Abstract
Abstract—Soybean (Glycine max L.) is the third most important food commodity after rice and corn in Indonesia. This study aims to determine the interaction of soybean growth that has been incubated using Pseudomonas fluorescens. The research method used a randomized block design experiment consisting of five treatments, namely S1 (soybean seeds were given Pseudomonas fluorescens and not incubated), S2 (soybean seeds were given Pseudomonas flourescen and incubated for 6 hours), S3 (soybean seeds were given Pseudomonas flourescens and incubated for 12 hours), S4 (soybean seeds were given Pseudomonas flourescens and incubated for 18 hours), and S5 as a control. The test used univariate analysis and further tested with Duncan's test with a level of 5%. The results showed that there was no significant effect on the use of Pseudomonas flourescens as a soybean seed incubation material on the parameters of plant height, leaf area, wet weight, and dry weight of soybean plants. Keywords—:Soybean; Pseudomonas fluorescens; incubation; seeds; biological agents
Highlights
Kedelai (Glycine max L.) termasuk komoditas pangan ketiga terpenting setelah padi dan jagung di Indonesia
This study aims to determine the interaction of soybean growth that has been incubated using Pseudomonas fluorescens
The results showed that there was no significant effect on the use of Pseudomonas flourescens as a soybean seed incubation material on the parameters of plant height, leaf area, wet weight, and dry weight of soybean plants
Summary
Kedelai (Glycine max L.) termasuk komoditas pangan ketiga terpenting setelah padi dan jagung di Indonesia. Pengendalian hayati digunakan untuk meningkatkan pertumbuhan tanaman khususnya produksi kedelai yang ramah lingkungan. Rizobakteri dari genus Pseudomonas, Bacillus dapat meningkatkan pertumbuhan tanaman, menguraikan dinding sel patogen dan menghambat pertumbuhan patogen dengan menghasilkan senyawa antimikroba seperti siderofor (Diniyah, 2010). Peningkatan pertumbuhan tanaman dan pengendalian penyakit dengan menggunakan P. fluorescens merupakan salah satu alternatif pengelolaan tanaman kedelai yang ramah lingkungan, berkesinambungan dan dapat diintegrasikan dalam program pengendalian hama terpadu (Yanti et al, 2013). Pseudomonas fluorescens dapat mengurangi persentase serangan R. solanacearum karena mampu memproduksi metabolik sekunder seperti siderofor, poluteorin, pirrolnitrin, filoroglusinol serta fenazin dan semua antibiotik tersebut termasuk golongan fenol yang menghambat pertumbuhan bakteri R. solanacearum (Rosyidah et al, 2013). Kemampuan Rizobakteria meyuburkan tanaman dan mengendalikan penyakit pada berbagai komoditas telah banyak dilaporkan, tetapi penggunaan rizobakteria dari lingkungan habitat tanaman kedelai belum pernah dilaporkan. Penelitian ini bertujuan menguji perlakuan pemberian Pseudomonas flourescen terhadap pertumbuhan tanaman kedelai dan pengaruh perlakuan lama inkubasi Pseudomonas flourescen terhadap pertumbuhan tanaman kedelai
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