10 



BULLETIN 993, U. S. DEPARTMENT OF AGRICULTURE. 



Table 3. — Composition of Villa Franca lemons grown in various sections of Cali- 

 fornia — Continued. 



Escondido (Tree 7). 



Sam- 

 ple 



No. 



Month 

 picked. 



Color. 



Thickness of 

 peel. 



Specific 

 gravity 

 ef fruit. 



Oil in 



fruit, by 

 weight. 



Oil per 

 ton of 

 fruit. 



Acid in 



fruit. 



Acid 

 per ton 



of fruit. 



Acid in 

 juice. 



504 

 535 

 569 



July 



Aug 



Sept 



Oct 



Nov 



Dec 



Feb 



Mar 



LG-LY... 

 DG-LG... 



DG 



DG 



Thin-thick 



Medium-thick. . . 

 Thick.. . . 



0. 9388 

 .9427 

 .9198 

 .9268 

 .9410 

 .9115 

 .9210 

 .9221 

 .9330 

 . 9185 

 .9395 

 .9332 

 .9598 



Per cent. 

 0.48 

 .58 

 .60 

 .58 

 .50 

 .65 

 .38 

 .42 

 .38 

 .50 

 .54 

 .42 

 .51 



Pounds. 

 9.6 

 11.6 

 12.0 

 11.6 

 10.0 

 13.0 

 7.6 

 8.4 

 7.6 

 10.0 



Per cent. 

 2.87 

 3.10 

 2.20 

 2.61 

 2.58 

 2.19 

 2.56 

 2.54 

 2.65 

 S. ftfi 



Pounds. 

 57.4 

 62.0 

 44.0 

 52.2 

 51.6 

 43.8 

 51.2 

 50.8 

 53.0 

 61.2 

 50.8 

 52.6 

 56.8 



Per cent. 

 5.46 

 5.42 

 5.74 



600 



do 



5.92 



627 



LG 



... .do 



6 27 



672 



LG 



do 



5.99 



767 



LY 



LY 





6.16 



827 



Thick 



5.81 



886 



Apr j LG 



May | LY 



June 1 LG-LY... 



July 1 LG 



Au<? ! LG 





5.67 



926 



do 



6.13 



972 



Thick 



10.8 2.54 

 8.4 2.63 

 10.2 2.84 



5.64 



1022 



do 



5.99 



1063 





5.64 











Average 





.3314 



.50 



10.1 



2.64 



52.9 j 5.83 



TVB3TTIEE (Tree 17). 



647 



Dec 



Jan 



Feb 



Mar 



Apr 



May 



June 



July 



Aug 



SeDt 



Nov 

 Dec 



LG 



LY 



FY 



LY 



Thick 



0. 9077 

 .9025 

 .8917 

 .8903 

 .9093 

 .9233 

 .9309 

 .9311 

 .9499 

 . 9447 

 .9167 

 . 9515 

 .9435 



0.62 

 .50 

 .52 

 .44 

 .44 

 .51 

 .46 

 .56 

 .58 

 .59 

 .51 

 .49 

 .56 



12.4 

 10.0 

 10.4 



8.8 



8.8 

 10.2 



9.2 

 11.2 

 11.6 

 11.8 

 10.2 



9.8 

 11.3 



3.30 

 3.24 

 3.17 

 3.00 

 3.31 

 3.45 

 3.37 

 3.22 

 3.12 

 3.40 

 2.71 

 2.66 

 2.47 



66.0 

 64.8 

 63.4 

 60.0 

 66.2 

 69.0 

 67.4 

 64.4 

 62.4 

 68.0 

 54.3 

 53.2 

 49.4 



7.11 



694 





6.79 





Thick 



6.46 



809 



do 



6.70 



864 



LY 



do 



6.67 



910 



LY 



LY 



LG 





7.11 



956 



Thick 



7.23 



1014 



do 



6.91 



1045 



DG 



DG-LY 

 DG 





6.69 



1069 



do 



6.44 



1081 



do 



6.55 



1097 



LG-Y 



do 



6.51 



ins 



LG-Y 



Thick 



7.28 













.9225 



.52 



10.4 



3.11 



62.2 



6.80 











Table 4. — Composition of Eureka lemons {Tree 9) grown in Lemon Cove, Calif. 



Sam- 

 ple 

 No. 



Month 

 picked. 



Color.i 



Thickness of 

 peel. 



Specific 

 gravity 

 of fruit. 



Oil in 

 fruit, by 

 weight. 



Oil per 

 ton of 

 fruit. 



Acid in 



fruit. 2 



Acid 

 per ton 

 of fruit. 



Acid in 

 juice. 2 



602 

 623 



Oct 



Nov 



Dec 



Jan 



Feb 



Mar 



Average . 



LG 



LY 



FY 



FY 



FY 



FY 



Medium 



do 



0. 9481 

 .9406 

 .9368 

 .9166 

 . 8752 

 .8485 



Per cent. 

 0.62 

 .62 

 .54 

 .56 

 .41 

 .38 



Pounds. 

 12.4 

 12.3 

 10.8 

 11.2 

 8.2 

 7.6 



Per cent. 

 3.75 

 3.50 

 3.42 

 3.08 

 2.98 

 2.32 



Pounds. 

 75.0 

 70.0 

 68.4 

 61.6 

 59.6 

 46.4 



Per cent. 

 7.00 

 6.06 



665 



.. do 



6.20 



703 



do 



6.13 





Thick . 



5.83 



819 





4.59 











.9110 



.52 



10.4 



3.18 



63.5 



5.97 











iDG, dark green; LG, light green; LY, li?ht ysllow: FY/, full yellow. 

 " All acid is calculated as citric with water of crystallization. 



Table 5. — Composition of lemons (Tree 19), variety unknown, grown at Yuma, Ariz. 



Sam- 

 ple 

 No. 



Month 

 picked. 



Color.i 



Thickness of 

 peel. 



Specific 

 gravity 

 of fruit. 



Oil in 

 fruit, by 

 weight. 



Oil per 

 ton of 



fruit. 



Acid in 

 fruit.* 



Acid 



per ton 

 of fruit. 



Acid in 

 juice. 2 



620 



Nov 



Dec 



Dec 



Feb 



LY 



FY 



LY 



Medium 



Thin 



0.9636 

 .981S 

 . 9527 

 .9325 



Per cent. 



0.05 



.68 



.57 



.40 



Pounds. 

 13.0 

 13.6 

 11.4 

 8.0 



Per cent. 

 3.99 

 3.95 

 3.72 

 3.88 



Pounds. 

 79.8 

 79.0 

 74.4 

 77.6 



Per cent. 

 6.93 

 6.81 



657 





6.77 



762 



FY 



Very iliin 



6.31 







.9576 



.57 



11.5 1 3.88 



77.7 



6.70 











i DG, dark green; LG, light green; LY, light yellow; FY, full yellow. 

 2 All acid is calculated as citric with water of crystallization 



