- -   AGRICULTURE CORE CURRICULUM  - -

(CLF7000)  Advanced Core Cluster:  PLANT SCIENCE AND SOIL SCIENCE

    (CLF7600)  Unit Title:  PRUNING

                               UNIT DIRECTORY:

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        Code         Topic Title                          Hours     Year(s)
____________________________________________________________________________

       (CLF7601)     Purposes of Pruning                    1        3 / 4  

       (CLF7602)     Definition of Pruning Terms            1        3 / 4 

       (CLF7603)     Use and Maintenance of Equipment       1        3 / 4 

       (CLF7604)     Pruning System                         1        3 / 4 

       (CLF7605)     Time of Pruning                        1        3 / 4 
                                                                           
       (CLF7606)     Pruning to establish Scaffolds         1        3 / 4 

       (CLF7607)     Treat Pruning Wounds                   1        3 / 4 
                                                                           
       (CLF7608)     Pruning Grapevines                     2        3 / 4 
                                                                           
       (CLF7609)     Pruning Evergreen Fruit Trees          1        3 / 4  
                                                                           
                                    TOTAL TIME FOR UNIT =   10 


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UNIT GOAL:  Students will identify the important principles involved in 
            pruning and demonstrate the techniques necessary for pruning 
            trees and vines.

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UNIT OBJECTIVES:  Upon completion of this unit, the students will be able 
                  to:

1.  Discuss why pruning is necessary in crop production.

2.  Explain the purposes of pruning fruit trees.

3.  Define the following pruning terms:  basin crotch, head, fruiting wood,
    leader, prune, scaffold, spur, sucker, thin, train, and watersprout.

4.  Identify, use, and proerly maintain pruning equipment.

5.  Prun, open center, modified central leader, and central leader type 
    trees.

6.  Explain the difference between the three major types of tree pruning 
    systems.

7.  Discuss the purposes of training trees to one of the three systems.

8.  Prune small fruit trees grown locally.

9.  Identify the appropriate time for pruning both trees and vines and
    discuss why the time of pruning is important.

10. Demonstrate how to prune to establish scaffold branches.

11. Discuss when it is appropriate to treat pruning wounds and demonstrate 
    the proper methods of treatment.

12. Identify 3 common training systems (head, cordon, cane) that are
    currently used in Calif., and name a variety trained to each system.

13. Demonstrate a grapevine pruning technique in class.

14. Using specific terms, identify the external parts of a grapevine.

15. Define the following terms related to grapevine pruning head, cordon, 
    cane, renewal spur, replacement spur and spur.

16. Discuss methods of pruning evergreen fruit trees.


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REFERENCES

Mika, A.  (1986).  PHYSIOLOGICAL RESPONSES OF FRUIT TREES TO PRUNING. 
  Horticulture Reviews. 

Shigo, A. L.  (1986).  A NEW BIOLOGY: FACTS, PHOTOS, AND PHILOSOPHIES ON TREES 
AND THEIR PROBLEMS AND PROPER CARE.  Durham, New Hampshire: Shigo and 
  Trees, Associates. 

Stebbins, Robert L.  (1980).  TRAINING AND PRUNING APPLE AND PEAR TREES.
  Pacific Northwest Extension Publication.  (PNW156).

University of California,.  ALMOND ORCHARD MANAGEMENT.  UC Extension
  Publications.  

University of California,.  CARE OF FRUIT TREES IN THE HOME ORCHARD.
  Leaflet 2759.

University of California,.  PRUNE ORCHARD MANAGEMENT.  UC Extension
  Publications.  

University of California,.  PRUNING DECIDUOUS FRUIT TREES.  Circ 444.

University of California,.  PRUNING GRAPEVINES.  Cir. 477.

University of California,.  PRUNING LANDSCAPE TREES.  AXT-288 or Leaflet
  2574.

University of California,.  TRAINING AND PRUNING FRUIT TREES AROUND THE
  HOME.  Leaflet 2252.

University of California,.  TRAINING YOUNG WALNUT TREES.  Modified Central - 
  Leader system.  Leaflet 2471.

University of California,.  VINEYARD MANAGEMENT FOR PEACHES, PLUMS AND 
  NECTARINES, GROWING AND HANDLING FOR FRESH MARKET.  UC Extension
  Publications.  

University of California,.  WALNUT ORCHARD MANAGEMENT.  UC Extension
  Publications.  


7/25/90 sg

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