Jan. 15, 1925 
Borax as a Disinfectant for Citrus Fruit 
191 
Table I .—Showing 'percentage of decay in Valencia oranges, wounded on surface 
or punctured, immersed or floated in a 2. 5 per cent solution of borax, inoculated 
on the wounds with blue-mold spores, and held in a warm room at high humidity 
Treatment 
Tem¬ 
pera¬ 
ture 
bath 
Time 
Num¬ 
ber of 
fruit 
0 F. 
Minutes 
73 
Control wounded and inocu- 
| 
100 
lated but not treated with 
[ _ 
513 
borax . . 
1 
686 
100 
73 
4 
100 
73 
8 
13 
120 
3 
224 
Wounded on surface, im- 
120 
i on 
3 
Q 
459 
OOA 
mersed in borax solution 
IZU 
i on 
o 
and inoculated_ __ 
120 
*± 
4 
i 0 
15 
120 
4 
395 
120 
4 
972 
120 
4 
485 
Wounded on surface, floated 
73 
4 
100 
in borax solution and inoc- 
120 
8 
423 
ulated__ 
120 
8 
488 
Wounded on surface, im- 
mersed in borax solution, ' 
73 
4 
50 
inoculated, and rinsed with 
73 
6 
50 
water_ 
Wounded on surface, im- i 
mersed in borax solution, ! 
120 
6 
587 
inoculated and sprayed i 
120 
6 
701 
with water_ __ 
Control punctured and inoc- 
ulated; not treated with 
borax _ __ 
250 
Wounded by puncturing, 
f 70 
1 190 
8 
4 
50 
100 
inoculated and immersed 
i i on 
a 
i nn 
in borax solution. 
1ZU 
l 120 
O 
8 
xUU 
150 
Percentage of decay after— 
One week 
Two weeks 
| 
Five weeks 
Seven weeks 
Blue 
Green 
Blue 
Green 
Blue 
Green 
Blue 
Green 
mold 
mold 
mold 
mold mold 
i ... 
mold 
mold 
mold 
98.6 
0 
! 
100.0 
i 
90.0 
! 
92.4 
0 
1_ 
100.0 
13.0 
17.0 
14.0 
65.0 
1 14.0 
84.0 
0 
0 
0 
15.3 
| 
4. 4 
2. 6 
9.3 
32.4 
4.5 
0 
2. 6 
2. 6 
0 
6.6 
2. 2 
1. 2 
i 
12.7 
36. 0 
* ' 
2.3 
0 
41.0 
16.0 
42.6 
48.0 
42.0 
54.0 
0 
o 
4.9 
25. 8 
_ 
26. 0 
16.0 
1 
26.0 
38.0 
26.0 
60.0 
60.0 
8.0 
64.0 
24.0 
64.0 
36.0 ! 
— 
— 
6.1 
6. 8 
7.8 
45.1 
30.1 
83. 6 
0 
84.8 
0 
86.0 
0 
0 
0 
2.0 
0 
2.0 
4.0 
2.0 
4.0 
2.0 
0 
6.0 
4.0 
6.0 
46.0 
7.0 
53.0 
0 
! 0 
2.0 
3.0 
2.0 
34.0 
3.0 
40.0 
3.3 
1 0.6 
4.6 
2.6 
5.3 
30.0 
5.3 
37.9 
Table II .—Showing percentage of decay in Valencia oranges, wounded on surface 
or punctured: immersed or floated in a 2.5 per cent solution of borax, inoculated 
with green mold spores, and held in a warm room at high humidity 
i 
Treatment 
Temp¬ 
erature 
bath 
i 
Time ! 
j 
Num- j 
ber of | 
fruit 
i 
] 
! 
One week 
! 
Percentage of 
Two weeks 
decay after— 
Five weeks 
Seven weeks 
Blue 
mold 
Green 
mold 
Blue 
mold 
[ 
Green 
mold 
Blue 
mold 
Green 
mold 
Blue 
mold 
Green 
mold 
Control wounded on surface 
j 
and inoculated, not treated 
C F. 
Minutes 
with borax 
100 
80.0 
20.0 
( 67 
4 
100 
0 
27.0 
0 
97.0 
0 
99.0 
Wounded on surface and im- j 
j 67 
8 
! ioo 
0 
15.0 
0 
92.0 
0 
95.0 
mersed in borax solution...! 
1 120 
4 
! ioo 
0 
24.0 
0 
92.0 
0 
98.0 
l 120 
8 
100 
0 
2.0 
0 
50.0 
0 
73.0 
0 
80.0 
Control wounded by punc¬ 
turing, inoculated, not 
trpotpH witVi hnrfiY 
37 
0 
100.0 
W T ounded by puncturing, 
[ 73 
4 
j 100 
11.0 
2.0 
i 15.0 
2.0 
18.0 
24.0 
19.0 
28.0 
inoculated and immersed 
\ 73 
6 
100 
16.0 
0 
18.0 
7.0 
21.0 
45. 0 
22. 0 
50. 0 
in hnrflY QnlirHnn 
l 70 
8 
46 
0 
8.7 
! 0 
48.0 
0 
84.8 
111 UU1 UA UVlUllV/U........*.. 
Same except treated by float¬ 
/ 73 
4 
50 
8.0 
0 
8.0 
4.0 
10.0 
42.0 
10.0 
44.0 
ing in borax solution_ 
\ 73 
6 
50 
14.0 
0 
' 18.0 
4.0 
18.0 
26.0 
18. 0 
32. 0 
