4 



Tree No 



Height Cfeet) 



Diameter breasthiph (inches). 



Age (years) 



Clear length 



Condition of bole 



Condition of crown 



Fire scar? 



Spike top? 



Other peculiarities 



Yield of cones (bushels) 



Condition of cones 



Number of cones in sample . 

 Dry weight sample (pounds). 



Weight seed (ounces) 



Site: 



Exposure and slope 



Soil 



Ground cover 



Stand 



Table 1. — Comparative germination of seed of icestern yellow pine- 



ment Station. 



Coconino Experi- 





Dtiration of test (days). 



Basis. 



i 



Aver- 

 age 



yield 

 of 



cones 

 per 

 tree. 



Basis. 



Aver- 

 age 

 amoimt 

 of seed 



per 

 pound 

 of dry 

 cones. 



Basis. 



Aver- 

 age 

 num- 

 ber of 

 seed 

 per 

 pound. 





Tree class. 



15 



20 



25 



30 



40 



50 



Basis. 





Average germination 

 (percent). 





Yellow pine 



42 

 52 

 41 

 53 

 43 

 44 

 46 

 41 

 56 



63 

 68 

 55 

 53 

 36 

 48 

 35 

 33 

 29 

 56 

 48 

 54 



58 

 69 

 55 

 71 

 58 

 55 

 62 

 57 

 77 



78 

 84 

 68 

 68 

 50 

 63 

 74 

 55 

 42 



56 

 86 



61 

 72 

 57 

 74 



o7 

 65 

 61 

 78 



80 

 86 

 70 

 70 

 54 

 69 

 81 

 58 

 45 

 78 

 61 

 86 



64 

 74 

 61 

 76 

 69 

 59 

 68 

 65 

 79 



82 

 87 

 71 

 72 

 58 

 75 

 82 

 61 

 47 

 82 

 66 

 88 



67 

 75 

 63 

 77 



I 



70 

 68 

 79 



&3 

 87 

 73 

 74 

 61 

 77 

 82 

 64 

 49 

 83 

 72 

 88 



68 

 76 

 64 

 78 

 71 

 61 

 70 

 69 

 79 



84 

 87 

 73 

 74 

 62 

 77 

 82 

 66 

 50 

 84 

 74 

 88 



Trees. 

 60 

 38 

 28 

 34 

 34 



4 

 73 1 

 18 i 



9 ! 



4 

 2 



I 



11 



\ 



8 

 5 

 2 

 2 



1 



Bush. 

 1.8 

 1.0 

 1.8 

 1.0 

 1.7 



Trees. 

 55 



8 

 27 



8 

 30 



Ounces. 

 1.3 

 1.7 

 1.2 

 1.5 

 1.4 

 1 9 

 1.4 

 1.5 

 1.8 



1.5 

 1.0 

 1.5 

 1.3 

 1.4 

 1.2 



Trees. 

 47 

 36 

 20 

 13 

 27 



2 

 59 

 16 



8 



3 



1 

 5 

 6 

 7 

 3 



12.065 

 12,624 

 11.362 

 12,305 

 12,644 

 15, 3.-.2 

 12, 223 

 12,498 

 12,294 



Trees. 

 62 



Blackjack 



38 



Healthy vellow pine. . . 



Healthy blackjack 



Unhealthy yellow pine. 

 Unhealthy blackjack . . 



Open standi 



Medium stand i 



Dense stand ' 



28 



34 



34 



4 



1.8 

 1.1 



l'2 

 1.1 



.8 

 1.5 

 1.7 



\l 



2.1 

 1.0 

 1.5 

 2.3 

 1.5 



si 



13 

 4 



3 

 2 

 6 

 6 

 10 

 4 

 1 

 8 

 5 

 1 



\ 



73 

 18 

 9 



By decades: 1 

 140 





150 







160 







170 



1 



180 



I 



190 



1 1 



200 





210 



1.3 



1.2 



1.0 



.9 



2.0 



5 

 5 



1 

 2 





220 



1 ! 



230 







240 





250 



1 



260. 





270 



















:: 1 



j 



280 



20 

 43 



24 

 52 



26 

 57 



33 

 60 



38 

 61 



39 

 61 



2 

 2 



2.1 

 .6 



2 



2 



1.2 

 1.5 



2 

 2 



i 



290 





300 





310 



36 1 53 



3 ' 7 



57 

 8 

 80 

 55 

 82 



62 

 14 



81 

 62 

 83 



63 

 22 

 83 

 70 

 83 



63 

 36 

 83 

 71 

 83 



1 

 1 

 1 

 3 

 2 



.3 

 2.0 

 2.0 

 1.3 

 3.3 



\ 



1 

 2 

 2 









320 



i 1.3 



.9 



1.4 



2.0 



1 

 1 

 2 



1 





330 



38 

 26 

 70 



79 

 50 

 80 





340 





350 





360 





370 





















:::::::::::::::: 





380 



12 

 61 

 43 



52 



45 

 37 



15 

 70 

 76 



71 

 61 



52 



16 



72 



77 



73 

 65 

 54 



18 

 74 

 73 



77 

 58 



24 

 75 



78 



78 

 70 

 62 



27 

 75 

 78 



81 

 71 

 63 



1 

 2 



1 



20 



364 



16 



2.5 

 3.0 

 2.0 



1 

 2 



1 



1.2 

 1.2 

 .9 



1 

 2 



1 





390 





400.. 



1 



Below 140 (diameter 

 breast-high 14 inches 

 and below) - 



13,256 

 11,652 

 13,447 



21 



140-2501 



260-4001 



1.6 

 2.0 



49 

 15 



1.3 

 1.3 



39 

 13 



63 

 16 



1 All trees. 



2 Blackjack, not cut. Age estimated. 



3 Includes 10 "blackjack" 15-22 inches diameter breast-high and 1 "yellow pine" 17 inches diameter 

 breast-high whose exact age was not determined. 



[Cir. 1961 



