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.

3

Nitrogen

4

Nitrogen

Nitrogen deficiency causing leaf drop on fruit trees.

5

Phosphorus

6

Potassium

7

Calcium

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

8

Magnesium

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.

10

Boron

11

Boron

Boron deficienct cherry showing dieback of shoot terminals.

12

Copper

13

Chlorine

14

Iron

15

Manganese

16

Molybdenum

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

17

Zinc