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All Journal International Journal Of Science, Technology & Management (IJSTM) International Journal of Science and Environment MetaBio : Jurnal Pendidikan
Rosenta Purba, Ika
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First Report of Powdery Mildew Caused By Podosphaera xanthii on Ageratum conyzoides, in Indonesia Arie Santy Siahaan, Siska; Meeboon, Jamjan; Hidayat, Iman; Kramadibrata, Kartini; Netti Sihaloho, Arvita; Rosenta Purba, Ika
International Journal of Science and Environment (IJSE) Vol. 6 No. 1 (2026): February 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i1.415

Abstract

Powdery mildew is one of the most common and important fungal diseases and maycause huge economic losses to crop yields worldwide. During survey of powderymildews in 2011 and 2013, six samples of Ageratum conyzoides were collected fromdifferent regions in Indonesia, i.e. Bali, South Sumatera and West Java provinces.Anamorphic features revealed that the fungus belongs to the genus Podosphaera. Twosets of sequences of both ITS rRNA and 28S regions were obtained from the sixsamples. Phylogenetic analyses, including maximum parsimony (MP) and maximumlikelihood (ML) were executed using MEGA7. The strength of internal branches ofthe resulting trees were tested with bootstrap analysis. Tree scores, including treelength, CI, RI and RC were also calculated. The phylogenetic analysis confirmed thatthe fungus belongs to the genus Podosphaera, forming a clade with the sequencesfrom Podosphaera xanthii. This is the first report of powdery mildews on Ageratumconyzoides from Indonesia.
Co-Authors Arie Santy Siahaan, Siska Aryanti Pada Soa, Christina Asriyati, Dewi Azhari Subakti, Dinda Damanik, Nellawani Dianti Siboro, Thiur Dieudonne, Bitondo Fatma Khuzaimah, Dewi Frans Grovy Naibaho Frihatini, Emi Hafni, Laila Harahap, Arman Hibatullah, Alnadia Yusriya Iman Hidayat Jamjan Meeboon, Jamjan Jendri Mamangkey Kartini Kramadibrata Lihardo Hulu, Irwan Mustika Piliang, Fenny Netti Sihaloho, Arvita PERAYANTI SINAGA, DIAN RAJAGUKGUK, SALOME Selvia Sitohang, Dini Sinaga, Fiana Sulindayani Suryati Napitupulu, Kristina Tridelpina Purba, Sumarny Wilson Sitopu, Joni Winda Afriza, Afni