56 



BULLETIIsT 815, V. S. DEPARTMENT OF AGRICULTURE. 



trees of the Lisbon strain. The trees of the Dense-Unproductive 

 strain bore the most of their fruit of the Green grade from October 

 to February, inclusive, yielding their heaviest crops in December 

 and January. 



Table YIII. — Average yield and percentages of total yield of fruit of the Green and Tree- 

 Ripe grades picked each month from the lemon trees of the various strains of the Lisbon 

 variety in the investigational performance-record plat during the 3-year period from 

 July, 1914, to June, 1917, inclusive. 



[Thestrainsarelistedin the order of their total-production rani; for 4 years, as shown in .Table VI.] 



Description of trees. 



Num- 

 ber of 

 trees. 



July 



Aug. 



Sept. 



Oct. 



Nov 



Dec 



Jan. Feb. 



Mar. 



Apr. 



June. 



PRODUCTION (IN 

 POUNDS) AVERAGE. 



Green grade: 



Highest producing 

 (irrespective of 

 strain) 



Lisbon st rain 



Bullstrain . 



Sporting strata 



Entire plat 



Open strain 



Lowest producing 

 (irrespective of 

 strain) 



Dense- Unproduc- 

 tive strain 



Tree- Ripe grade: 



Highest producing 

 (irrespective of 

 strain) 



Lisbon strain 



Bullstrain 



Sporting strain 



Entire plat 



Open strain 



Lowest producing 

 (irrespective of 

 strain) 



Dense - Unproduc- 

 tive strain 



PERCENTAGE OF "WEIGHT 

 OF TOTAL CROP.l 



Green grade: 



Highest producing 

 (irrespective of 

 strain) 



Lisbon strain 



Bullstrain 



Sporting strain 



Entire plat 



Open strain 



Lowest producing 

 (irrespective of 

 strain) 



Dense - Unproduc- 

 tive strain 



Tree-Ripe grade: 



Highest producing 

 (Irrespective of 

 strain) 



Lisbon strain 



Bullstrain 



Sporting strain 



Entire plat 



Open strain 



Lowest producing 

 (irrespective of 

 strain) 



Dense - Unproduc- 

 tive strain 



10 

 22 

 11 

 3 

 121 

 77 



10 

 22 

 11 

 3 

 121 

 77 



18.52 

 21.95 

 6.95 

 11.92 

 21.42 

 25.57 



5.55 



5.84 



5.10 



3. 



7. 



9.20 



10 

 22 

 11 

 3 

 121 

 77 



10 

 22 

 11 

 3 

 121 

 77 



2.31 



.17 



2.93 

 2.96 



2.19 

 4.85 



5.68 

 3.44 



6. '26 

 9.67 

 .95 

 3.99 

 8.16 

 9.67 6.57 



2.58 3.63 

 .93 .04 



3.1 

 4.1 

 1.2 

 2.4 

 6.2 

 9.4 



2.9 

 1.7 



7.5 



9 



2.0 



6.4 



7.7 



7.6 



.8 

 2.2 

 3.4 



1.2 

 .1 



3.5 



2.9 



1.7 



3.5 



4. 



5.2 



10.8 

 .4 



3.60 



2 



6 



6.53 



3.33 



3.06 



2.38 

 2.31 



2.07 

 2.59 

 1.09 

 1.63 

 4.99 

 6.86 



1.42 

 .26 



.5 

 1.1 

 1.3 



1.2 

 1.1 



2.5 

 2.6 

 2.3 

 2.6 

 4.7 

 5.4 



35.34 

 18.23 

 56.13 

 33.63 

 13.23 

 3.85 



18.90 

 23.19 



1.91 

 2.63 

 .59 

 1.33 

 4.43 

 6.03 



1.22 

 .36 



5.9 

 3.4 

 9.9 

 6.7 

 3.8 

 1.4 



9.6 

 11.2 



2.3 

 2.6 

 1.3 

 2.1 

 4.2 

 4.8 



35.81 

 20.40 

 58.09 

 32.17 

 14.26 

 4.77 



66.23 

 45.65 

 89.16 

 61.76 

 27.57 

 11.60 



89.05 

 74.42 

 96.35 

 90.83 

 40.03 

 20.81 



.45 

 88.79 

 77.12 

 68.14 

 50.05 

 36.45 



17.90 

 21.65 



1.33 

 1.32 

 1.11 

 .74 

 2.03 

 2.60 



4.2 3.6 

 2. 5 3. 4 



6.0 

 3 

 10 

 6.5 

 4, 

 1, 



9.1 

 10.5 



1.6 

 1.3 

 2.4 

 1.2 

 1.9 

 2.1 



28.53 

 34.09 



3. 



3.84 

 4.22 

 2.58 

 3.69 

 3.97 



.60 

 .16 



11.0 

 8.5 

 15.7 

 12.5 

 7.9 

 4.3 



14.6 

 16.5 



4.7 



3 



9.0 



4.1 



3.5 



3.1 



1.8 

 1.5 



29.67 

 33.98 



27.57 

 30.45 



101.42 

 94.85 

 74.42 

 71.63 

 57.28 

 47.46 



19.48 

 19.53 



70. 81 50. 37 



72.71 

 56.04 

 60.25 

 49.27 

 44.22 



20.76 

 19.99 



9.32 

 9.16 

 8.15 

 6.68 

 8.69 

 9.53 



2.18 

 .71 



14.8 

 14.0 

 16.9 

 18.4 

 11.5 

 7.6 



15.1 

 16.5 



11.1 

 9.1 

 17.3 

 10.6 



8.2 

 7.5 



13.67 

 13.66 

 6.92 

 6.27 

 10.28 



13. 05 10. 68 



13.32 

 7.01 

 10.42 

 13.07 

 10.92 15.16 



1.90 

 .97 



16.1 

 16.7 

 13.6 

 13.8 

 14.4 

 13.4 



14.1 

 14.7 



16.3 

 13.6 

 14.7 

 10.0 

 9.8 

 8.6 



5.7 

 9.3 



3.21 

 1.56 



16.9 

 17.8 

 13.1 

 14.5 

 16.5 

 17.4 



10.0 

 9.5 



15.6 

 13.3 

 14.9 

 16.6 

 12.4 

 12.0 



15.52 

 7.73 

 9.44 

 19.86 

 25.10 



7.39 

 1 



11.8 

 13.6 

 9 



12.2 

 14.2 

 16.2 



10.6 

 9.7 



12.7 

 15.4 

 16.4 

 15.0 

 18.9 

 19.8 



9.5 21.9 

 14.9 18.1 



60.03 

 22.60 

 30.41 

 39.01 

 38.31 



15.37 

 13.80 



10.58 

 16.50 

 4.23 

 8.06 

 15.94 

 19.15 



5.74 

 2.57 



8.4 

 11.3 

 4.0 

 6.1 

 11.2 

 14.1 



7.8 

 6.7 



12.6 

 16.4 

 9.0 

 12.8 

 15.1 

 15.1 



26.60 

 27.11 

 20.82 

 23.50 

 24.75 

 26.85 272.16 



7.33 

 3.95 



8.10 

 9.31 

 4.24 

 9.53 

 9.35 

 10.97 



4.4 



5.1 



3.7 



4, 



7, 



9.9 



3.7 

 1.9 



9.7 

 9.3 

 9.0 

 15.2 

 8.9 

 8.7 



17.1 10.1 

 24. 6 8. 2 



1 The season percentage is calculated on the production for the 4 months, May to August, inclusive. 



