26 
MISC. PUBLICATION 650, U. S. DEPT. OF AGRICULTURE 
TasLE 4.—United States imports of pyrethrum (crude), 1933-47 
Country of origin | 1983 | 1934 | 1935 | 1936 | 1937 il 
| 1,000 | 1,000 | 1,000 | 1,000 | 1, 000 
pounds | pounds | pounds | pounds | pounds 
Bragileeee cue ee 2 eae ee ee [arama ! (eg ee eS a eg i 1 
BritishebiasheAtricas 22 =e eee oreo gs ee ai 9 66 | 1,614 1, 423 
Crna pe a a Sa ee a ee | meee 2s ee E 
ta liy2so Satie 1 faqs 4 ee eee oe pene 446 114 66 61 2a 
JA pane -ee es > Sage eee ye eee epee 9, 066 |10, 094 |15, 204 | 9, 934 | 17, 850 
BAUS: peat ate eal aa net y WEN ROARS So | 84 38 5 a ee LIP So 
UnitedeKomned om =. eases aes = eeeneerere eee ee 42 81 29 22 
Mugoslawia 22 ee ee ee eee | 839 299 154 119 519 
Dotal 222-2 eee 10, 485 |10, 591 /15,578 |11, 757 | 20, 092 
1938 | 19389 | 1940 | 1941 | 1942 
| £4,000 | 1, 000 | 1, OOO-| 1,000) 1008 
pounds | pounds | pounds | pounds | pounds — 
Bel eiansC OMG Os smc, eee ee 2 17 179 223 | 
Bratz: <2 \e sue ee eae eee 497 80 78 iT 397° 
BritishibastyAirica, = ase ae ee eee 2, 864 | 5, 524 |10, 387 |10, 069 8, 830 
Italy Ab ouput gl Rept, AC See ee coi a =| 28 (8's) asus | Ga ed 
oF oye h seme ocala hom ae mane certo MUI ILS tin 10, 896 | 7,486. |°2,,031 |) 7625)\a.taaee 
| 2) Weep pak ano ea Seek a Sime 2 a a ea ee Rio A ees a 
WnitedskKined ome ese ee eee 34 at dif Pe a epee eee 
Wigoslavia® 2655 7"2 5 oe hess eee 218 388 66> Sea eee” _ 
Wotalucss 2 spas pene ae 114, 537/13, 569 |12, 591. 111, 021 | . 9) 45a 
1943 1944 1945 1946 1947 
1,000 | 1,000 | 1,000 | 1,000 | 1,000 
pounds pounds pounds | pounds | pounds 
Belgian Congolee 2a = saree 200 770 | 3,402 | 4, 923 3, 490 
Brazile: : oan: ome eee ae eee ee | 593 | 2,203 | 2,253 | 1, 880 312 
BritishsWast Atrica ss. ae eae 5, 985 | 7, 685 |12, 597 |13, 520 4, 205 
QT a A oe ey Se | eg 23 48 
Chile = 5 ae Se Aes te CaN ar eer ne pee eee Re ea 16 13 235 2 
Meuadors. 1 =o. da Le es pe see = ea Ses, ene hee arn 1 
Guatemala... 2S Aspe Se ee eee = pe pee |) Stil 3 26 
|G 5 i Gael Myler ry Aran eats yo RNa nh) at ei bie P eed, Sp 1 1 
Winton Of ;So ute hi eArire eee eee ee fetes Ste EAN hee A ite oe 112 |} 
TPotalie “22 eas ees eee | 6, 778 |10, 658 |18, 271 |20, 476 8, 082 
From about 1860 until the First World War, Dalmatia supplied 
most of the pyrethrum imported by the United States. 
When this 
source was cut off by hostilities in 1914, production expanded rapidly 
in Japan, where cultivation of the crop had commenced in 1881. 
Between 1931 and 1935, Japan produced from 85 to 97 percent of the 
pyrethrum imported by the United States. 
In 1928 pyrethrum was — 
introduced into Kenya, British East Africa, by Gilbert Walker, a 
planter, erd by the Kenya Department of Agriculture. 
In 1932 
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