1. 364.T1 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Fungi Fungi are microscopic plants which lack chlorophyll and conductive tissue. They cause: - Stem rust- Brown rot - Corn smut- Damping off - Powdery mildew

2. 364.T2 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Fungi Life Cycle Spore Production:

3. 364.T3 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Bacteria Bacteria are microscopic single-celled organisms. They cause: - Galls- Scabs - Leaf spots - Systemic disorders - Soft rots

4. 364.T4 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Bacteria Life Cycle Division:

5. 364.T5 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Nematodes Nematodes are very small non-segmented worms. Nematodes cause: - Galls on roots.- Root lesions. - Injured root tips.- Lower yields. - Excessive root branching.- Decreased plant health.

6. 364.T6 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Nematode Excretory Pore Spear Esophagus Gut or Intestine Anus Ovary Vulva Ovary

7. 364.T7 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Nematode Damage This type of nematode feeds and moves outside of roots throughout its life.

8. 364.T8 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Viruses Pathogenic particles which infect higher plants and animals. Viruses can only multiply in living cells. Viruses cause: –Stunting of plants. –Yellow mosaic patterns on leaves. –Flower break. –Vein clearing (chlorosis of leaves)..

9. 364.T9 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Virus Life Cycle Synthesis: ( A virus needs to be inside a living cell to multiply.)

10. 364.T10 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Other Invertebrate Pests Sucking Insects Chewing Insects Mites

11. 364.T11 Model Agricultural Core Curriculum: Supplement University of California, Davis Damage Caused By Plant Pests Other Invertebrates Pests (cont’d.) SnailSlug Centipede Millipede