Ethylene dibromide-chlordane dip for treating plant balls infested with various stages of the Japanese beetle

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Material Information

Title:
Ethylene dibromide-chlordane dip for treating plant balls infested with various stages of the Japanese beetle
Physical Description:
2 p. : ; 27 cm.
Language:
English
Creator:
Chisholm, R. D
Mason, Arthur C ( Arthur Charles ), b. 1881
United States -- Bureau of Entomology and Plant Quarantine
Publisher:
United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
Place of Publication:
Washington, D.C
Publication Date:

Subjects

Subjects / Keywords:
Japanese beetle -- Control   ( lcsh )
Fumigants   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
Caption title.
General Note:
"E-757."
General Note:
"October 1948."
Statement of Responsibility:
by R.D. Chisholm and A.C. Mason.

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 030293213
oclc - 780089819
System ID:
AA00025152:00001

Full Text

October 1948


United States Department of Agriculture
Agricultural Research Administration
Bureau of Entomology and plant Quarantine


ETHYLENE DIBROMIDE-CHLORDANE DIP FOR TREATING PLANT BALLS
INFESTED WITH VARIOUS STAGES OF THE JAPANSE BEETLE

By R. D. Chisholm, Division of Insecticide Investigations,
and A. C. Mason, Division of Fruit Insect Investigations


The use of a dip containing ethylene dibromide and chlordane has
recently (Sept. 21, 1948) been authorized for the treatment of balled or
potted plants in connection with the Japanese beetle quarantine. The
dip may be used at any time of the year, and thus provides a treatment
that will kill any of the stages--eggs, larvae, pupae, or adults--in the
soil about the roots of the plants. The use of dips previously
authorized has been limited to the period during which only larvae are
in the soil.
The composition of a stock solution that has been authorized for
use in preparing the dip is as follows:

Percent (by weight) Pound (approx.)

Ethylene dibromide 13.0 1
Chlordane (technical) 6.5 1/2
Cellosolve V/ 6.5 1/2
Tween 20 2/ 6.5 1/2
Isopropyl alcohol (99%) 67.5 To make 1 gallon

The ingredients are mixed in the order given to form a clear dark-
colored stock solution. Other solvents and surface-s.tive agents may be
substituted if their use is approved by the Department.

The dip is prepared by adding the stock solution to water at the
rate of 3 ml. per gallon (1/2 fl. oz. per 5 gal.). An emulsion, which
is easily dispersed with moderate stirring, is formed immediately. The
ethylene dibromide is soon dissolved in the water, and the chlordane
remains dispersed.

The effectiveness of this dip against all stages of the Tapanese
beetle in the soil lb ',w to the fumigating action of the ethylene
dibromide, which persist s for as long as 3 weeks after dipping, and to
the residual toxicity ot the chlordane.



Y Ethylene glycol monoethyl ether, used as a solvent.
2/ A polyoxyalkylene derivative of sorbitan monolaurate, a surface-
active agent.


S-757





UNIVERSITY OF FLORIDA

3 1262 09239 1902

Caution

Leop the stock solution away from fire and open flames. Store it in
tightly closed containers in a moderately cool place. Provide adequate
:. -ioa, and avoid prolonged breathing of the vapors. If the solution
?fiIoHd on shoes or clothing, remove articles immediately and aerate
then thoroughly; if spilled on the skin, wash at once thoroughly with soap
and water.