Efektifitas Azotobacter sp. Dan Pseudomonas sp. Pada tanaman sorgum (Shorgum bicolor L.) dalam proses fitoremediasi limbah minyak bumi

P. Suryatmana, Mieke Rochimi Setiawati, N. N. Kamaluddin, Diyan Herdiyantoro
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引用次数: 0

Abstract

 Interaksi sinergis antara tanaman-bakteri dapat digunakan untuk meningkatkan kinerja fitoremediasi tanah yang terkontaminasi hidrokarbon (HC). Penelitian bertujuan untuk karakterisasi plant growth promoting rhizobacteria: Azotobacter sp. dan Pseudomonas sp. dalam kinerja fitoremediasi limbah minyak bumi menggunakan tanaman sorgum (Sorghum bicolor L.). Penelitian menggunakan rancangan acak kelompok faktorial (RAK-Faktorial) terdiri dari inokulasi Azotobacter sp. sebanyak 0%, 1%, 2%, dan 3% per konsentrasi total petroleum hydrocarbon (TPH), dan inokulasi Pseudomonas sp  0%, 1%, 2%, dan 3% per TPH. Hasil penelitian menunjukkan bahwa tidak ada interaksi antara inokulasi Azotobacter sp. dan Pseudomonas sp. terhadap seluruh variabel respon. Namun, efek mandiri terlihat pada efisiensi biodegradasi HC, yaitu inokulasi Azotobacter sp dosis 3% berbeda secara signifikan dengan kontrol pada fase ke 4 minggu setelah tanam (MST), tetapi tidak signifikan pada fase 14 MST. Inokulasi Pseudomonas sp. tidak memberikan efek yang signifikan antar perlakuan terhadap efisiensi biodegradasi HC pada dua periode pengamatan. Populasi Azotobacter sp. dan Pseudomonas sp. menurun pada periode 4 MST, selanjutnya meningkat  pada periode 14 MST. Pertumbuhan tanaman sorgum mengalami retardasi selama 14 MST. Residu hidrokarbon terakumulasi lebih tinggi di bagian akar daripada di bagian tajuk tanaman. Azotobacter sp. dan Pseudomonas sp. berperan sebagai binding agent yang dapat menghambat serapan hidrokarbon oleh akar sorgum.ABSTRACTThe synergism interaction between plant-bacteria can be used to improve performance of phytoremediation hydrocarbon (HC) contaminated soil. The study aimed to characterize  Azotobacter sp. and Pseudomonas sp. in petroleum phytoremediation performance using sorghum (Sorghum bicolor L). The research used a randomized block design with two factors: Azotobactersp. inoculation 0%, 1%, 2% and 3% per total petroleum hydrocarbon (TPH) concetration, and Pseudomonas sp inoculation:  0%, 1%, 2% and 3% per TPH concentration. The results showed there was no interaction between Azotobacter sp. and Pseudomonas sp. inoculation to each response variable. The independent effect of 3% Azotobacter sp. to biodegradation HC efficiency was significantly different from the control at phase 4 weeks after planting (WAP), but not significantly different at phase 14 WAP. Pseudomonas sp. effect did not show a significantly different between treatments on the hydrocarbon biodegradation efficiency in the two observation periods. Azotobacter sp. and Pseudomonas sp. population decreased at period 4 WAP, then increased at period 14 WAP. The Sorghum growth was retarded during 14 WAP. Hydrocarbon residues accumulated higher in the roots than in shoot. Azotobacter sp. and Pseudomonas sp. act as a binding agent that can inhibit the hydrocarbons uptake by sorghum roots.
sp. Azotobacter sp.和高粱植物中的伪模
细菌之间的相互作用可以用来改善被碳氢化合物污染的土壤的适应能力(HC)。研究的目的是利用高粱植物(高粱植物)进行植物生长特性分类:Azotobacter sp.和伪单胞菌sp。研究采用的是组织章程的随机设计,包括0%、1%、2%和3%的输出国率(TPH),以及pph总浓度为0%、1%、2%和3%的伪单单胺。研究结果表明,sp的Azotobacter接种和ppe伪称sp对所有变量响应没有相互作用。然而,自我降解的效果可以看到HC的生物降解,即接种sp剂量的Azotobacter - 3%与控制后4周的阶段(MST)明显不同,但在第14 MST阶段则不然。在两项观察期间,接种伪称单胞菌对治疗生物降解的效率没有显著影响。sp的Azotobacter种群和pps的伪称种群在4 MST周期内减少,然后在14 MST周期内增加。高粱植物的生长质量下降了14毫秒。根部的碳氢化合物残留物比标题部的高。Azotobacter sp.和pps pps .作为一种粘合剂,可以抑制高粱根对碳氢化合物的吸收。植物细菌之间的共生关系可能会被用来改善对氢化合物(HC)化合物化合物的治疗表现。研究用高梁进行了一系列的设计0%, 1%, 2%和3%的石油碳(TPH)消化率和伪性真空:0%,1%,2%和3%的TPH浓度。结果表明,在Azotobacter sp和伪称关系都没有关系。在植树4周后,HC efciency的生物降解对其具有明显的不同,但对火星14级不同的不同。假阳性侦探没有在两个观测周期中对氢碳生物降解作用表现出明显的不同。Azotobacter sp.和伪称的人口在第四区除虫区,然后增加到第14区。高粱在14号WAP时昏倒了。碳氢化合物激活比射击速度高。《末日警察》和《真假侦探》就像一种粘合剂,可以让氢弹从根中吸收。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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