This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
Arsenicals to kill the beetles. Plant new beds at a distance from old ones.
From July to the close of the season the lice appear in great numbers on the crowns and on the roots of the plants.
Rotation in planting. Disinfect plants coming from infested patches by dipping the crowns and roots in kerosene emulsion, or tobacco extract. Fumigation.
Larva nearly 3/4inch long, greenish, feeding upon the leaves; two broods.
Hellebore; arsenicals for second brood.
Beetle 1/8 inch long, reddish black, feeding on flower-buds, particularly those of the pollen-iferous varieties.
Plant principally profusely flowering varieties. Clean culture. Destroy all wild blackberry and raspberry vines in the vicinity.
See Aster. (They puncture and kill the flower-stems.)
Poisoned bait; late planting; keep the land free from weeds the previous fall.
Small, dark-colored beetles, which attack the plants soon after they are reset.
Dip the plants in a strong solution of arsenate of lead before resetting, spray once or twice later with the same. Rotation of crops. Destroy all bindweed and wild morning-glory plants.
A whitish grub 1/4 inch in length, burrowing through the tubers.
Burn infested tubers and the vines.
Small larva about 1/4 inch long, working upon the leaves. The fly is about the size of a house-fly.
Hellebore and arsenicals.
Beetles of brilliant colors and their slug-like larva which eat holes in the leaves of newly reset plants.
Same as for next.
Whitish grub, 2/5 inch in length, burrowing in the twigs.
Cut and burn all infested branches.
Large grubs, 1 1/2 inches long, burrowing under the bark.
A small maggot attacking the pods.
Spray when flies appear with sweetened arsenate of lead, four pounds to one hundred gallons of water.
Small active insects attacking leaves and pods. In the young the abdomen is banded with red.
Careful cultivation to produce vigorous growth.
Dip the young plants in a strong solution of arsenate of lead. Bordeaux mixture acts as a repellent.