1. Fungicides, Rodenticides, Molluscicides, and Nematocides
Unit 19

2. Fungicides Control fungi Spores Rusts, mildew, molds, smut
Lack chlorophyll
Spores

3. How Fungicides Work
Prevent germination and/or growth
Systemic

4. Effects of Fungus Leaves Leaf spot diseases
Destroys cells that manufacture food
Rust disease

5. Effects of Fungus
Stems, Fruit, and Seed Pods
High humidity and rain

6. Effects of Fungus Roots Root rot and root mold
Soils that do not drain well

7. Rodenticides
Rats, mice, other rodents
Stomach poisons
*Warfarin

8. Molluscicides Snails and Slugs Hide during day, feed at night
Snails vs. Slugs
Slimy trail
Cool, moist place

9. Molluscicides Control Rough sand, ashes, gravel, cinders Pan of beer
Yeast w/ water
*Escar-Go!

10. Nematocides Small hairlike worms, feed on roots
Swim in soil water from plant to plant
Control
Fumigants