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Table 2. The effects of endophytic bacterial strains on spore germination and germtube
elongation of Botrytis cinerea spores
Treatments
Spore germination rate (%)
B12 B13
Germtube length (µm)
B12 B13
Cultures broth (5x10 7
CFU / ml)
34.0 (± 3.2) d 56.5 (± 3.5) d 39.2 (± 3.4) d 56.7 (± 3.7) d
Cultures broth (5x10 8
CFU / ml)
12.6 (± 2.5) c 21.5 (± 2.6) c 31.5 (± 3.1) c 44.5 (± 3.6) c
Cultures broth (5x10 9
5.5 (± 0.2) b 8.6 (± 0.4) b 25.9 (± 2.7) b 33.4 (± 3.1) b
CFU / ml)
Culture filtrates 9.8 (± 0) c 15.4 (± 2.3) b 28.7 (± 2.9) c 38.3 (± 3.4) b
Sterile distilled water 98.5 (± 0) a 164.5 (± 3.8) a
Each value is the mean of three trials(±standard error). Values in each row followed by the
different letter are significantly different at P = 0.05 according to Duncan’s multiple range test.
Inhibition rate (%)
100
90
80
70
60
50
a
a a a a a
a
b
b b
50 60 70 80 90 100
Temperature ( °C) B12 B13
Fig. 1. The effects of temperature on inhibition rate of culture filtrates. Inhibition rates are the
mean of three trials. Values followed by the different letters are statistically different at P = 0.05
according to Duncan’s multiple range test.
Cucurbit Genetics Cooperative Report 28-29: 1-6 (2005-2006) 5
c
c