Important: Safety Warning
This page contains a formula or preparation using substances now known to be dangerously toxic, such as arsenic, mercury, lead, or cyanide compounds. Exposure to these substances can cause severe poisoning, permanent injury, or death.
In addition, this page recommends pest-control substances such as arsenic compounds, strychnine, or cyanide — in some cases applied to food crops. These substances are lethal to humans and animals, and their use is now banned or strictly controlled.
This information has been left in for historical purposes but should not be acted upon.
Home › Contents › Spray Formulas for Combating Leaf Eating Insects
Spray Formulas for Combating Leaf Eating Insects
Arsenate of lead paste, 1 tablespoonful to 1 gallon of water; paris green, 1 heaping teaspoonful; lump lime, 3 ounces; water, 3 gallons. Hellebore may be used in the dry form or as a spray. As a spray mix 1 ounce in 1 gallon of water. When used dry, mix 1 part hellebore with 4 parts flour. Sprinkle on the foliage preferably while it is still wet with dew. Hellebore should be purchased as required as it loses its strength with age.