PGPR Indigenous Peat Soil as Seed Biopriming and Bioprotectant in Early Growth of Corn Plant with Fusarium sp Inoculation

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Research Paper 04/12/2022
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PGPR Indigenous Peat Soil as Seed Biopriming and Bioprotectant in Early Growth of Corn Plant with Fusarium sp Inoculation

Nurul Hidayati, Salamiah Salamiah, Raihani Wahdah, Fahrur Razie
Int. J. Biosci.21( 6), 83-90, December 2022.
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The mechanisms of PGPR in increasing plant growth include biofertilizers, biostimulants, phytohormones, producing siderophores, dissolving phosphates, and bioprotectant agents. Seed biopriming allows bacteria to enter/attach to the seed and is effective in promoting seed emergence and suppressing disease. The purpose of this study was to analyze PGPR indigenous from peat soil as seed biopriming for the initial growth of corn plants inoculated with Fusarium sp. in vivo. The study was conducted in the laboratory, using agar media for seeding sweet corn seeds to be organized into a single factor completely randomized design, consisting of 12 treatments and 2 controls, to be repeated 3 times. The results showed that the treatment significantly affected the root dry weight variable and did not differ significantly from the root roaming variable, plumula length, plumula wet weight, plumula dry weight, and root wet weight and Fusarium disease attack. The biopriming treatment using rhizobacteria Bacillus cereus gave effect to the highest root dry weight, significantly different from the treatment of Burkholderia cepacia + Fusarium sp. and Brevibacillus laterosporus + Fusarium sp.  Seed biopriming treatment on Fusarium sp. disease resistance inoculated on corn seeds showed no significant effect. The use of biopriming contributes to the reduction of inputs of environmentally unfriendly synthetic products.


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