62 ANNUAL REPORTS 03 DEPARTMENT 01 AORICUI/TUR] 
remainder were taken Prom material not offered for entry and from 
ships' stores and quarters. These forms included only the more im- 
portant p d pathogens intercepted. Thousands of intercept 
of insects and plant diseases of little or no economic importance were 
made in the course of inspection, but no record was kept of them. 
A total of 1,650 lots <»t' insects and plant diseases were intercepted 
from airplanes in L949, most of which were found with host-plant 
rials, although a few arrived as stowaways. Among the more 
important insects intercepted were the citrus blackfly; the oriental, 
olive, Mediterraneai . Mexi< an, West Indian, and five othi 
fruit flies; the pink 1 mil worm ; and the mango weevil. Disease or^ 
isms intercepted included the Sigatoka disease of bananas, e 
orange scab of citrus, lima bean scab, the black s] ot of citrus, the spot 
anthracnose of apple and pear, and citrus canker. Enterceptioi 
nejnatodfis included the golden nematode of potatoes, as well as | 
■ as and wheat. 
Treatmenl of Imported Plant Material 
Because of the pest risk involved, certain plants and plant products 
must be fumigated or otherwise treated as a condition of entry into 
the CFnited States. In 1949 more than 500,000 bales of cotton lint 
linters, and bagging; 10,000 pounds of cottonseed cake and meal; and 
L7,200 samples of cotton and linters were so treated. Other materials 
safeguarded by treatment included about 8,400 cases of fruits and 
tables; 17,500 containers of chestnuts, cipollini, and pigeon] 
36,200 bales of broomcorn; 2,585,300 units and 5,000 contained 
plants, cutt ings, bulbs, roots, and other propagating material; 48,7 
pounds, l s .7 (| " units, and 1,500 containers of seeds; and 21,500 lots 
of miscellaneous plant products. 
M.n \ shipments of salvaged military equipment, most of which was 
collected from beaches and swamps on islands of the Pacific where 
it had lain for months, arrived at mainland ports of ent ry. Examina- 
tion of this materia] revealed the presence of living giant African 
snail- in the cargoes of 10 ship — 5 from the Philippine Islands, 4 
from Saipan, and 1 from Guam. To prevent the introduction of this 
pest it was necessary i<> require the cleaning and fumigation, or other 
treatment, of 2,190 lots of such equipment and the vessels i ransport ing 
the material. Ii was also necessary to treat 1,000 tons of soil ballast 
com aining infested plant material. 
Certification for Export 
There was a marked increase in the demand for plant quarantine 
services in connection with the inspection and certification <d' plants 
and plant products for export during 1949. A total of 13,320 export 
certificates covering 1,432,000 containers of domestic plants and plant 
products were issued t<» meet the import requirements of foi 
counti rhis inspection and certification were performed at 39 
port and covered L03 commodities consigned to 104 foreign countries. 
