The results showed that 13S5 and 13S8 tended to grow faster but sporulate less during subculturing. Sporulation was not significantly different in the first 6 generations, but after subculturing over 6 to 7 generations the sporulation declined significantly, by 81.7% and 69.0% respectively, as compared to that of the first generation.

結(jié)果表明真人av在线免费看，野生型出發(fā)菌株Bb13的單孢分離株13S5和13S8在繼代培養(yǎng)過程中均發(fā)生生長(zhǎng)速率加快和產(chǎn)孢量下降現(xiàn)象另类日韩高清精品视频在线观看网站。13S5在前5代一级特a片，13S8在前6代產(chǎn)孢量有所下降但不顯著免费深黄色无人在线观看，至第10代時(shí)產(chǎn)孢量比第1代分別下降了81.7%和69.0%。

The toxin forms when the organisms sporulate in the gut, with the onset of diarrhea--usually without vomiting or fever--in 6-18 hours.

The illness lasts only 1-2 days在腸道中細(xì)菌形成芽胞時(shí)產(chǎn)生毒素久久久综综合色一本伊人，在6-8小時(shí)內(nèi)引起無發(fā)熱在线国产毛片、無惡心嘔吐的腹瀉。1-2天后自愈影音先锋每日AV资源站。

The peak of lesion sporulation appeared on the 27th day. The most suitable temperature for sporulating was 24℃. If relative humidity was lower than 88%, the lesion could not sporulate. Between 90% and 100%, the higher the RH was, the higher sporulation was. If continuous humidity time was lower than 5 h, the lesion could not sporulate. Between 7 h and 24 h, the longer it was, the higher sporulation was.

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The studies on biological characteristic revealed that this fungus could grow and sporulate under dark or continuous illumination, the optimal illumination condition for growth of mycelium was alternant illumination and darkness facilitated spotulation.

病原菌生物學(xué)特性研究結(jié)果表明，在有無光照或連續(xù)光照的條件下病菌均可生長(zhǎng)和產(chǎn)孢国产-iGAO视频网，光暗交替最有利于菌絲的生長(zhǎng)色网站免费视频在线观看视频，黑暗條件下促進(jìn)病菌產(chǎn)孢。