What is wrong with my avocado plant?

Related questions

1. What pH do avocado trees like?
2. Does it take 9 months to grow an avocado?
3. What time of year do avocado trees bear fruit?
4. Do avocado trees need a lot of sun?
5. How long do avocado trees live?
6. Can avocado trees live in cold weather?
7. How tall is an avocado tree?
8. Do avocado trees need full sun?
9. Do avocados grow all year round?
10. Can I grow an avocado tree?

Tags

1. #disease
2. #which
3. #fungi
4. #avocado
5. #excess
6. #relatively
7. #california
8. #troubled
9. #persea
10. #serious
11. #accumulations
12. #moisture
13. #common
14. #trees
15. #pests
16. #thrives
17. #fungus
18. #various