1041 J 
SERVICE AND REGULATORY ANNOUNCEMENTS 
47 
be puddled or saturated and must be in a coiiditiou which in the judgment of 
the inspector is suitable for fumigation. The plants should be stacked on racks 
or separated so that the gas can have access to both top and bottom surfaces 
of pots or soil balls. While not essential that the balls be completely separated 
from each other they should not be jammed tightly together. Treatments 1 
and 2 may be employed in fumigating packaged plants prepared in a manner 
satisfactory to the inspector. 
Varieties of plants. — The list of plants, including greenhouse, perennial, and 
nursery-stock types treated experimentally, is subject to continual expansion 
and. moreover, is too great to include in these instructions. 
The schedule for the fumigation of strawberry plants as specified in subsec- 
tion (1) (5) (ii) of § 301.48b [page 14 of the mimeographed edition of circular 
B. E. P. Q. 490] remains the same as heretofore. 
This supplement supersedes Supplement No. 1 — revised, dated September 
27, 1940. 
Avery S. Hoyt. 
Acting Chief of Bureau. 
[Filed with the Division of the Federal Register April 12, 1941, 11 : 12 a. m. ; 6 F. R., 
1919.] 
B. E. P. Q. 499 (Supplement No. 4). Effective May 1, 1941. 
TITLE 7— AGRICULTURE 
Chapter III — Bureau of Entomology and Plant Quarantine 
Part 301 — Domestic Quarantine Notices 
japanese beetle administrative instructions modified 
Pursuant to the authority conferred upon the Chief of the Bureau of Enro- 
mology and Plant Quarantine by § 301.48-6. Chapter III, Title 7, Code of Federal 
Regulations [regulation 6 of the rules and regulations supplemental to Notice 
of Quarantine No. 48 on account of tbe Japanese beetle], subsections (ij (4), 
(k) (1), and (m) (2) of § 301.48b [see pages 6, 8, and 15, respectively, of the 
mimeographed edition of circular B. E. P. Q. 499, issued June 9, 1939]. are 
hereby modified, effective May 1, 1941, to read as follows : 
§ 301.48b. -1 d mini strati re instructions to inspectors mi the treatment of nursery 
produ ts. fruits, vegetables, and .soil, for the Japanese beetle. 
(1) POTTING SOU. 
* * * 
(4) Lead ur.siiiatc treatment 
Season. — The treatment must be applied before August 1. 
Condition and type of soil. — The soil must be triable. Wet soil must never 
be treated. The treatment is recommended only for soils that are slightly acid 
or neutral in reaction. Any type of soil may be treated provided it meets these 
requirements. 
Dosage. — Two pounds to 1 cubic yard. 
Application. — The lead arsenate musi he thoroughly mixed with the soil. 
Period of treuUnent. — Plants freed from soil and potted in soil treated in the 
above manner, by August 1. may he certified for shipment between the following 
OctObef 1 and June 15, inclusive. 
Handling of polled plants. — When plants potted in lead-arsenate-treated soil 
are plunged in beds or set in frames exposed t<> possible infestation, tin 1 soil 
of these beds or frames must previously have been treated with lead arsenate 
at the rate of 1.100 pounds per acre. 
Treated plants carried after June i.~>. — When plants potted in soil treated as 
prescribed are carried after June 15, they may he again eligible for certification 
between October 1 and June 15, inclusive, of the second year if, on August 1 
of the second year, analyses show the soil to contain lead arsenate at the rate 
of 2 pounds per cubic yard. 
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