BUD VARIATION IN THE LISBON LEMON. 



57 



Table IX. — Diameter of rings used in pickin;; J'ruils of the Green grade from the lemon 

 trees of the Lisbon variety in the investigational 'performance-record plat during the 

 4-year period from July, 1913, to June, 1917, inclusive. 



Month. 



July 



August 



September. 

 October. . . 

 November. 

 December. 



Diameter of ])ickmK ring for 

 tireen-grade fruit (inches). 



1913-14 1914-15 1915-16 1916-17 



2A 



^9 3 



2aS 



010 



25? 



2 A 



Month. 



January . . 

 February. 



March 



April 



May 



June 



Diameter of picl<inK ring for 

 Green-grade fruit (inches). 



1913-14 1914-15 1915-16 1916-17 



o s 



2A 

 255 



2 St 

 010 



2A 



2A 



255 

 910 



In figure 7 the data are rearranged to show more clearly the varia- 

 tions between the various strains during the different months. The 

 differences would be best illustrated by representing the production 

 for each strain by a curve, but on account of the nature of the resulting 



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Fig. 8. — Diagram showing the percentage of the total crops of fruit of Lisbon lemons of the Green grade 

 which were produced each month by the trees of th e Lisbon, Bull, and O pen strains in the investigational 

 performance-record plat during the 3-year period from July, 1914, to June, 1917, inclusive. 



curves it was impracticable to represent them all clearly on a single 

 small-sized chart. In figure 8 are shown curves for the monthly 

 production of the Green-grade fruit from the trees of the Lisbon, 

 Bull, and Open strains, illustrating their variations during the sea- 

 son of heaviest bearing. 



