Idrees Atif, Afzal Ayesha, Qadir Ziyad Abdul, Li Jun
Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou, China.
Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Scientific Observing and Experimental Station of Crop Pest in Guiyang, Institute of Entomology, Ministry of Agriculture, Guizhou University, Guiyang, China.
Front Physiol. 2023 Mar 8;14:1107434. doi: 10.3389/fphys.2023.1107434. eCollection 2023.
Maize is an essential crop of China. The recent invasion of , also known as fall armyworm (FAW), poses a danger to the country's ability to maintain a sustainable level of productivity from this core crop. Entomopathogenic fungi (EPF) MA, CTD-28 and CTD-2, sp. BM-8, sp. SE-25 and SE-5, CA-7, and SR-23 were tested to determine their effectiveness in causing mortality in second instars, eggs, and neonate larvae. MA, CTD-28, and sp. BM-8 caused the highest levels of egg mortality, with 86.0, 75.3, and 70.0%, respectively, followed by sp. CTD-2 (60.0%). Additionally, MA caused the highest neonatal mortality of 57.1%, followed by P. CTD-28 (40.7%). In addition, MA, CTD-28, and sp. CTD-2 decreased the feeding efficacy of second instar larvae of FAW by 77.8, 75.0, and 68.1%, respectively, followed by sp. BM-8 (59.7%). It is possible that EPF will play an important role as microbial agents against FAW after further research is conducted on the effectiveness of these EPF in the field.
玉米是中国的重要作物。最近入侵的草地贪夜蛾（也称为秋粘虫）对该国维持这一核心作物可持续生产力水平的能力构成了威胁。对昆虫病原真菌MA、CTD - 28和CTD - 2、种BM - 8、种SE - 25和SE - 5、CA - 7以及SR - 23进行了测试，以确定它们对二龄幼虫、卵和新生幼虫的致死效果。MA、CTD - 28和种BM - 8导致的卵死亡率最高，分别为86.0%、75.3%和70.0%，其次是种CTD - 2（60.0%）。此外，MA导致的新生幼虫死亡率最高，为57.1%，其次是CTD - 28（40.7%）。另外，MA、CTD - 28和种CTD - 2分别使草地贪夜蛾二龄幼虫的取食效率降低了77.8%、75.0%和68.1%，其次是种BM - 8（59.7%）。在对这些昆虫病原真菌在田间的有效性进行进一步研究后，它们有可能作为对抗草地贪夜蛾的微生物制剂发挥重要作用。
