10 BULLETIN 1104, U. S. DEPARTMENT OF AGRICULTURE. 
accidental lowering of temperature, the apples in the room scheduled 
for 32° F. were badly frozen, so that no internal browning records 
could be obtained from this fruit. Althougk only a small amount of 
browning showed in either of the lots held at the higher tempera- 
tures, the summary, as given in Table 2, shows much more browning 
in the fruit held at 36° than in that stored at 40° F. 
TABLE 2.—Hatent of the internal browning of Yellow Newtown apples stored 
at Berkeley, Calif., at different temperatures in the season of 1919-20. 
Comparison of results (per cent). 
Number ? : f 
Temperature. of apples Tissue browning. Core browning. 
cut. 
SOUND Gs eae eee 
Trace. |Medium.| Bad. Trace. |Medium.| Bad. 
tr EE ee BP tn Pe 
Held at 40° F........ 756 87.3 1.6 0.13 0.13 5.4 3.4 af 
Held atis6° 4 c=. 0 - 812 | 64.7 11.2 1.2 1 13. 4 8.9 7.0 
| 
TABLE 3.—Extent of the internal browning of Yellow Newtown apples stored at 
different temperatures in the season of 1920-21. 
Comparison of results (per cent). 
Number tsF : ' 
Tree and temperature.| of apples Tissue browning. Core browning. 
cut. 
Sound. 
Trace. |Medium.| Bad. Trace. | Medium. Bad. 
Tree 1 (sprayed): E 
AG ole Heese. 55 0 127 40.0 45.5 10.9 36.3 50. 9 
AT ASS Races at ee 62 46.8 0 0 0 40.3 8.1 4.8 
Tree 10: 
AGSLS WS. bene 34 0 14.7 20.6 61.7 14.7 17.6 67.6 
AG SS? Bae. 2.2 2A 43 23.3 0 0 0 39.5 23.3 14.0 
Tree 69: 
Ato lesb 52 eet 47 21 44,7 13.4 17.0 29.8 44.7 21.3 
At 38? Mei 22-2 2 51 43.2 9.8 0 0 45.1 3.9 7.8 
Tree 134: 
AGOle Me... -h.<- 178 30.9 21.9 10.7 8.4 45.5 14.0 tea 
AY S82 bt 82 85.5 0 0 0) 7.3 4.9 2.4 
Tree 142: 
A Gale ess oot 90 0 8.9 18.9 71.1 10.0 27.8 62.2 
AGSS2. bes. =. oe. 66 40.9 44.0 0 0 45.5 4.5 0 
Tree 143 : 
J eS) bead Oy et he ae 56 3.6 21.4 8.9 53.6 17.9 23-2 53.6 
At Oo Meee eae eee 63 S38 he3 22.2 4.8 0 50. 8 Hit st 1.6 
Tree 260: 
Napole (Baas e se 86 0 1258 27.9 55. 8 7.0 17-5 76.8 
AG SRo Bo eye 2 63 1.6 46.1 1S SEP 15.9 34.9 47.6 
Tree 262: 
Aol: F kee ets 67 0 4.5 22.4 73.2 125 9.0 23.9 
Rises dice. ase ee rir 18.2 13.0 OF 0 44,2 Tey 13.0 
Tree 280: 
Sl oon =. cass 123 17.9 35.8 8.9 0.8 52.8 20.3 (he: 
AOS, tee ee s S4s% 95 91.7 ib a 0 0 4.2 oe 11 
Tree J 247: 
Atigbe Wc state 48 62.5 14.6 0 0 37.5 0 0 
Abisord ioe emcs es 68 95.6 0 0 0 2.9 1.5 0 
Tree J 248: 
oN 2S 5 (ON a 64 28.1 aie 1.6 0 62.5 9.4 0 
ASS S85 5500S 78 93.7 0 0 0 5.1 0 1.3 
Tree 33: 
WPS Fi a? ii. 52 1.9 30. 8 30. 8 Zi? AR 34.6 38.5 
AG OO eR cs onc ee ce 68 36.8 2.9 0 0 32. 4 13. 2 WF 
ary: 
AG ole Bee aS: 21.9 30. 2 29.7 20.0 30.1 
I Nea? Sil ee ee 11.0 0. 25 25. 6 9.2 8.6 
