32 ANNUAL REPORTS OF DEPARTMENT Qtf AGRICULTURE* 194 I 
Chloropicrin was approved as q fumiganl for hulk ^<>il in tin- 
-nice of plants. Methyl bromide fumigation of nursery Btock after 
loading in tight l>ox cars was authorized and was utilized by nursery 
men during the year. 
During the adult beetle flight in the summer of L943 from 9 to -1 
scout ings were made of 861 nurseries and greenhouses in which infes- 
tations had noi previously been determined. Infestations were found 
in approximately 100 establishments. 
CERTIFICATION OF FRUITS, VEGETABLES, AND CUT FLOWERS 
Inspection :in<l certification <>f fruits and vegetables during the 
1013 period of flight of adult Japanese beetles was concentrated nt 27 
inspection centers scattered throughoul the heavily infested area. 
During Hie fiscal year inspectors removed 1,087 hectics from 2,339, 
19(> packages <d" commodities certified for distant movement. Oertifi 
cation of 1 1 1 i> produce involved the methyl bromide fumigation of 
5,692 loaded refrigerator cars and (U Loaded trucks, and the hydro- 
cyanic acid fumigation of 252 empty refrigerator cars. Ninety-five 
beetles were taken also from 7.887 packages of cut flower- inspected 
during the summer. 
Experimental work was completed on which to base methyl bromide 
fumigation of refrigerator cars at temperatures as low a< 10" F.. 
thereby permitting their fumigation while iced. Previously cars to 
be fumigated had to be uniced. These low temperatures were author- 
ized for use during the summer of 1044. 
ARTICLES CERTIFIED AND VIOLATIONS INVESTIGATED 
Nursery stock moved under certification in lesser quantity than 
last year. From infested establishments 26,637,568 plants and 648 tons 
of >-oil and manure were certified. In addition, L5,902,72J plants were 
shipped under certification From noninfested premises. Moreover, 
29,811,009 plants and 1,669 tons of soil and manure were certified for 
movement between dealers within the regulated /one. 
To cover quarantined products moving to nonregulated territory, 
199,053 certificates of all types were issued. 
Investigat ions were made of 481 apparent violations of the quaran 
une regulal ions. 
rnn\Y PEACH AND PEACH mosaic DISEASE CONTROL CONTINUED 
IN 16 STATES 
Federal Siate surveys and inspections for the phony peach and 
peach mosaic diseases were conducted in the summer of 1943 in l<> 
infected States from South Carolina to California. These inspec 
Hons were made in commercial orchards and other peach plantings. 
Growers gave more assistance than for many year- despite the man 
power shortage. The lifting of the standard State phony -peach quar 
antines from [g additional count iei — 1 in Illinois: :\ each in A rkansas, 
South Carolina, and Tennessee; and s in Texas — having a 3-year dig 
ease free status, reflects continued progress in controlling this disease. 
\(> additional counties wen- found infected with the phony disease. 
The standard peach mosaic quarantine was modified to remove Salt 
