Chapter 18 Insecticides
Dusts
applied with dusters, can be blown around
Granules
come in the form of small pellets and are spread on soil, either penetrate soil or fumigate in insects
Chlorinated Hydrocarbon
contains large chemicals that have long residual control
Organophosphates
contains some chemicals most toxic to warm-blooded animals, absorbed through skin
Organic Compound
derived from plants
Carbamates
group of synthetic organisms that contain some of the safest insecticides out there
Aerosols
in pressurized cans, usually used on small insects
Timing Insect Control
insects must be killed when actively feeding or moving about the plant
Contact Poison
kills an insect when they come in contact with this
Larger Dusters, Sprayers, and Granular Application
large scale application of sprays, dusts, and granules
Emulsifiable Concentrates
liquids that are mixed with water similar to wettable powders
Identifying Insect Damage
look for insects
Inorganic Compound
of mineral origin, usually a stomach poison, Ex: Lead
Plants as Insect Repellents
plants can be used to prevent attacks by insects
Baits
poisonous materials that attract insects
Spikes
pushed into the soil around the plants
Organic Gardener
relating to, produced with, or based on the use of fertilizer of plant or animal origin without employment of chemically formulated fertilizers or pesticides
Applying Proper Amount
requires calibration of sprayers and dusters
Wettable Powder
similar to dusts but more are more concentrated so they have to be diluted
Chemical Sterilant
use of gamma radiation to sterilize insects
Hand-Operated Dusters and Sprayers
used in greenhouses and on school grounds
Synthetic Organic Compound
very effective against insects but toxic to humans, not found naturally
How many chemical makeups of insecticides are there?
3
Repellents
Doesn't kill the insects, drives them away
Systemic Poison
Enters plant sap and kills the insect when they suck sap out
Fumigants
Gas or fumes that kill the insect after entering it's system through breathing pores
Stomach Poison
Insect must chew their food for this to work
Attractants/Pheromones
Lures insects to their death
Insect
a small animal with 3 clearly defined body parts and 3 pairs of legs