OUTLINE OF CHAPTER XL 



PRUNING OF PLANTS. 



General Principles. 



1. Development of the Organism. 



2. Purpose of the Plant to Itself. 



3. Mutual Relation Between Root and Top. 



A. HOW TO PRUNE 



I. Nature of the Wound. 



1. Function of the Cambium. 



2. Effect of Improper Pruning. 



II. Removal of Large Limbs. 



III. Treatment of Wounds. 



1. Pine Tar. 



2. Grafting-wax. 



3. Lead Paint. 



IV. Pruning Back of Small Limbs. 



1. Removal of Buds. 



2. Removal of New Growth. 



B. WHEN TO PRUNE. 



I. Fall Pruning. 



1. Advantages : 



(1) CONSERVES FOOD. 



(2) PREVENTS DISEASE. 



2. Disadvantage : 



NOT CONDUCIVE TO HEALING. 



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