BORDEAUX MIXTURE. A copper fungicide not so popular as it used to be
but still preferred for certain diseases. It may cause stunting and
defoliation, especially used in cool, cloudy weather. It can be purchased
as a blue powder ready to be mixed with water at time of use (for orna
mentals use half the amount designated on the label) or made at home.
For 4-4-100 strength dissolve 2 ounces copper sulfate in 1 gallon water
and 2 ounces hydrated lime in 2 gallons water. Pour the copper solution
into the lime, strain into tank through cheesecloth.
BORDEAUX PAINT. Stir raw linseed oil into dry bordeaux powder until it
is of paintable consistency; use as a tree-wound dressing after prun
ing, especially when cutting out fire blight.
Bor-tox (Andrew Wilson, Inc., Springfield, N.J.). Lindane paste with
applicator for injecting into trees to kill borers.
Bug-Geta Pellets (calcium arsenate 5%, metaldehyde 2%, California
Spray Chemical Corp., Richmond, Cal.). A bait for slugs in con
venient pellet form.
Cadtninate (cadmium succinate, Mallinckrodt Chemical Works, St.
Louis, Mo.). For control of turf diseases, especially dollar spot.
Calo-clor (mercuric chloride and calomel, mercurous chloride, Mallinck
rodt Chemical Works). For control of brown patch in lawns.
CALCIUM ARSENATE. Sometimes used on vegetable crops in place of lead
arsenate; used in some baits. In home gardens it is more often used
as a dust mixed with 3 times, by weight, as much lime.
CALOMEL (mercurous chloride). Used for treating celery seed, 1 ounce to
1 gallon of water and for cabbage and other root maggots, r or 2
ounces in 5 gallons water, and applied along the row, or as a dust, mixed
with 3 parts cornstarch, for dusting seedlings before setting.
CAPTAN (N-trichloromethylthio tetrahydrophthalimide). This is the new
coined name of the promising new fungicide that has been tested
as SR 406 and Orthocide 406. It controls rose black spot (but not mildew)
and many fruit and vegetable diseases.
CARBAMATES. Organic sulfur compounds, derivatives of diothiocarbamic
acid, ferbam, nabam, zineb, ziran.
CARBON DISULFIDE. A soil fumigant to prevent spread of Armillaria root
rot, 13/5 ounces injected in holes 18 inches apart in staggered rows.
Also used to kill borers in trees by squirting it into openings in bark
from a machine-oil can, plugging hole with putty, or into digger-wasp
Carco-X (creosote 65%, gamma BHC 0.5%, Getzum Products, Sumner,
Wash.). Soil fumigant and contact insecticide sold for control of
cabbage maggot, carrot rust fly, weevils, etc.
CHLORANIL (tetrachloro-para-benzoquinone). For seed treatment, sold as