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. 2017 May 2;7:1301. doi: 10.1038/s41598-017-01368-1

Figure 4.

Figure 4

UV tolerance and cold stress test. (a) Bar graph quantifying conidial germination exposed AC and MFC of Hirsutella satumaensis to UV radiation for different duration range 0 s to 120 s. UV irradiation slowed the growth of both types of spores, but AC was less affected. Conidial germination was significantly different between AC and MFC (p < 0.05) following UV irradiation for 20 s (37.46 ± 1.372% vs. 32.26 ± 3.862%, respectively), 40 s (28.71 ± 3.831% vs. 23.13 ± 3.592%) or 60 s (17.97 ± 2.881% vs. 13.17 ± 2.380%). (b) Testing the spore viabilities of AC and MFC under cold stress (0 °C, 4 °C and 10 °C). Germination rate of MFC decrease significantly, especially at 0 °C. Statistical analysis was performed using a one-way ANOVA. Error bars are standard deviations of three trials and panels are representative of at least 2 independent experiments, *p < 0.05.