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All Journal Jurnal Fitopatologi Indonesia
Abdul Muin Adnan
Institut Pertanian Bogor, Bogor
Medicine & Pharmacology

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Insect Vector and Seedborne Transmission of Papaya ringspot virus Hidayat, Sri Hendrastuti; Harmiyati, Tutik; Adnan, Abdul Muin
Jurnal Fitopatologi Indonesia Vol. 18 No. 3 (2022): Mei 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.3.101-106

Abstract

Insect Vector and Seedborne Transmission of Papaya ringspot virus Ringspot disease of papaya caused by Papaya ringspot virus (PRSV) is widely spread in Indonesia. Dissemination of this disease is known to occur through infected seedlings and aphid vectors. This study was conducted to determine transmission efficiency of PRSV through two aphid species, i.e. Aphis gossypii and Myzus persicae and to confirm that PRSV cannot be transmitted through seeds. Aphid transmission of PRSV isolate from Medan was carried out in papaya var. California with an acquisition feeding period and an inoculation feeding period of 10 minutes each. A minimum of 5 A. gossypii and 10 M. persicae were required for successful PRSV transmission. Transmission of PRSV by A. gossypii resulted higher disease incidence and more severe disease symptoms than transmission by M. persicae. Disease symptoms was not observed in all papaya seedlings grown from seeds extracted from fruits showing ringspot symptoms. Detection of PRSV by reverse transcription polymerase chain reaction method showed no amplification of specific DNA fragment of PRSV. The results of this study confirmed the potential of aphids as PRSV vectors and proved that PRSV was not seed borne.
Spesies Meloidogyne Penyebab Puru Akar pada Seledri di Pacet, Cianjur, Jawa Barat Kurniawati, Fitrianingrum; Supramana, Supramana; Adnan, Abdul Muin
Jurnal Fitopatologi Indonesia Vol. 13 No. 1 (2017)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (807.556 KB) | DOI: 10.14692/jfi.13.1.26

Abstract

Root knot nematodes (RKN) Meloidogyne spp. is the primary parasite of celery and reported to cause losses up to 70%. Identification of the Meloidogyne species on celery in Indonesia has not been reported. This study was aimed to identify the species of Meloidogyne on celery based on morphology characters. Samples of Meloidogyne-infected celery plants were taken using purposive sampling method from Ciputri Village, District of Pacet, Cianjur, West Java Province. RKN inside root tissue was detected by acid fuchsin staining method. Meloidogyne species identification was done by morphological observation of female perineal pattern. Disease symptoms found in the field include leaf yellowing, stunted, and uneven growth of celery plants. Roots of infected plants showed the formation of small size root knots, in large numbers and forming strands like a chain. Staining NPA in root tissue was successfully detected various stages of nematode development, i.e. eggs, juveniles and female nematodes. Three Meloidogyne species, namely M. incognita, M. arenaria and M. javanica were identified.
Co-Authors Fitrianingrum Kurniawati, Fitrianingrum SRI HENDRASTUTI HIDAYAT Supramana Tutik Harmiyati, Tutik