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Show I ' wm wmRotenonc r Rotenonc Rotenone DestroysMany Destroys DestroysMany Many Insect PestsNew Pests PestsNew New Insecticide IsHarmless Is IsHarmless Harmless to Man ManAmong ManAmong Among the newer Insecticlle'1 Insecticlle1 Insectid lnseclicl In tes ' are arehose arehose nhose hose containing roter rolt'r roltr rote ' ' no nl ne ' 71 1118 Irlsvaljable is val viii vallable viiisable lable sable product of the r r rc < < ti 1'1 11 is ' f r t 51 sl I I.IP e < e < -.IP .IP - ( ( . iI'S iIS Ins iI'Sf Insf ' ! ) f Derris Derrls and Loncho I r ? iius II i1 us I ( "inonly inonly 11\ 11 iii \ 11Tlonly iiinonly " Tlonly nonly called cube or ti till i I 1 ) w s sported , imported IfT1ported ported from the S < ; t lit ittwist tt W wt { sl st I Iilk Iinc Iife ilk ife and South Americi Americr rests reg rt'S rtS ' [ ( { tlvl tlve tlvey tlvcy ' y before the war After bU so s > u I 1 R a arom Rrom 'rom rom ' rom Malaya and alld th thp the I 1 ast sat li II 1 I 'were were R a RNere awere ' Nere were cut off oft th the dev devlu devt'lol devtlol develui < ' -lu lu - ( ret r e t f t tierrls Iierrls fJerri Jerri ierrls . cultuie cultule culture In Central ird lid it d S 5 ' " IT ti IT'merlca tiAmerica tiAmerica 'merlca merlca America ' was given III In lniti 1 I e ( { h ti s sRotenone Rotenone . is .1 1 an organir organic c I i J 1 J.oxic 1oxic J oxic .oxic . to many Insects and p s s sto (0 0 10 to ( fl fish h but Is I . not conslderel consldere eonsidereI 1 I r rul rtu1 rhil tu1 hil ( ul to man In dilutions siOUiert s i1'J1Ller i1J1Ller iffcier ' I t tcilll 10 to 10dll torl11 dll rl11 Insects Thi This . makeB mal-es mal es makes - p I is lip lipthe t Icthe le lethe the use of the ground dem denlR derris r t 1 e < - enot coot DOt not on leafy vegetables The rootskre roots rootsut rootiare ut kre ' usually 1J'0und 1J0und ground ( ( ' round sufficiently lufficlently l\ l f\ f ft \ lrin fe \ rin e eto 10 to that most of the powder will p"through pthrough pas pass passthrough " " through a 200-mesh 200 mesh - - - screen and It isrsed iijsed Is IslSed lSed rsed In diluted form Ground rotelone rotelone rote lone > one bearln bearing , roots however n 11 ay sy ayIrritate syIrritate ayIrritate Irritate tender skin akin and .nd nd . the muc usmembranes us usmembranes uamembranes membranes Both the spray sprayand andiust and andiust andlust iust lust methods method . ara are used uBed tn In trc trt tre ' ti tl cInfested g gInfested gInfested Infested plants plantsThi plantsThe Thi The most important Uses lIses tees tf < ( f rotelone rote rott " tone lone root powder are on vegetablt"s vegetablts vegetables vegetablt"sfruits vegetablesfruits vegetablefruits " * fruits and flowers owen to control Lonlrol tt tl it eMexican eMeKlcan e eV V Mexican exlcan bean beetle beeUe cabbiig cabbug cabb cabbugrat g gcat cat rat catrpillars ratrpillars . rpillara rpillars cucumber beetles the i t Il'a Ila Il'aIihis eai ea eaa4hls ' Ii-his Ii his a4hls - hls the pea weevil the alpani asparii aspar II . . , s scetle seetle i ieetle eetle cetle , , flea beetles beetle . the cherry frii fru t tJ ty t1 J ] y > ) the currant worm rose slugsthe slugs slugsthe IUK IUKihe ihe the ' Japanese beetle spittle 8plttle bugs initrawberrles )1\ )1 1 ) \ )1.trawberries ) n nstrawberries .trawberries trawberries strawberries . and the iris thrlpsIn thrlps thrips thrlpsIn In combination with pyretl pyrett n rt m m&xtract mextract mtxtract &xtract xtract extract & and sulfonated castor o 0 I 1 Irotenone 1rotenone 1rotenone rotenone Is II also effective againit against red red.piders redipiders redipldsrs .piders piders ipiders . thrlps thrlp . ( except the gladlilrjiArips glad\ glad gladb gladbs \ < bs lrs bs.hrlps lrshrips .hrlps hrlps hrips . , ) aphlds aphidl aphids cucumber beetlestarnished beetles beetlestarnished beetleslarnlshed tarnished larnlshed plant bufls bugs certain ipecleiif speciesf species ) f leaf rollers rollen and leaf tiersThe tiers tiersThe The department of agriculture re reorta reports ) orUi orta that properly packaged anditored and and.tored anditored .tored tored itored . ground Ifround roots containing contoinlng role-ion role ion rote- rote rote10ne rote'one - - - 10ne 'one one ' do not deteriorate appreciablytor appreciablyror appreciably'or appreciably ror 'or or ' several year years . Deterioration wasilso was wasalso w ilio also ilso not found when wben the ground roots rootswere rootswere rootiwere were diluted with Inert carriers I1ke like I1kepyrophylUte likeyrophyliite likepyrophylllti pyrophylUte yrophyliite ) neutral talc or p pw pjerecl plered wlered w jerecl lered plant products and placed Inclosed In Inclosed indosed closed dosed containers In a dark dry dryroom dryoom room oom I Importa Imports of rotenone-bearing rotenone bearing - - roots rootsInto rootsinto rootsInto Into thi the United Statea States had bad reacheda reached a total of eight million po inds mds rnds in1M1 In ; 1941 . , showing .hClwlng hClwlng . a rapid Increase overthe over overthe overthe I the preccd prect.d prectd preced . na nil ng flv five live year period Withthe With Withthe Withthe , the exte exteision xte islon of the use of rotenone rotenoneJ'1secticlde5 rotenone.nsecticldes rotenonejisectlcldeii J'1secticlde5 J1secticlde5 .nsecticldes nsecticldes ' . through experiment experiments * by byentomololiata bysntomologlsta bytntomologlsta I entomololiata sntomologlsta ( . , a further upward upwardnovement upwardnovement upwardnovement novement In 10 is demand may ma be ai ar at ticlpaled tiel tics tiellated ticsgated lated gated ; Already , development of the theotenone therotenone ofnoni -otenone otenone rotenone - Industry In the Latin LaUn Amercan Amercan Amer Amercan can countries has bas reached such pro proportions ; ortiona orUons that the southern naUO nauor n tiors tiorsre ! s . sare are ire re establishing establisblna their own experiorient experl expert experlment expertmerit ment merit stations tor for the further studyif study studyf ) f these root crops |