Control of Citrus huanglongbing using entomopathogenic fungus Isaria javanica

2017 Fiscal Year Final Research Report

• Project/Area Number: 16K14866
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Plant protection science
• Research Institution: Nishinippon Junior College
• Principal Investigator: SHIMIZU SUSUMU 西日本短期大学, 緑地環境学科, 特任教授 (20187454)
• Project Period (FY): 2016-04-01 – 2018-03-31
• Keywords: カンキツグリーニング病 / 媒介虫 / ミカンキジラミ / 寄生菌 / 拮抗微生物 / 防除

Outline of Final Research Achievements

The Asian citrus psyllid, Diaphorina citri Kuwayama, (Hemiptera: Psyllidae) was discovered in Okinawa in 1998. Control of D. citri is important because this phloem-feeding pest vectors Candidatus Liberibacter asiaticus (Ca. L. asiaticus), a phloem-residing α-proteobacterium that causes citrus greening disease or Huanglongbing. This research contributes the first steps towards evaluating entomopathogenic fungi for its potential use in an IPM program to suppress D. citri populations. Fungal pathogens that killed adult D. citri in Thailand, Vietnam, Okinawa and Amami-oshima were identified and characterized. Isaria javanica from Okinawa has a high virulence against D. citri and was effective on control of D. citri in laboratory and field applications.Endophytic characteristics of I. javanica were also studied.

Free Research Field

昆虫病理学