Potensi Rizobakteria dan Fungisida Nabati Untuk Pengendalian Penyakit Jamur Akar Putih Tanaman Karet

Nasrun, Nasrun; Nurmansyah, Nurmansyah

doi:10.21082/jtidp.v2n2.2015.p61-68

Cited by 2 publications

(2 citation statements)

References 10 publications

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“…The material for making microgranules using tapioca starch, alginate, inulin, and suspension solution of endophytic bacteria, where endophytic bacteria have a role in enhancing the growth of the host plant (Santoyo et al, 2016). The study (Nasrun & Nurmansyah, 2015) using strains of Bacillus and Pseudomonas isolation results from rubber rhizosphere able to inhibit R.microporus of 72.69-90.94% using less inoculum R.microporus. according to (Sebola et al, 2019) states that several strains of bacilus have been used in agriculture as plant growth promoters and biological control agents.…”

Section: Leaf Areamentioning

confidence: 99%

Application of Microgranule from IAA Producing-Endophytic Bacterial as Biofetilizer on Rubber Plants (Hevea brasiliences Muell. Arg.)

Ardiansyah

Warsito

Ginting

2023

JPBN

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Rubber plant (Hevea brasiliensis Muell.Arg) is the main commodity of plantations, some of whose products are exported and some to meet domestic needs as raw materials for industrial purposes. Purpose on research diversity and crateristics of endophytic bacteria producing hormone IAA from rubber plants. Then the effectiveness treatment of microgranules addition and immersion of endophite bacterial suspension and rubber seed soaking suspension to spur the growth of rubber plants. This research was conducted using the factorial CRD (Completely Randomized Design) method consisting of 16 treatments with 2 replications. The first factor was immersion of endophite bacterial suspension consisting of R0 = 0 hours; R1 = 12 hours; R2 = 24 hours and R3 = 36 hours and the second factor was the addition of microgranules consisting of J0 = 0 gr; J1 = 10 gr; J2 = 15 gr; J3 = 20 gr. The results of this study showed that the results on the isolation of endophite bacteria from the tea plant from the roots and stems of the tea plant yielded 3 isolates from plant roots and 2 isolates from plant stems. For IAA levels, the five isolates were positive. The use of endophytic bacteria as an alternative biofertilizer has a significant effect on the parameters observed

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Section: Leaf Areamentioning

confidence: 99%

Application of Microgranule from IAA Producing-Endophytic Bacterial as Biofetilizer on Rubber Plants (Hevea brasiliences Muell. Arg.)

Ardiansyah

Warsito

Ginting

2023

JPBN

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“…dan P. fluorescens lainnya. Kedua strain tersebut dinilai sebagai strain rizobakteria terbaik yang mempunyai kemampuan tertinggi dalam menekan pertumbuhan biomassa koloni jamur R. microporus (Nasrun dan Nurmansyah, 2015) Mikroba yang berasal dari rizosfer dan jaringan akar tanaman karet memiliki potensi sebagai agen hayati untuk mengendalikan R. lignosus penyebab penyakit akar putih dari kelompok bakteri yaitu B. amyloliquefaciens (isolat MR3) dan B. siamensis (isolat ME8). Hasil pengujian secara in vitro terhadap 99 isolat bakteri rizosfer dan endofit jaringan akar dipilih 2 isolat bakteri yang mampu menghambat pertumbuhan R. lignosus lebih dari 50%.…”

Section: Pembahasanunclassified

Uji rizobakteri agen biokontrol terhadap Rigidosporus microporus pada Tanaman Pala (Myristica fragrans) secara in vitro

Khairanisyah

Chamzurni

Syamsuddin

2020

JIMFP

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Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh jenis rizobakteri yang berpotensi sebagai agen biokontrol terhadap daya hambat patogen Rigidoporus microporus pada tanaman pala secara in vitro yang dilakukan pada Laboratorium Ilmu dan Teknologi Benih Fakultas Pertanian Universitas Syiah Kuala mulai bulan Maret sampai Mei 2018. Sampel yang digunakan yaitu patogen R. microporus penyebab jamur akar putih (JAP) pada tanaman pala dan isolat rizobakteri dari tanaman yang sehat diantara tanaman yang sakit. Hasil yang diperoleh dari penelitian ini yaitu terdapat 44 isolat rizobakteri murni, setelah diuji daya hambat terdapat 27 isolat rizobakteri yang dapat menghambat patogen R. microporus dan setelah uji antagonisme terdapat 18 isolat rizobakteri yang mampu menekan pertumbuhan koloni patogen R. microporus. Isolat rizobakteri yang memiliki penghambatan paling tinggi terdapat pada AP 5/7 dengan penghambatan 74.44% yang memiliki ciri-ciri bentuk permukaan koloni cembung, berwarna putih, dengan pinggiran koloni tidak rata dan AP 8/2 dengan penghambatan 61.11% yang memiliki ciri-ciri bentuk permukaan koloni rata, berwarna putih, dengan pinggiran koloni tidak rata.Rhizobacterial test of bio control agent toward Rigidosporus microporus on Nutmeg Plants (Myristica fragrans) in vitroAbstract. This study aims to determine the effect of rhizobacteria types that have potential as bio control agents on the pathogenic inhibitory power of Rigidoporus microporus on nutmeg plants in vitro which was conducted at the Laboratory of Seed Science and Technology, Faculty of Agriculture, Syiah Kuala University, from March to May 2018. The samples used were pathogenic R. microporus causing white root fungus (JAP) on nutmeg plants and rhizobacterial isolates from healthy plants among diseased plants. The results obtained from this study is there were 44 pure rhizobacterial isolates, after testing the inhibitory power, there were 27 isolates of rhizobacteria that could inhibit R. microporus pathogens and after antagonism test there were 18 isolates of rhizobacteria that could suppress the growth of R. microporus pathogenic colonies. Rhizobacterial isolates with the highest inhibition were found on AP 5/7 with 74.44% inhibition which had features of convex, white colony surface shape, with uneven colony edges and AP 8/2 with 61.11% inhibition which had features of flat colony surface shape, white colour, with uneven edges of colonies.

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Potensi Rizobakteria dan Fungisida Nabati Untuk Pengendalian Penyakit Jamur Akar Putih Tanaman Karet

Cited by 2 publications

References 10 publications

Application of Microgranule from IAA Producing-Endophytic Bacterial as Biofetilizer on Rubber Plants (Hevea brasiliences Muell. Arg.)

Application of Microgranule from IAA Producing-Endophytic Bacterial as Biofetilizer on Rubber Plants (Hevea brasiliences Muell. Arg.)

Uji rizobakteri agen biokontrol terhadap Rigidosporus microporus pada Tanaman Pala (Myristica fragrans) secara in vitro

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