KFFECT OF FERTILIZATION ON SEED 



L39 



TABLE 1 

 Description of trees 



1. Very thrifty tree; fast growing; 80 feet high; heavy foilage. 



2. Insect-infested tree (Dendroctonus valens); otherwise thrifty; tree died in 



second year. 



3. Suppressed tree; 35 feet high; 110 years old; suppressed by other pines and 



oak [Quercus calif ornica); very slow growth. 



4. Mistletoe-infested tree; very bushy and limby; some limbs almost touching 



ground; many branches dying. 



5. Thrifty tree; open grown; 75 feet high: low crown. 



6. Suppressed tree; 30 feet high; badly malformed; damaged by a falling tree; 



diseased; very slow growth; suppressed by golden cup oak (Quercus 

 chry sole pis) and pines. 



7. Mistletoe-infested tree; very bushy top; 55 feet high. 



8. Very thrifty, fast-growing tree, 60 feet high, crown enclosed on two sides. 



TABLE 2 

 Tree unions 



For unions 11, 12, and 13, pollen was collected from different parts of the tree 

 and mixed before fertilizing. 



For unions 12 and 15, pollen was collected from nearest flowers on the same 

 branch. 



were handled alike. From the seed data which were gathered, 

 the accompanying tables were prepared : 



From the germination secured in the nursery tables 3 to 5 

 were made, the data being the percentage of germination at 



