PITTSViILLE, MARYLAND 59 
FUMIGATING MATERIALS 
The many items we are offering for use by nurserymen 
and florists are ones that we are uSing and can recoxaiuend. 
These fumigating materials are used under supervision of 
the U.S.D.A. in treating nursery stock for shipiuent outside 
Japanese Beetle area as well as for many other controls. 
Ask your Federal Inspector or County Agent about use of 
them. 
LARVA-TOX 
§0-10 (Ethylene Dibromide-Ethylene Dichloride) 
A new material that meets government Japanese Beetle 
Quarantine requirements for treating bare rooted woody 
stock by the dip method, between October and May 15. 
More economical than washing. : 
This may also be used as a soil fumigant mixed with 
water at the rate of 1 gallon to 350 gallons of water, and 
this solution applied at the rate of 1 gallon per sq. yd. The 
water solution may be applied on growing plants to control 
nematodes and other insects. 
Quart botclexGnakesySorcall) hema ace ae eer $2.00 
iggalllonwanakesessO"gal®) meas eels 7.50 
LARVA TOX FORMULA No. 2 
(Ethylene dichloride) 
Primarily used in treating potted and balled plants (be- 
tween October 1 and May 15) to obtain certification for ship- 
ment out of Japanese Beetle area. May also be used to 
control peach borer. One gallon will make 201 gallons of 
solution. 
Quart bo Ctl ester ws eye ey. ee ees eas ee Re $1.50 
(QR UUNGY o1 Soars Ratio, Geeet nuit ect cack itech ANON Ges tees Pea 4.85 
LARVATOX WITH CHLORDANE 
A new material recently authorized by the U.S.D.A. that 
kills the Japanese beetle eggs as well as the gruvs. Potted 
and B and B plants dipped in a solution of th.s material may 
be shipped the entire year providing soil and air tempera- 
tures are maintained at a minimum of 60%. Will have value 
as a soil fumigant. Use 3 CC’s to make 1 gallon of dip. 
Quart (makes 315 gallons of solution)......... $2.50 
(Gall Orieaesteresigees eerie aha ease GREE es eal 9.50 
KILL THEM WITH 
RED ARROW SPRAY 
This, in connection with Black-Leaf-40, is what we use to 
control insects on our stock and have found them highly 
efficient. Highly concentrated Pyrethrum-Rotenone-Soap 
Spray. Has excellent spreading and sticking qualities when 
mixed with water. Harmless to humans, birds and pets 
when sprayed. Kills many varieties of both sucking and 
chewing insects. Extensively used in these larger sizes by 
Greenhouses, Nurseries, Commercial Growers, ete. Provides 
highly effective control of many types of insects at low cost 
per spray gallon. Saves time and money by killing both 
Sune. and chewing insects with one spraying instead of 
wo. 
© aiet Cal Sem ea amy) os Rec cocencretes Aisented coeveuters $4.50 each 
GRIUIGTN (CEUTA as otis oho ae Ocha en nanOn eee 15.00 each 
SOME MORE GOOD BOOKS 
TREES FOR AMERICAN GARDENS. 
Donald Wyman. $7.50. 
If we could afford to give each of our customers a book 
of general interest to nurserymen it would be this one, or 
its companion volume, ‘“‘Shrubs and Vines for American 
Gardens,’’ by the same author. We can’t, but we suggest 
you purchase one or both. With the knowledge you will 
gain you will be able to answer almost all questions asked 
you about all the most desirable trees. 
THE NEW BOOK OF LILIES. Jan de Graaff. $3.50. 
All you want to know about the selection and culture of 
lilies by this world-renowned grower. Describes the origin 
and development of more than 200 varieties. Fascinating 
chapters on how lilies multiply, how new types are made— 
reports on Mr. de Graaff’s own work. Tells all about stem 
and base-rooting, how to propagate super lilies—how to 
avoid and cope with trouble—how to select good bulbs— 
best locations and soils—how to grow indoors in pots. 192 
pages. 17 full color photographs, 12 pages of drawings. 
PRINCIPLES OF WEED CONTROL. $5.50. 
The book brings forth the principles, facts and techniques 
of scientific weed control. In addition, the authors discuss 
soil sterilants, chemical and mechanical methods of defolia- 
tion, ground spraying methods, airplane sprayers and 
flame throwers. 
