1. Unit B: Establishing a Fruit Garden Lesson 5: Fertilizing Fruit and Nut Trees 1 Deficiency Symptoms Review

2. Please note: ◦ Every fruit will display some special characteristics when experiencing a particular deficiency. For example, a copper deficiency in apple has different characteristics than pear. ◦ These slides only show the general characteristics to look for. ◦ Use TM: B5-2 as a reference while observing these slides. 2

3. Nitrogen 3

4. Nitrogen 4 Nitrogen deficiency causing leaf drop on fruit trees.

5. Phosphorus 5

6. Potassium 6

7. Calcium 7 Apple calcium deficiency appears as slightly sunken round blemishes, more numerous at blossom end.

8. Magnesium 8

9. Sulfur Sulfur deficiencies are hard to diagnose as they are very similar to Nitrogen- yellow leaves, poor fruiting. The only difference is sulfur deficiency begins in younger leaves. 9

10. Boron 10

11. Boron 11 Boron deficienct cherry showing dieback of shoot terminals.

12. Copper 12

13. Chlorine 13

14. Iron 14

15. Manganese 15

16. Molybdenum Molybdenum deficiency is hard to diagnose as it is very similar to Nitrogen. Also, Molybdenum is very rarely deficient. 16

17. Zinc 17