ON THE Economic Coefficient of Sugar 



473 



Table I. 



In all of the cultures a standard of 5% sugar was used. The series are indicated in 

 Roman numerals. 



I. Siengmafocystis nigra, ZnSO^ added. Grown at room temp, about 20°C. Har- 

 vested one week after sowing. 



^ % ZnSO,. 

 Fraction normal ZnSO^. 



I. 



Weight crop mg. 

 Sugar used mg. 

 Sugar residue mg. 

 Econ. 1 Fungus : sugar. 

 Coeff. / Sugar ; fungus. 



II as in I. 



Temp, about 20°C. 

 Weight crop mg. 

 Sugar residue mg. 

 Sugar used mg. 

 Econ. \ P\mgus : sugar. 

 Coeff. J Sugar : fungus. 



7 days 



III as in I. 



Temp, about 20° C. 

 Weight crop mg. 

 Sugar residue mg. 

 Sugar used mg. 

 Econ. \ Fungus : sugar. 

 Coeff. /Sugar: fungus. 



6 days. 



IV' as in I. 

 Temp, circa 24°C. 

 Weight crop mg. 



Sugar residue mg. 

 Sugar used mg. 



Econ. \ Fungus : sugar. 

 Coeff. y Sugar ; fungus 



8 day^. 



V as in I. 

 Temp, circa 24°C. 

 Weight crop mg. 

 Sugar residue mg. 

 Sugar used mg. 

 Econ. \ Fungus : sugar. 

 Coeff. J Sugar : fungus. 



5 f^ays 



VI as in I. 

 Temp, circa 20°C. 

 Weight crop mg. 

 Sugar residue mg. 

 Sugar used mg. 



Econ. \ Fungus : sugar. 

 Coeff. / Sugar : fungus. 



7 days 



Control 



535 



930 

 1570 



1.74 

 0-57 



640 



1845 



955 

 1.49 



0.67 



330 



1825 



675 

 2.00 



0.49 



510 

 1306 

 1 194 



1-95 

 0.51 



305 

 1912 



5SS 



1.83 



055 



308 

 1980 

 620 

 2.01 

 0.50 



.002% 

 .000125 



846 

 1220 



1280 

 1.44 

 0.69 



912 



1315 

 1185 



1.29 



0.77 



535 

 1605 



895 

 1.67 



059 



830 

 1164 



1-73 

 0.59 



523 



1637 

 863 



1.65 



0.60 



527 

 1620 

 880 

 1.67 

 0.61 



.004% 

 .00025 



1020 

 1400 



HOC 



1-37 

 0.73 



1104 

 1300 

 1200 



1.09 



0.92 



817 



1320 



iiSo 

 1.44 

 0.69 



943 

 1029 



1471 

 1.56 



0.64 



610 



1536 

 964 



1,58 



0.64 



622 

 1480 

 1020 

 1.64 



0.60 



.008% 

 .0005 



945 



13^5 

 1185 



1.39 

 0.72 



842 



1130 



1-34 

 0.75 



Soo 

 12S4 

 1216 



I 5^ 



0.66 



912 

 1032 

 1468 

 1. 61 

 0.62 



600 



1540 

 960 



1.60 

 o 62 



580 



1525 



975 

 1.68 



0.62 



. 



.032% 

 .002 



T 



^ > 



■ 800 



1305 

 1195 



15^ 

 0.67 



4c O 



615 



1461 



1039 

 1.69 



0.59 



520 

 1 164 



925 

 1.74 



0.59 



489 



1705 



895 

 183 



0-55 



