R.B.BUCHANAN SEED CO. ^ MEMPHIS. TENNESSEE. 
FLOWERS 
ASTERS 
YELLOWS—A disease that causes dwarfing of the plant and yellowing of the leaves. 
Plants have a bushy appearance. 
WILT—This disease also turns foliage yellow. The stems are streaked in brown or 
black. Leaves also turn black. This disease is carried in the soil. 
LEAF SPOT—This disease causes brown spots on the leaves. These fungus troubles are 
partially controlled by spraying with Bordeaux Mixture once a week through the season. 
CALENDULAS 
CATERPILLARS—There are several kinds that eat the foliage. Spray with Dutox, 2 
tablespoonfuls to 1 gallon of water, to control these pests. 
CANNA 
CANNA LEAF ROLLER—This is a caterpillar which feeds on the leaves and may be 
found with the leaf rolled around it. 
SADDLEBACK CATERPILLAR—Another caterpillar which attacks the Canna is the Sad¬ 
dleback Caterpillar. These pests can be controlled by spraying or dusting with Dutox. 
CHRYSANTHEMUM 
LEAF SPOTS—This is one of the w'orst diseases of Chrysanthemums. The spots are 
dark and circular; affected leaves turn yellow. Spray with Bordeaux Mixture. 
RED BANDED LEAF ROLLER—The Red Banded Leaf Roller is one of the caterpillar 
pests attacking the Chrysanthemum. Spray or dust with Dutox. 
COSMOS 
ROT—This rot develops a greenish-fuzzy growth on affected parts. Use Bordeaux. 
DAISY 
LEAF BLOTCH—Large circular dead blotches on the leaves are caused by this disease. 
Spray the plants with Bordeaux Mixture. 
FOXGLOVE—LEAF SPOT—See Asters 
IRIS 
IRIS BORER—A pinkish-white worm with a brown head which burrows into the roots 
and crown of the plant. Spray new growth with 2 tablespoonfuls of Arsenate of Lead 
to 1 gallon water. 
LARKSPUR 
BLACK LEAF SPOT—This disease causes black, tarry spots in the leaves and stems. 
Spray with Bordeaux Mixture as soon as growth starts in the spring. 
NASTURTIUMS—APHIS OR PLANT LICE—See Roses. 
PANSY 
ANTHRACNOSE—This is a disease that causes small dead spots on the leaves, the spots 
being surrounded by a black border. Spray with Bordeaux Mixture. 
PEONY 
BUD BLIGHT—This disease blasts the buds, rots the young shoots, affects the leaves at 
the tip, extending back in a V-shape; diseased part is brown. Use Bordeaux Mixture. 
ANTS—Ants are common on peony buds, but they do not damage the buds or plant. 
They feed on a sweet secretion from buds. Use Acme Ant Kill. 
ROSE BEETLES—Long-legged clay-colored beetles about one-third inch in length. Spray 
or dust with Dutox. PHLOX 
MILDEW—The surface of the leaves becomes covered with a white powder. This disease 
may kill the leaves. Spray with 1% to 2 tablespoonfuls of Dry Lime Sulphur to 1 gallon 
water, or dust with Superfine Sulphur. 
LEAF SPOT—This disease causes brown spots on the leaves. Spray with Bordeaux. 
ROSES 
BLACK SPOT—This disease causes large black circular spots on the leaves. They later 
turn yellow and fall. Dust with Manganar Dust or spray with Bordeaux. 
BROWN CANKER—This disease shows up as purple spots on the stem and leaves. The 
blossoms are often attacked. Spray with Bordeaux Mixture. 
CATERPILLARS—There are several different kinds of Caterpillars that attack Roses. 
The stinging Rose Caterpillar is one. Dutox will destroy all caterpillars. 
MILDEW—This disease covers the leaves, buds and young shoots with a white, flour-like 
mold. To control this, dust once every five days with Manganar Dust. 
LEAF ROLLER—Leaf Rollers often attack Roses. The Oblique Banded Leaf Roller feeds 
on the leaves and buds. To control this pest dust with Manganar Dust. 
ROSE SCALE—A gray or whitish circular scale that readily sloughs off. Spray in the 
early spring before the buds open or in late fall after the leaves are off, with Volck 
or Oil Emulsion. 
APHIS OR PLANT LICE—These are small, soft-bodied insects. They are green, red and 
black in color and cluster around the young shoots and under the leaves, causing the 
leaves to curl under. These pests attack every kind of flower and shrub. To control 
them, spray regularly once every four or five days with Evergreen or Black Leaf 40. 
SNAPDRAGON 
BLIGHT—This disease causes yellow' spots on the leaves. Later they turn dark. 
ANTHRACNOSE—This disease is like blight. Spray with Bordeaux Mixture. 
RUST—One of the most serious diseases of Snapdragons; rusty brown pustules of 
spores formed on leaves and stems. Use Manganar Dust or Superfine Sulphur. 
ZINNIA 
LEAF SPOT—This disease causes large black spots on the leaves, which can be con¬ 
trolled by using Bordeaux Mixture. 
WEBWORMS OR CATERPILLARS—Webworms attack many different flowers, shrubs 
and trees. It is one of the common caterpillars. Spray with Dutox or Arsenate of Lead. 
San Jose Adult Female Scales En¬ 
larged. A Sucking Insect. Found 
on Most Fruit, Nut and Shade 
Trees. See Page 66 for Description. 
Aphis or Plant Lice on Roses. 
These Pests Attack Nearly Every 
Kind of Flower and Shrub. 
Black Spot on Roses. A Serious 
Fungus Disease Which Requires 
Constant Attention. 
Aphis or Plant Lice on Nasturtiums 
(Page 69) 
