HORT 301 Lsmth

Why might a farmer need to use chemical options?

What can happen when chemicals are used ineffectively?

Definition of pesticide

any substance or mixture of substance used to kill, destroy, repel, or prevent growth and development of living organisms

Four ancient pesticides

What was the first pesticide used?

What pesticides did farmers switch to in in the 19th century?

Pyrethroids

What pesticides became popular after WWII?

What kind of chemical is DDT?

Why was DDT so popular?

What book did the EPA take into consideration when banning DDT?

When did the EPA restrict use of pesticides?

What did work in the 1990s shift to?

W

What are biopesticides?

microbial pesticides

Bt

How are pesticides grouped?

FRAC

fungicide resistance action committee

Two categories of pesticide uptake

contact pesticide

penetrant pesticides

localized penetrants

translaminar pentrants

acropetal penetrants

true systemic penetrants