Andi Khaeruni
Universitas Halu Oleo, Kendari

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Aplikasi Formula Campuran Rizobakteri untuk Pengendalian Penyakit Busuk Akar Rhizoctonia dan Peningkatan Hasil Kedelai di Tanah Ultisol Andi Khaeruni; Asniah Asniah; Muhammad Taufik; Gusti Ayu Kade Sutariati Ayu Kade Sutariati
Jurnal Fitopatologi Indonesia Vol 10 No 2 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.224 KB) | DOI: 10.14692/jfi.10.2.37

Abstract

Rhizoctonia root rot disease caused by Rhizoctonia solani is one of the most important disease in soybean area, including at ultisol land in Southeast Sulawesi. Rhizobacteria application is one alternative method to control this pathogen. The aim of this experiment was to study of rhizobacteria indigenous formulation to control of Rhizoctonia root rot disease and increase soybean yield in Ultisol soil. A complete randomized design with seven treatments was used in this experiment. The treatments were (A) rhizobacteria formulation for seed treatment, (B) rhizobacteria formulation for seed treatment and repeated at 2 weeks after planting, (C) rhizobacteria formulation for seed treatment, repeated at 2 and 4 weeks after planting, (D) rhizobacteria formulation for seed treatment and fungicide applied at 2 weeks after planting, (E) fungicide seed treatment, and repeated at 2 weeks after planting, (F) fungicide seed treatment, and repeated at 2 and 4 weeks after planting, and control (without rhizobacteria and fungicides). All treatments were inoculated by R. solani and replicated three times. The results showed that rhizobacteria seed treatment and repeated at 2 and 4 weeks after planting was the most effective treatment to control Rhizoctonia root rot disease, and increase plant height and leaf number up to 119% and 170%, respectively, and increased the yield of soybean up to 1870% in ultisol soil compared to plant with control treatment.  
Integrasi Teknik Invigorasi Benih dengan Rizobakteri untuk Pengendalian Penyakit dan Peningkatan Hasil Tomat Gusti Ayu Kade Sutariati; Abdul Madiki; Andi Khaeruni
Jurnal Fitopatologi Indonesia Vol 10 No 6 (2014)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (263.714 KB) | DOI: 10.14692/jfi.10.6.188

Abstract

The effects of pre-planted seed invigoration treatment integrated with rhizobacteria were studied in an attempt to control fusarium wilt disease and to improve yield of tomato in the field. Seed treatments consisted of seed invigoration with single or mixture rhizobacteria, burned rice husk or sawdust seed matriconditioning, integrated seed matriconditioning with single or mixture rhizobacteria, seed hydration, and fungicide seed treatment. The result showed that the most effective treatment was the integration of rice hull charcoal seed matriconditioning with Bacillus polymixa BG25. The seed treatment increased total fruit and fruit weight by 40% and 166% , respectively. The treatment was also effective in suppressing disease incidence by 70%. Based on this experiment, rhizobacteria B. polymixa BG25 integrated with rice hull charcoal seed matriconditioning can be recommended as biocontrol agents in improving yield and controlling fusarium wilt disease of tomato.