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All Journal Jurnal Agro Industri Perkebunan
Imam Rifai
Universitas Andalas
Agriculture, Biological Sciences & Forestry

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Penapisan Isolat Rizobakteri Indigenos untuk Pengendalian Ganoderma boninense pada Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Yulmira Yanti; Arnetti Arnetti; Imam Rifai
Jurnal Agro Industri Perkebunan Volume 7 No. 2, Oktober 2019
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v7i2.1156

Abstract

Basal stem rot (Ganoderma boninense) is one of the main diseases of oil palm. The objective of the research was to obtain indigenous rhizobacteria (RBI) isolate which have the ability increase growth and to control basal stem rot on oil palm seedlings in planta. Experimental research consists of 3 stages by using Completely Randomized Design (CRD). Indigenous rhizobacteria isolate testing as plant growth promoting rhizobacteria (PGPR) and to control of G. boninense on pre-nursery of oil palm consisted of 29 treatments (27 RBI isolates, without G. boninense inoculation as positive control, and G. boninense inoculation as negative control) with 5 replications each. Data were analyzed by variance, if the result significantly different, it was continued by using Least Significance Different (LSD) at 5% level. The results showed that two of the best isolates were RZ2E 2.1 and RZ2E 1.2 which were able to increase growth and were able to suppress the development of basal stem rot G. boninense.
Identifikasi Isolat Rizobakteri Indigenos Potensial Sebagai Agens Biokontrol Ganoderma boninense Yulmira Yanti; Nurbailis Nurbailis; Imam Rifai
Jurnal Agro Industri Perkebunan Volume 9 Nomor 1 Tahun 2021
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v9i1.1494

Abstract

Rhizobacteria is a group of bacteria that colonize roots, affect growth and control plant pathogens. Based on the results of previous studies, 6 isolates have the best ability to control Ganoderma boninense in oil palm seedlings. It is important to characterize them molecularly. Molecular identifications of the selected rhizobacteria isolates were done using the 16S rRNA gene. The results showed that all isolates were identified to have similarity as 5 different species i.e Bacillus paramycoides, Microbacterium paraoxydans, B. albus, B. cereus, and Serratia marcescens based on NCBI database.
Co-Authors Arnetti Arnetti Nurbailis Yulmira Yanti