LONCHOCARPUS, 
DERRIS, AND PYRETHRUM CULTIVATION 
3 
TABLE 1.—Estimated world production of rotenone-bearing roots (derris 
and lonchecarpus), by country, 1938-49 
Production 
Country 
1938 1939 1940 
1,000 lbs. | 1,000 lbs. | 1,000 Ibs. 
OL ET te ee wt ee ee 2,500 | 1, 500 | 1, 000 
7 ATP Spl alas Se aaa aire cea 2 li ai ee | 1, 500 2, 500 | 3, 000 
«LER 2 See Os = ee ee Se ee | (2) 200 | 160 
2 BESS ee ee ee 2, 000 3, 500 | 3, 000 
PETE ELLE ETE CTC ee | (2) 300 © 150 
EN i ae eee | 100 | 650 | 2 2, 000 
Netherlands East Indies__________________ 250 | 1, 500 | 1, 750 
Bemenpeenne Patani: V2 2) 28 ke ed | 200 650 | 900 
SEES i eee _ 6,550} 19,800 | 11, 900 
| 
1 Not available. 
2 Anticipated production as reported from that area. 
Source: Markwood, L. N., and Arrington, Laura G. (20). 
TaBLeE 2.— United States imports of rotenone-bearing roots, crude and 
powdered, by principal country of origin, 1937-46 
Roots and country of origin | 1937 | 1938 | 1939 | 1940 | 1941 
] | 
| | 
2 | | | | 
| 1,000 | 1,000 | 1,000 | 1,000 | 1,000 
Lonchocarpus: | pounds | pounds pounds pounds pounds 
Brazil___-- By Ree Cae oe ee ee | 1, 462 aoa.) £ 101 -) 1 O47") 1. Stl 
Py ey eee ee ee, 378 ira 1730 {2° 295 | 2-525 
WSPLT LEE sip eee ene | Baa £0" | 74 61 
Siar ay Bete ee? Js En esa 2 jes 2 Spore aa else nee 5 
YE ine 2 ae re a ee ee ee |-------|-------|------- 
Trmidad. ~~ 2 ee Les ee ee ee ene bas es or 
igi Se gee 5 2 2: || B40) | 2825 eS, CONS, 346 | 3, 997 
Derris: 
rie Cast Altea. 8 2 AN ae oe [eter & | 15 
primis: wining oe he | 402] 583 326 | 1,842 1, 930 
Prourclupocwimn <2). fr 94 ee ee eae fey: 33 144 | 78 
Netherlands East Indies-_________ a7 136 280 997 1, 700 
et eh Do ee eS |S oa yee eee ee ee ane nena 
Pamuppities=- 2222 2 8 2 Sees 1 I 23 262 231 | a77 
Warned Kinaiom.. 2: = 22. 2 | 2 | "hat age pea cael See 
ERC oe a a a rere fe Seedy Oe reer ae [ole Gheaaey ean eee (eed eye 
(SLES ST Sis oa EE See eee Ee ee ees ee ee fede occed, 
eerie ONT [en ae (eae eee (Se ee | 5 ees ere poe 
TERUG EES cot SiS laa eS pias ee eed eS epee pee Le eee 
Miia) SpE A Pee oe eS oie |) ¥44: | "2; S08 | 3, 222 | | 4, 100 
Total rotenone-bearing roots | 
shown above (erude and | | 
Bpiweerody Se Foe tele | 2,412 | 3, 069 | 5,909 | 6,53a | 7, 997 
