19141 
DUGGAR AND COOLEY—FILMS AND TRANSPIRATION 18 
TABLE II 
EFFECT OF BORDEAUX MIXTURE ON TRANSPIRATION OF STANDARDIZED CASTOR 
BEAN LEAVES; DATA FOR DAY AND NIGHT PERIODS 
No. of leaf. 1 2 3 4 5 6 Ratio 
Transp. 4:04-5:25 P. M., Ist} А- B А- А- В 
day before spr. 7.5 7.6 10.9 11.7 7.6 9.4 
Transp. 8:21-11:17 А. М.) А- В А- В А- В 
2nd day before spr. 20.2 30.7 32.4 40.9 23.3 17.9 
S veh B I= B P E B А-,101.9 
Тоба! transp. before spr. 27.7 | 38.3 | 43.3 | 526 | 29.9 | 27.3 | B 118.2 
Transp. 12:30-24:50 P. М.| А+ B’ A+ B' A+ в | A+_140.6 
1st day after spr. 36.7 42.6 62.9 50,2 41.0 80.2 B’ 123 
Relation, sprayed to un- 101.9... 140.6, 
sprayed, Ist day Rates changed from 125 5 (=.86) to 7193 (21.14) 
Transp. 8:56 A. M., to 4:44| А+ B' A+ В’ A+ В’ A+_ 66.6 
P. M., 2nd day aft. spr. 20.7 —— 28.9 18.2 17.0 12.1 В’ 30.3 
Relation, sprayed to un- 101.9 22 66.6 
sprayed, 2nd day Rates changed from 79.9 (71.28) to 30.3 (22.2) 
Transp. 10:27 A. M., to 3:40] A+ В’ A+ В’ A+ В’ А+ 27.4 
P. M., 3rd day aft. spr. 8.4 — T2 4.4 7.8 3.5 Ве Jo 
Relation, sprayed to un- 101.9 27:4. 3 
sprayed, 3rd day Rates changed from 7,75 (21.28) to 7-5 (73.40) 
Ттапвр. 9:58 A. M., to 4:42 А-- B' А-- B’ A+ В’ А- 37.4 
P.M., 4th day aft. spr. — — 22.1 14.1 15.3 7.9 оо 
2.0 
* Relation, sprayed to un- 74.2 37.4 
sprayed, 4th дау | Rates changed from 79.9 (2.93) to 22.0 (21.7) 
: —— -- A+ B' A+ В’ A+ 206.2 
Total transp. after spraying 125.1 86.9 811 58.7 1 ре 
Relation, sprayed to un- 74.2 ze 206.2 = 
нанел, totale Rates of totals changed from 79.9 (27.93) to 140.6 (21.47) 
Transp. 5:30 P. M., to 8:21} A— B A— B А- В А- 92.3 
A. M., 1st night bef. spr. 6.9 6.3 9.0 | 11.2 64 | — | В "ИБ 
Transp. 4:50 P.M., to 8:40] A+ В’ А+ В’ А+ В’ A+ 15.8 
А. M., 18% night aft. spr. 6.9 7.8 2T 7.5 6.2 8.5 F p3 
Relation, sprayed to un- 22.8. 15.8 
sprayed (night) Rate changed from 17.8 (21.27) to 15.8 (21.03) 
Transp. 3:45 P. M., to 9:30] A+ В’ А+ В’ A+ В’ A+ 40.9 
А. M., 2nd night aft. spr. 20.0 ---- 5.1 4.9 5.8 4.2 F 49 
Relation, sprayed to un- 22:9 ,— 40.9 ,_ 
sprayed (night) Rate changed from 112 (22.0) to Te (28.34) 
* For this “тап” the plants were transferred to а room in the building. 
