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INDONESIA
Jurnal Fitopatologi Indonesia
Published by Institut Pertanian Bogor
ISSN : 02157950     EISSN : 23392479     DOI : -
Core Subject : Health,
Medicine & Pharmacology
Jurnal Fitopatologi Indonesia (JFI) is an official publication owned by the Indonesian Phytopathology Society (Perhimpunan Fitopatologi Indonesia). In 2010, JFI management was given to PFI Komda Bogor. Since then, JFI has been published 6 times (January, March, May, July, September, and November).
Arjuna Subject : -
Articles 412 Documents
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Liquid smoke to Control Bulkholderia glumae and Growth Promoter of Rice Seeds Nurfadillah; Giyanto, Giyanto; Mutaqin, Kikin Hamzah; Damayanti, Tri Asmira
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.18.3.134-144

Abstract

Liquid smoke to Control Bulkholderia glumae and Growth Promoter of Rice Seeds Bacterial grain rot disease caused by Bulkholderia glumae is an important disease that can be transmitted through rice seeds. Various bacterial grain rot disease control techniques have been developed to prevent crop loss, one of which is liquid smoke. Liquid smoke has been widely studied as an agent for controlling various plant diseases. The aim of the study was to determine the potential of liquid smoke to control bacterial grain rot disease caused by B. glumae and to promote the growth of rice seedlings. Research was conducted in some stages, included: potential test of liquid smoke against B. glumae, phytotoxicity test of liquid smoke and its effect on rice seed growth; and test the effectiveness of liquid smoke in suppressing B. glumae on infected seeds. The results showed that liquid smoke with a concentration of 2% could suppress the development of B. glumae in vitro and did not cause phytotoxicity in rice seeds with a vigor index of 90% and germination of 90% compared to controls with a vigor index value and germination value of 76% and 83%. Liquid smoke with a concentration of 2% can also reduce the severity of disease in the nursery phase with a relative inhibition level of 43.8%. The value of the length of the plumule of rice seedlings in the 2% liquid smoke treatment was 5.87 cm. The plumule value was greater than the control which was only 5.22 cm. In contrast to the plumula, the value of radicular length did not increase significantly compared to the control.
Application of Fungicides and Silica Fertilization Suppress Pyricularia zingiberi Leaf Spot Disease on Red Ginger Wahyuno, Dono; Hardiyanti, Siti; Manohara, Dyah; Sari, Marlina Puspita
Jurnal Fitopatologi Indonesia Vol. 18 No. 4 (2022): Juli 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.4.167-176

Abstract

Pyricularia zingiberi merupakan penyebab penyakit bercak daun dominan di Indonesia. Pengendalian penyakit bercak daun masih bertumpu pada fungisida kimia. Kombinasi teknik pengendalian serta ketepatan waktu aplikasi fungisida perlu ditentukan untuk meningkatkan efektivitas pengendalian serta mengurangi dampak negatif penggunaan fungisida kimia. Penelitian ini bertujuan menentukan kombinasi pemberian fungisida dan pupuk silika serta waktu yang efektif untuk pengendalian penyakit bercak daun. Penelitian disusun dalam rancangan petak-petak terbagi, dengan aplikasi pupuk silika sebagai petak utama, fungisida sebagai anak petak, dan waktu aplikasi sebagai anak-anak petak. Pupuk silika (20 mL L-1) diaplikasikan pada tanaman jahe merah umur 4 minggu dan kemudian tanaman diinokulasi dengan P. zingiberi pada umur 8 minggu. Fungisida mulai diaplikasikan sesuai dengan perlakuan (umur 12, 14, dan 16 minggu). Tidak terdapat interaksi antara ketiga faktor yang diuji. Aplikasi silika dalam bentuk SiO2 memberikan pengaruh tidak nyata pada keparahan serta laju perkembangan penyakit. Aplikasi silika meningkatkan kadar fenol dalam tanaman jahe merah. Pestisida nabati berbahan minyak cengkeh menginduksi sintesis asam salisilat, namun tidak signifikan dalam menekan laju perkembangan penyakit bercak daun. Mankozeb lebih efektif menekan laju perkembangan penyakit bercak daun dibandingkan dengan perlakuan lain. Waktu aplikasi fungisida disarankan pada saat tanaman berumur 14–16 minggu atau saat gejala bercak daun mulai terlihat. Monitoring berkala perlu dilakukan.
Cover Jurnal Fitopatologi Vol. 18 No. 2, Maret 2022 Editors
Jurnal Fitopatologi Indonesia Vol. 18 No. 2 (2022): Maret 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.2.i

Abstract

This editorial contains the front cover, editorial page, and back cover of the Indonesian Journal of Phytopathology Vol. 18 No. 2, Maret 2022
Suppression of Blast Disease in Rice Plants using Endophytic Fungus Nigrospora sp. Widodo, Widodo; Purnomo, Dyah Hariyanti; Giyanto; Wiyono, Suryo
Jurnal Fitopatologi Indonesia Vol. 18 No. 5 (2022): September 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.5.195-204

Abstract

Penyakit blas merupakan salah satu penyakit penting yang dapat menyebabkan kehilangan hasil pada tanaman padi. Pengendalian penyakit dengan menggunakan varietas tahan dan penggunaan fungisida masih belum efektif karena tingginya variasi genetik patogen blas, yaitu cendawan Pyricularia oryzae. Pengendalian hayati di antaranya menggunakan cendawan endofit diharapkan mampu menjadi alternatif untuk menekan P. oryzae. Penelitian ini bertujuan menguji aplikasi perendaman dan penyemprotan cendawan endofit Nigrospora sp. dalam menekan penyakit blas. Percobaan dilakukan di dalam pot yang diletakkan di lapangan terbuka di Bogor dari bulan Februari sampai Oktober 2021. Aplikasi cendawan endofit yang diujikan meliputi perendaman benih, penyemprotan tajuk dan kombinasi keduanya. Sebagai pembanding digunakan tanaman yang diberi perlakuan fungisida berbahan aktif trisiklazol dan tanaman kontrol yang tidak diberi perlakuan. Pengamatan meliputi insidensi penyakit, keparahan penyakit dan kolonisasi cendawan endofit pada potongan daun. Meskipun insidensi penyakit mencapai 100% untuk semua perlakuan pada pengamatan terakhir (7 minggu setelah inokulasi), namun tingkat keparahannya tertekan oleh perlakuan Nigrospora sp. Cendawan endofit Nigrospora sp. mampu menekan keparahan penyakit blas daun sebesar 3.0%–25.3% dan blas leher sebesar 49.5%–61.6% jika dibandingkan dengan kontrol. Penekanan penyakit blas paling stabil mulai dari awal pengamatan sampai akhir pengamatan ditunjukkan oleh perlakuan kombinasi perendaman benih dengan penyemprotan Nigrospora sp. Kemampuan cendawan endofit dalam mengolonisasi tanaman padi pada perlakuan Nigrospora sp. berkisar 40.0%–55.6%.
Cover Jurnal Fitopatologi Vol. 18 No. 3, Mei 2022 Editors
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.i

Abstract

This editorial contains the front cover, editorial page, and back cover of the Jurnal Fitopatologi Indonesia Vol. 18 No. 3, Mei 2022
Cover Jurnal Fitopatologi Vol. 18 No. 4, Juli 2022 Editors
Jurnal Fitopatologi Indonesia Vol. 18 No. 4 (2022): Juli 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.4.i

Abstract

This editorial contains the front cover, editorial page, and back cover of the Jurnal Fitopatologi Indonesia Vol. 18 No. 4, Juli 2022
Cover Jurnal Fitopatologi Vol. 16 No. 4, Juli 2022 Editors
Jurnal Fitopatologi Indonesia Vol 16 No 4 (2020)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.16.4.i

Abstract

This editorial contains the front cover, editorial page, and back cover of the Jurnal Fitopatologi Indonesia Vol. 16 No. 4, Juli 2020
Characterization of Soil Rhizospheric Fungi on Citrus Plantation and Their Potential to Inhibiting the Growth of Botryodiplodia theobromae and Colletotrichum gloeosporioides Triasih, Unun; Wuryantini, Susi; Agustina, Dina
Jurnal Fitopatologi Indonesia Vol. 18 No. 5 (2022): September 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.5.205-212

Abstract

Characterization of Soil Rhizospheric Fungi on Citrus Plantation and Their Potential to Inhibiting the Growth of Botryodiplodia theobromae and Colletotrichum gloeosporioidesThe rhizosphere soil around the roots of citrus plants has microorganisms, one of which is a fungus. The aim of this study was to identify the rhizosphere fungi of Siam Pontianak organic citrus gardens and their potential to inhibit the growth of the pathogenic fungi Botryodiplodia theobromae and Colletotrichum gloeosporioides. The characterization of the fungus was carried out by evaluating its growth at different temperatures, humidity and pH levels, then an antagonist test was performed on C. gloeosporioides and B. theobromae. The fungi obtained from the rhizosphere of Siam Pontianak citrus organic farming were Fusarium sp., Fusidium sp., Penicillium sp., Trichoderma sp. All rhizosphere fungi grow optimally at pH 4.5–5.5, temperature 20–30 ℃ and humidity 60–80%. The fungus Penicillium sp. had the highest ability to inhibit the growth of C. gloeosporioides (83.66%), while Trichoderma sp. able to inhibit the growth of the highest pathogen B. theobromae (92.04%). Further studies are needed before applying the obtained fungal isolates as biocontrol agents for C. gloeosporioides and B. theobromae.
Potential of the Endophytic Bacteria from Lantana camara, Palm Oil, and Mangroves to control Meloidogyne spp. on Eggplant Siti Zulaiha; Abdul Munif; Abdjad Asih Nawangsih
Jurnal Fitopatologi Indonesia Vol. 18 No. 5 (2022): September 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.5.213-221

Abstract

Nematoda puru akar (NPA) Meloidogyne spp. merupakan salah satu patogen penting pada tanaman terung. Puru akar sangat merugikan karena menurunkan hasil produksi. Penelitian ini bertujuan mendapatkan bakteri endofit dari Lantana camara dan mengevaluasinya bersama bakteri endofit dari akar kelapa sawit, dan mangrove yang berpotensi untuk mengendalikan Meloidogyne spp. dan menentukan pengaruhnya pada pertumbuhan tanaman terung, serta mengidentifikasi bakteri endofit yang potensial sebagai agens pengendalian hayati. Potensi agens hayati mengacu pada hasil pengujian uji mortalitas, uji senyawa organik volatil (SOV) dan uji penekanan puru akar dievaluasi dengan mengukur persentase penurunan jumlah puru, kerusakan akar, dan jumlah paket telur. Hasil uji menunjukkan seluruh isolat bakteri endofit berpotensi menyebabkan mortalitas, menghasilkan SOV, dan dapat menekan persentase jumlah puru pada akar, serta memberikan pengaruh terhadap bobot dan tinggi tanaman. Bakteri endofit LCA5 dan LCA13 menyebabkan mortalitas lebih dari 90% terhadap Meloidogyne spp. J2. Selama 24 jam dan pada uji SOV menyebabkan mortalitas lebih dari 60% selama 24 jam. Bakteri endofit yang memiliki potensi sebagai pengendalian hayati diidentifikasi sebagai Dyella marensis, Stenotrophomonas rhizophilla, dan Providencia vermicola.
The Severity of Fusarium Wilt Disease in Correlation to the Abundance of Fusarium oxysporum and Phytonematodes: Case Study at Banana Plantation PTPN VIII Parakansalak Tanjung, Mei Rani; Munif, Abdul; Effendi, Yunus; Tondok, Efi Toding
Jurnal Fitopatologi Indonesia Vol. 18 No. 5 (2022): September 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.5.222-230

Abstract

The Severity of Fusarium Wilt Disease in Correlation to the Abundance of Fusarium oxysporum and Phytonematodes: Case Study at Banana Plantation PTPN VIII Parakansalak Fusarium oxysporum f. sp. cubense is a soil-borne pathogen that infects banana plants and causes wilt. Several studies demonstrated that phytomatodes have a role in helping infection of the pathogens that cause wilt. This study aims to determine the relationship between phytonematodes and Fusarium oxysporum f. sp. cubense from soil and banana roots infected with fusarium wilt. Soil samples was obtained from infected banana plants and collected based on different scores of fusarium wilt disease severity. Samples were then composited based on the score, and the abundance of each pathogen is measured following samples extraction in the laboratory. The highest population of phytonematodes was 77 g-1 obtained from soil with a disease severity score of 4; and the lowest was 16 g-1 from samples with a score of 2. As for root samples, the highest population of phytonematodes (85 g-1) was obtained from plants with a score 0 and the lowest (33 g-1) was from plants with a score 3. Two species of phytonematodes were identified, i.e. Helicotylenchus sp. and Radopolus sp. Based on measurement using conventional methods showed that the abundance of Fusarium oxysporum f. sp. cubense was highest in plants with a score of 1, i.e. 8.1 × 103 cfu g-1 soil and lowest in plants with a score of 0 i.e. 1.0 × 103 cfu g-1 soil. The effect of Fusarium oxysporum f. sp. cubense to the severity of fusarium wilt shows a positive relationship of 8.3% and it may contribute to cause fusarium wilt disease by 0.6%. This pathogen can cause wilting of bananas without the help of the phytonematode species found in this study.

Page 32 of 42 | Total Record : 412

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