Kumar V, Singh G P, Kumar V, Babu A M, Datta R K
Electron Microscopy Unit, Central Sericultural Research and Training Institute, Srirampura, Mysore-570 008, India.
Mycopathologia. 1997;139(3):141-4. doi: 10.1023/A:1006800231647.
The mature conidia of Nomuraea rileyi (Farlow) germinate on the larval integument of Bombyx mori within 24 h and penetrate the cuticle within 36 h after inoculation at 24.0 +/- 1.0 degrees C temperature and 80.0 +/- 5.0% relative humidity. The penetrating hyphae multiply by budding and septa formation in the hemocoel, and the larva succumbs to the infection 6-7 days post-treatment. The hyphal bodies elongate and become interwoven with other hyphae forming a mycelial complex across different tissues. The ramification of hyphae along the epidermal tissue results in larval mummification in 7-8 days. Numerous conidiophores emerge, producing a confluent white fungal mat over the entire surface of the host larva by 9-10 days. Pale green conidia develop, making the larval body green. Life cycle of the fungus on B. mori is completed in 10-11 days.
在温度24.0±1.0摄氏度、相对湿度80.0±5.0%的条件下,莱氏野村菌(Farlow)的成熟分生孢子在24小时内在家蚕幼虫体表萌发,并在接种后36小时内穿透表皮。穿透的菌丝在血腔中通过出芽和隔膜形成进行增殖,幼虫在处理后6 - 7天死于感染。菌丝体伸长并与其他菌丝交织,在不同组织中形成菌丝复合体。沿着表皮组织的菌丝分支导致幼虫在7 - 8天内被木乃伊化。到9 - 10天时,大量分生孢子梗出现,在宿主幼虫的整个表面形成一层汇合的白色真菌层。淡绿色分生孢子发育形成,使幼虫体呈绿色。该真菌在家蚕上的生命周期在10 - 11天内完成。