(Vou. 8 
308 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
TABLE VII 
FUSARIUM SP. AVERAGE PERCENTAGES OF SPORE GERMINATION IN CERTAIN 
LIQUID CULTURE MEDIA AT DIFFERENT TEMPERATURES AND AT VARIOUS 
HY DROGEN-ION CONCENTRATIONS 
Hydrogen-ion concentration, Pu | Media 
Temp. Hrs. 
1.6| 2.0) 2.5| 3.0) 3.6| 5.0| 6.2| 6.9| 7.7, 8.8| 9.6 | 10.04- 
6 |0.0| 0.0| 0.0} 0.0| 24.3| 58.8) 65.4| 69.3| 1 12.2} 17.0 2.0 
23° C.| 20 |0.0| 0.0| 2.5/34.0| 58.8] 64.2) 62.0} 71.3) 31.9, 34.1) 49.0 39.0 E. 
| 
6 |0.0| 0.0) 0.0) 1.2} 29.2} 33.5) 47.2) 51.3) 8.3) 0.0) 1.0 0.0 3 
27? C.| 20 |0.0| 0.0| 4.443.2| 59.8] 58.8| 64.8] 81.0| 31.2) 26.3) 40.9 | 22.7 
6 |0.0| 0.0} 0.0| 0.0| 13.0| 27.2| 30.9| 28. 0.0) 0.0, 0.0 0.0 
32? C.| 20 10.0| 0.0| 7.5121.6| 41.4) 48.7, 68.8| 70.0| 11.3| 8.6) 5.2 4.9 
2.1| 2.6 3.1| 3.7| 5.0| 5 8.4 |9.4 
6 10.0| 0.0| 0.0) 0.0| 79.5, 69.0) 67.5 0| 83.0| 54.0, 72.0 |91.0 173.0 
22? C.| 20 |0.0| 0.0} 0.0/83.2/100.0| 89.7, 83.4| 81.5, 86.2| 66.3 97.8 |82.4 iu 
A 
6 10.0! 0.0| 0.0| 0.0| 58.0| 86.0| 83.5| 83.5| 86.5| 78.5| 93.0 | 92.0 |86.0| S 
27? C.| 20 |0.0| 0.0| 0.0/82.6, 91.9| 91.9| 84.3 4| 93.7 97.2100.0 |100.0 |84.3| V 
6 |0.0| 0.0} 0.0} 0.0| 81.5| 72.0} 65.5| 67.0| 83.0, 61.0, 82.0 | 89.5 (76.5 
31? C.| 20 |0.0} 0 0.0/68.8/100.0 9| 80.8} 80.0| 97.8) 79.5! 86.7 |100.0 184.3 
1| 2.5| 3.0) 4.0| 5.3| 6.4| 7.0| 7 10.04- 
6 10.0 0.0} 0.0| 60.2| 90.5| 77.5| 75.8| 92.8| 77.4| 76 71.9 
23? C.| 20 10.021.2/55.0/65.5/100.0/100.0/100.0/100.0/100.0| 87.5| 90.0 0 o 
a 
e 
6 |0.0| 0.0 66.3| 82.7, 87.2| 61.7| 83.7, 89.3) 89.5 | 65.2 EF 
27° C.| 20 10.0116.046.0/71.9/100.0/100.0/100.0/100.0/100.0/100.0,100.0 100.0 = 
6 (0.0| 0.0} 0.0} 0.0) 44.0} 69.0] 50.7| 67.7 6| 62.61 64.0 | 63.8 
31? C.! 20 10.0! 8.9110.0/55.9/100.0/100.0/100.0/100.0/100.0/100.0,100.0 . (100.0 
5 0 3.0} 3.6| 4.1| 5.1| 6.5 8.4 9.0 | 9.8 
6 |0.0} 0.0| 0.0} 0. 5.0} 15.0} 34.2] 39.6} 63.8, 54.6) 49.9 43.3 |48.7| §& 
23° C.| 20 |0.0| 0.011.0/37.1| 76.7) 85.0/100.0/100.0/100.0/100.0, 92.5 92.5 192.5 E 
Q 
6 |0.0| 0.0| 0.0; 0.0| 16.0, 28.5| 52.1| 50.0| 62.6| 86.7, 68.0 55.0 66.0) $ 
27? C.| 20 |0.0) 0.0| 0.0) 8.8) 78.6, 90.0/100.0,100.0/100.0/100.0, 95 5 95.0 E 
0.0! 0.0] 0.0) 0.0) 0.0, 10.0) 25.0} 24.0) 27.0) 48.7, 31.3 32.9 |27.5 
31? C.| 20 |0.0| 0.0] 0.0; 0.0) 5.0) 52.3) 77.2) 78.8} 95.0/100.0) 86.3 81.0 |76.0 
