrAnIng pl .mts in wc.r,-





-2

effect of dosaFe ratcs on ins !ct rill vITI.S E7111':11.c in -,,!--is ?,rosS n!--Inn, r, the e s frc n
2 1'-- S /120 m J r t 0 1 1 L /1 -.i n f- n (I 0 L- I L tnd
finally stabilize d --t (I-#,- EL r-i:L vi" C. i vo
coriplctl% L;struction of all sz, of n dc r
th vP- rious can ,it ior. s ncou,-." r-d i n rou -- c.
-.ierc elso tri(2C, in, s'--le tests: 1 21.1 0
1:1i-'. -an 0 2 1 b z; 0 ,, i n

Studio s w--,rc, 1-fl ,--1,,,- in Sort,-ibor 193c :d-" 1 1: -Ov, from griDonliou--c b(-:nch----7 and re ,-t th ,rc i r.f o, mat --, on wtis c 1-t v- J, r-; on t t o I r an o theeC
,.%rorc furliCatod in qLi,,.ntity in a
-;bruary 191 O sufficient di-tv, hs, furition of practically all
fi ,ld-!7rovm orn, n.;ntal", C.1so S r C1 it,
a, cD1(-! ,ih,. d until shi,-,.-.-nt-*

All nl .nts vfel--, in
V, .Ult) ""hich -,v s iin -ith slie(,t to nt
v ,-,ult provide. )(1 ,7-:.'J. -. 10-irch ft-n
12-ilich cxiv-mst f rn to r,1 f LnF, t r,: ,, tin ;iJ
t h Y 1 b r c i 6 o v, s 7i s u I "-! (I 1- a,:1- 1 -7 h
of' 7Thc rlf"-nts V'- rc; 1"
c!,rri rs whi cl i -o rrs to -clovi
f 1 11,-;t of nt i ,-Jhc of' 2.r, ILs./1,000 Cu.
o: i ly 1.2 --, pou: s of 87 ccnts) V1 .. 7
us( T)-,r- .icn L- co-l ..,r 1,()()J pl rits. :,-s r,-,d-,tiv ly low.

Tp- !,r -t o b- s, c i f i fo r -(;h T- 1: it tr t,1, z-.nd uniform wit'-,in tJc t ;'n,, e i burn or r,
S Ur o c oi-i,,, r r.- v S v, r
rI 1',f c"'n-L -4 Uf, oil St4
.,),4 L 3thors no
r,, nly
but of ii m- tur 1 v s rc.sult,.e.. In
-1, c r ow 0 1. S 0, t i

Vj
P t,-c ;S ol' injury vmrl- to r -Irtiv--I,, L-'-,
f, c, -v, r 1 t I lo U t o f 44! i'rin
Lil" C-i s
uninjjvn-, w1hilc! (07 --1
illry. C)jjj-, 17) Spfo
v! ri.ou- 1, --s of in. S --v, rOlY



r in of
I 1C ILl(, i I 10"'Cl, fol
vity 1 oil
L Ilt







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burno.J. In four of thcri, 11.o- C ,r,'.ioE ,)ur, mri
Fokionia hoC ,,insii, (,t 7(77 tiinjvru(', or sit & limiteC 17(-;rl, no furti-,(,r
tosts bil-. ron on(:- or tvio-pllnt trl l Jr vi,-,r(, Yu e K 1, i
arbororcr-ns wt.s b Jlv burn .(-, ii; f. fii-Ft-, trl,-1.0
U' n t I ic 0 o s c-- vmr, r,, (,u c c c r hl- 1 f I iurt1l.or tc,,:7t with,
2 lbs./90 b-urnmr, Lut thi- s,Mcll 0
was not injurious villm thc pl,,nts vrc r ; s jringr,,('. in -,. cool location.

P'-,'-LTttS in one s;? ;ci(:s, Moilr.sto-at. sp., vvcrr riot 1jurnc--'., 'Lut;
-ftc-.r :. furdr-t.tjon in larg,; nu, -r
,rowth stoppucl I' t III
C, ry, r,,f't(,r ncw grovith h ,.c st --,rto(, vvr- not
in Fobrv.', J,
or othcriiiso in urf :,C.. 1 vo v,.ri o us oJI it
bum inG. So-c 1, a-rcs of AMPhicoin,. ,,rgut-, w(-,r(., bm-nc(,. in
,.ne, Nov ,Tlibcr fumi r-,tions but not --t -11 in. F'cbru,-.Y--)- j.prd I t1rQ.. tmonts. Cinchona nubesc,)ns X oi'ficiritlic shavv--c -,-.n burn,-,('
tiT) or f Tvei -1117af iro n-(-,-tost*bit -n-o-"buTri-,i in. iunf'v .,rls
of pl,,.nt,, of a closc- in th., szm. P-c;nu,, -v,,i-.:r(-? not-, bur)vc' ,t


Six spocie-- shom, injury to ncvr tip -rowth. T] Ps oil T'jsno, ium
wora gemr My by tcr-t-,-trc nt in, s
pll,,.nts of Fun-atorium li-.u-trinum. Cot IeC Oil sp. ti-I-) b u r
oil matur r--,rT 71 iT
Thuobro-ra-. purpurcizn -,Jso wk ;rc 'bUrm*,(1.

Fulniuation c,-.L-Aso(' or r o npj_ li s, 0 .,q- tu r- lc- -v s iii 12
,P(.Cl()s Bryophy l', uri 1,-*,,. c d i ID Ani- u-! s
and B tubiflorun, so,'*,e iairnan-- oi mi-i ur le .-v-, s. J e r n (1a
a c ut 1 f s -7-Lo -- t C of a 1 i t e c! ovd n, t r. ('.1- o Icaircs
but -no iniurir rcsulte(l t,,-) li( w in 1,-Aler tocts. SDCCIE.'s
of Yalciichoe hvCL burning or loss of 1(,lv,--, Four pl,-rts of' K.
synsepal-I dif,,O. followin,:- f'()i),r of' th,- s -,Tqe
sp,.,cie.s frova L--.nothur t;ourcu till'(, VIC.ro uninjur(-.;,1.
RepcftoO tosts vvith ?iUto,-oru,,i ,-I!-br-t -l c,--us"C, loss of 1'.71.uri.
le vcs but no TviD
routloO.gii -.mO. Skimd! J-ponic- v ,dtc 11'111
-Y
vat hout ny ,,pp--rc rt burnin of foiiL.Crc.

ight tip burning ,- thc, loi3s of' lc,,--vc.s not
to bo sir--nifict.,zitly dn i-aost

Moisture con(litions --. P-n,-.r1.:1n tl .v r- b I ,- in f I u : nc
on nl ,,nt rc-,ction. In on(, ins-t.nc nd--i-its (A' (,fl F i,,- r, 1- b o r s c s
woro sc vc: rel-,r burnc, b r fumi-,.tion tli ,, of
C -t,:: 0 1-1
the v ult inc c1 .t L1 0-150 p( i cc., -nt n L,
vvere unin ur )(' by nr c-oual Oosz r% -lh-n Y.
-,t or ncar saturnticn. Pl,-nts in soil.1 to sh )vi mcr,'inj- ir.v th! .n in racist -,oil. B- c,, i i s o t; I ic', 1 s Ir t i 0 Y 1 s






-4

1-urddit-v wf s i in Z1,c t'u. liptino. vault by
so -kirir all rotr pr,3 cf-d 1nc- tl--, humilei,
b- r.-!,ns of
b, p I ". c c 1- r C) Tit i, t ault
tc-- r-tur,-,

It -Icc) tl--t conditions tho ro-tfuniif- ticn
infl.-L ,cnc ,' tl-1(-1' 111tilIlut, rc",Ction of th,, In
f,, -- 1,1r.tcc' rl-,nt s kepL- in r r)i(' r.* r evrrentis
ii'! ur,,- th, n ,) i i I i o I a nt s i n v r c t C o s t ic n n 1, c C i r c c t proportion to the YnE-It". of so -,'or ti.*-' .s thc
r1XV 1.ur. t pcrio( vias sliortci-i ,,C 'L-C) Orily thr t-)
of n, thyl 'Lromi lc -,Ily 4:U c linutl s.
C, C r-.tr, vr.r! Frt: c 4 i c
st.at rl proviousl-vy th, os.
us -C. pro(1.ucc1(,1 -xtr,::n Ay ijC-1) of Mr, irsjcts
hi-,r3 'r Ui!-I.
f'cr t1xip o T-3,- 1 A r s of t z- c- 1,. s ,,n rll-' s7-.i I ,rs. k, c
4
Dns v ith 2 lb, D
--in. rt.t.,- of 2.17 111,: d1l. v:- s ill, 1177 c. pt S i,th, r-n cr-! h 11 tolel-I!c, r --,nt (A'
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