BULLETIN 1255, U. S. DEPARTMENT OF AGRICULTURE. 



Table 1. — Composition of Eureka lemons of different strains (monthly samples) . 



Sample No. JjgJ 



Spe- 

 cific 

 grav- 

 ity of 

 fruit. 



Aver- 

 age 

 weight 



of 

 fruit. 



Oil. 



Rind. 



Pulp. 



Juice. 



Insol- 

 uble 

 solids 



in 

 pulp. 



Total 

 sugar 



in 

 juice. 



Acid 



in 

 juice. 



EUREKA STRAIN 

 :,TREE 34-57-5). 



1563 



June. 



July 



August 



September.. 



October 



November.. 

 December. _. 



January 



February 



March 



October 



November.. 

 December.. . 

 January 



0. 9416 

 .9355 

 .9394 

 .9437 

 .9624 

 .9080 

 .9098 

 . 9133 

 .9087 

 .9086 

 .9527 

 . 9588 

 .9457 

 .9322 



Grams. 

 115.1 

 133.3 

 141.2 

 123.3 

 117.8 

 123.7 

 125.0 

 118.5 

 123.0 

 126.6 

 101.0 

 104.8 

 119.2 

 113.3 

 120.2 

 111.9 

 107.4 



Per ct. 

 0.35 

 .28 

 .33 

 . 57 

 .44 

 .61 

 .67 

 .53 

 .56 

 .45 

 .69 

 .66 

 .61 

 .57 

 .53 

 .52 

 .54 



Perct. 

 38.8 

 46.4 

 38.5 



Per ct. 

 60.7 

 52.9 

 61.1 



Per ct. 

 59.7 

 51.2 



59.6 



Per ct. 

 1.54 

 3.24 

 2.46 



Per ct.\ Per ct. 

 1.11 4.91 

 2. 23 4. 32 

 2 23 a «» 



1589.. 



1599 



1608 





5.60 



A =;« 



B607 



30.5 

 41.0 

 43.4 

 40.6 

 44.4 

 44.7 

 35.6 

 36.6 

 37.8 

 38.6 

 40.8 

 42.6 

 42.8 



69.6 

 58.5 

 56.3 

 58.9 

 55.4 

 54.0 

 64.4 

 64. 1 

 62.1 

 61.4 

 58.6 

 57.2 

 57.2 



68.0 

 57.2 

 55.2 

 58.0 

 54.7 

 53.0 

 62.9 

 62.7 

 61.0 

 60.4 

 57.8 

 56.4 

 56.4 



2.24 

 2.33 

 1.81 

 1.65 

 1.33 

 1.98 

 2.39 

 2.17 

 1.69 

 1.65 

 1.39 

 1.31 

 1.46 



2.99 



B621 



2 17 A QA 



B659... 



1.93 

 1.95 

 1.98 

 1.69 

 2.23 

 2.34 

 2.65 

 2.52 

 2.47 

 1.87 



4.98 

 5.01 

 5.04 

 4.90 

 4.70 

 5.09 

 5.12 

 5.15 

 5.22 



B711 



B772 



B830 



1093 



1107 



1133 .. 



1144 



1172 



1186... 



April 



May 



.9238 

 .9308 



1201 



1. 59 i 86 



Average . 



.9322 

 ±.003 



119.1 



.52 

 ±.02 



40.2 



±.7 



59.5 



58.4 



1.92 

 ±.09 



2.12 



±.07 



5 02 





May 



June 



July 



August 



September.. 



October 



January 



February 



March 



April 



May 



January 



February 



March 



April 



May 



±.05 



ETJREKA STRAIN- 

 CTREE 34-75-12). 



1538. 



.9234 



.9342 



.9382 



.9825 



.9639 



.9707 



.9352 



.9148 



.9305 



. 9264 1 



.9454 



.9631 



.9517 



.9500 



.9277 



.9360 



121.1 

 112.3 

 89.2 

 107.5 

 116.1 

 116.2 

 108.0 

 122.3 

 119.0 

 129.7 

 112.5 

 109.1 

 105.6 

 122.9 

 114.3 

 120.0 



.36 

 .36 

 .39 

 .39 

 .46 

 .46 

 .60 

 .49 

 .45 

 .48 

 .53 

 .63 

 .60 

 .54 

 .50 

 .52 



36.5 

 37.3 

 32.5 

 31.0 

 33.5 

 29.5 

 24.0 

 37.4 

 34.4 

 35.2 

 32.8 

 30.9 

 34.2 

 34.7 

 41.1 

 41.9 



61.9 

 61.6 

 67.6 

 68.3 

 65.8 

 70.4 

 75.4 

 62.5 

 65.0 

 64.1 

 66.6 

 69.2 

 65.2 

 65.9 

 58.9 

 57.7 



60.8 

 60.5 

 66.5 

 66.6 

 64.5 

 68.8 

 74.6 

 61.3 

 63.5 

 63.2 

 65.2 

 68.0 

 64. 1 

 64.8 

 58.0 

 56.1 



1.78 

 1.65 

 1.54 

 2.44 

 2.07 

 2.28 

 1.15 

 1.90 

 2.21 

 1.35 

 1.89 

 1.87 

 1.69 

 1.60 

 1.58 

 1.93 



2.24 

 2.16 

 1.83 

 3.20 

 3.25 

 2.92 

 3.25 

 • 2.98 

 2.49 

 2.28 

 2.21 

 2.77 

 2.76 

 2.65 

 2.43 

 2.20 



5.61 

 5 21 



1565... 



1595 



5.02 

 4.67 

 4 75 





1606 . 



B605 



4.26 

 4.85 

 5 25 



B720 



B784 



B836 



B887 .. 



5.15 

 5 41 



B934 



1134 



5.79 

 5.12 

 5 22 



1154 





5 22 



1190 



5.06 

 4.99 









.9434 

 ±.003 



114.1 



.46 

 ±.01 



34.2 



65.4 



64.1 



1.81 

 ±.06 



2.60 



±.08 



5 10 





±.05 



ETJREKA STRAIN- 

 CTREE 34-4-8) . 



1532 



1564 ... 



May 



June 



July ... 



August 



September .. 



October 



November.. 

 December... 



January 



February 



March 



May 



June 



September.. 



October 



November.. 



January 



February. .. 



March 



May 



November.. 



March 



November.. 

 1 ►ecember... 



January 



March 



April 



May 



.9268 

 .9262 

 .9444 

 .9667 

 .9631 

 .9624 

 .9500 

 .9480 

 .9054 

 .9178 

 .9149 

 .9494 

 . 9690 

 .9774 

 .9705 

 .9564 

 .9563 

 .9475 

 .9074 

 .9522 



110.9 

 121.4 

 115.0 

 123.9 

 121.4 

 117.8 

 126.3 

 114.3 

 121.7 

 126.1 

 128.5 

 121.0 

 118.8 

 114.8 

 106.1 

 107.4 

 112.7 

 103. 

 122.0 

 110.5 



.41 

 .28 

 .37 

 .35 

 .57 

 .44 

 .74 

 • .67 

 .58 

 .48 

 .46 

 .65 

 .51 

 .42 

 .69 

 .72 

 .60 

 .61 

 .41 







35.8 

 40.6 

 39.3 

 34.3 



63.2 

 58.6 

 60.2 

 65.0 



62.0 

 57.6 

 59.0 

 63.4 



1.75 

 1.69 

 2.05 

 2.56 



2.33 

 1.91 

 1.95 

 2.55 



5.46 

 5 14 



1590 



5 10 



1600 



4.65 

 5 44 



1607 



B607. 



30.5 

 34.9 

 35.0 

 41. 1 

 30.8 

 41.1 

 34.6 

 34.8 

 30.6 

 30.3 

 31.5 

 31.9 

 33.3 

 35.1 

 38. 4 



69.6 

 64.8 

 64.8 

 58.5 

 69.1 

 57.7 

 65.4 

 65.6 

 68.8 

 68.7 

 67.8 

 68.2 

 66.6 

 64.6 

 61. 3 



68.0 

 61.6 

 63.6 

 57.6 

 67.6 

 56.4 

 64.2 

 64.0 

 67.3 

 67.2 

 66.2 

 66. 7 

 65.3 

 63.8 

 60. 4 



2.24 



2.99 



4 58 



B622 . 



4 98 



B668 



1.86 

 1.47 

 2.19 

 2.26 

 1.77 

 2.50 

 2.15 

 2.12 

 2.35 

 2.18 

 1.98 

 1.34 

 1 47 



2.74 

 2.48 

 2.25 

 1.98 

 1.86 

 2.30 

 2.94 

 1.78 

 2.45 

 2.68 

 2.59 

 1.97 

 1.88 



5.76 

 5 07 



B712 



B777 



5 44 



B829 



5.22 

 5 68 



B931 



B987 



4 83 



B1066 



G 09 



1092 



5 02 



1105 



5 31 



1132 



6 15 



1150 



6 12 



1171 



1200 



5.09 









Average 



. 9456 

 ±.003 



117.2 



.53 | 35.0 

 ±. 02 j ±.6 



64.6 



63.3 



2.00 

 ±.06 



2.31 

 ±.06 



5.17 

 ±.04 



SHADE TREE STRAIN 

 (TREE 34-54-11). 



619.. 



0.9178 

 .9140 

 .9592 

 . 9502 

 . 9396 

 .9235 

 . 9405 

 . 9447 



143.0 

 153.4 

 117.5 

 115.3 

 115.2 

 133.1 

 116.9 

 113.6 



0.52 

 .55 

 ..54 

 .60 

 . 63 

 .47 

 .48 

 .52 



39.7 

 43.8 

 36.0 

 34.4 

 38.4 

 39.8 

 38.1 

 35.6 



59.9 

 55.8 

 63.7 

 65. 7 

 61.3 

 59.8 

 60.8 

 64.5 



58.5 

 55.0 

 62.0 

 64.4 

 60.1 

 59.0 

 59.9 

 63.6 



2.27 

 1. 46 

 2.57 

 2.12 

 1.89 

 1.44 

 1.56 

 1.34 



2. 35 

 2.46 

 2.63 

 2.72 

 •>. 87 

 2.60 

 2.27 

 2.24 



4.67 



774 



4.67 



J 110 . 



4.96 



1127... 



4.64 



1151 



4.85 



1169 



]]89 



4.80 

 4.96 



1198... 



4.42 







Average 



.9362 

 ±.004 



126.0 



.53 

 ±.01 



38.2 

 ±.7 



61.4 



60.3 



1.83 

 ±.12 



2.52 

 ±.06 



4.75 







±.05 



