Mar. 8, 1924 
Acidity Changes during the Growth of Wheat 
733 
Tab LE I. —Titratable acidity of wheat at intervals from the seedling to the late-flowering 
stage, in cubic centimeters of N\20 sodium hydroxid required to neutralize io cc. of ex¬ 
pressed juice —Continued 
SERIES c 
Age in weeks. 
2. . 
3 - • 
4 - • 
5- - 
6 . . 
7 * • 
8 .. 
10. 
12. 
J 3 < 
14- 
16. 
18. 
| Kota. 
Preston. 
Pentad. 
Marquis. 
Khapli. 
Little Club. 
j ' 
1 a 9 - i 
a 8. 9 
0 10. 2 
| « 9. 7 
® 8. 2 
1 
I a 7. 6 
“ 7 -o 
« 8. 2 
® 9. 1 
j a 7 - 7 
0 7 - 5 
® 7. 0 
; 6 .3 
6. 7 
7-7 | 
I 6.4 
6.4 
1 6.6 
! a 5 -i 
a 5 - 7 
® 6. 9 
° 5- 0 
° 4. 6 
! a 5 - I 
: 5 - 6 
“ 5-8 
5 * 5 
a 5 - 7 
5-6 
6.8 
5 - 2 
5*6 
5 -° 
4 - S 
| 5 - 6 
5-8 
6.4 
5 * 7 
6. 2 | 
6. 0 
1 a 5 * 1 
a 5. 2 
6. 7 
5-3 
6.8 | 
1 5 - ^ 
i 7 * r 
7 - 3 
6. 7 
6.5 
6. 7 
7.0 
5-9 
0 7 - 4 
6.4 | 
° 6. 1 
6. 7 
a 6. 1 
a 7. 6 
a 6. 1 
a 6. 9 
* 7-3 
9.8 
11. 7 
1 
8.5 
0 9 . 9 
a 8. 6 
10. 9 
9-3 
Table II. — Ph values of the expressed juice of wheat at intervals from the seedling to 
the late-flowering stage 
SERIES A a 
Age in weeks. 
Ktpta. 
Preston. 
Pentad. 
Marquis. 
Khapli. 
Little Club. 
2. 
6. 10 
6. 12 
6. 03 
6. 27 
6.08 
6. 02 
6. 02 
6. 21 
6. 12 
6. 07 
6. 04 
6. 15 
6. 07 
6. 02 
6. 01 
6. 25 
5- 98 
5- 95 
6. 04 
6. o< 
5- 97 
5- 99 
5- 96 
5-9 8 
5- 72 
6. 07 
6. 16 
6. 19 
6. 19 
6. 02 
6. 09 
5- 99 
5- 93 
5.81 
2. 
4. 
6.. 
8. 
10. 
6. 18 
6. 11 
6. 06 
5- 59 
5' 54 
6. 17 
5- 98 
5-94 
5- 63 
5- 59 
6. 17 
6. 09 
6. 05 
5- 84 
5. 68 
5- 57 
6. 19 
6. 15 
5-91 
5- 73 
5- 50 
5- 53 
12. 
16. 
20. 
22. 
. * . 
26... 
5-58 
: 
i 
SERIES B 
6. 11 
6. 07 
6. 12 
6.08 
6.05 
6 - 11 
6. 09 
I 6. 11 
6.03 
6. 09 
6. 10 
6. 11 
6. 10 
5 - 94 
5'99 
6. 01 
5-83 
5 - 9 ° 
6. 01 
6. 06 
5 - 94 
5 - 90 
5-83 
62 
5. 62 
6 . 11 
6. 16 
6. 15 
6. 01 
6. 00 
6. 06 
6. 03 
5-89 
5 - 97 
. 
6. 12 
6. 19 
6. 16 
6. 00 
6. 17 
5 -96 
6.17 
5-93 
6. 17 
5 - 95 
5 - 9 ° 
5 - 95 
5 - 76 
5-78 
5- 62 
5 - 58 
5. 66 
5 - 70 
5 - 69 
5. 66 
5. 66 
5. 62 
a Plants cut at 1 p. m., the others at 9 a. m. 
83798—24-2 
