Growth and Biochemical performance of Cassava-Manihot &lt;i&gt;esculenta&lt;/i&gt; Crantz to Crude oil Polluted soil amended with &lt;i&gt;Centrosema pubescens&lt;/i&gt; Benth and NPK

Eremrena, P; Akonye, LA

doi:10.4314/jasem.v17i2.4

Cited by 3 publications

(1 citation statement)

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“…Pollution can be defined as the introduction of deleterious substance into the environment that endangers human health and other natural resources (Onojake 2004). It results when a change in the environment harmfully affects the quality of human life and other essential living things such on animals, microorganisms and plants (Ogbogbodo et al 2005;Eremrena and Akonye 2013). Crude oil is a naturally occurring complex mixture of thousands of hydrocarbons and non-hydrocarbon compounds, including heavy metals.…”

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confidence: 99%

Molecular characterization and evaluation of crude oil remediation potential of some rhizobia isolated from plant root nodules

Enibukun

Boboye

2020

NBC

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This study aimed to determine the molecular identities and genetic relatedness of rhizobia isolated from pigeon pea and pinto beans, and assess their remediation potential in the presence of 1 %, 3 % and 5 % (w/v) crude oil in minimal medium for 7 days incubation period. Standard microbiological and molecular methods which include amplification and purification of 16S rRNA, agarose gel electrophoresis, and sequencing. Results showed molecular identities of six rhizobia from pigeon peas as Bradyrhizobium diazoefficiens USDA122, Rhizobium leguminosarum WSM2304, Bradyrhizobium japonicum N61, Rhizobium leguminosarum N741, Rhizobium leguminosarum BIHIB1217, and Bradyrhizobium japonicum E109; and three rhizobia obtained from pinto beans were Rhizobium leguminosarum N871, Bradyrhizobium diazoefficiens USDA110 and Bradyrhizobium japonicum SEMIA5079. All tested rhizobia (9) showed petroleum degradation ability, as they all grew in the 1, 3 and 5 % (w/v) crude oil minimal medium under laboratory conditions. B. diazoefficiens USDA122 showed the highest optical density (OD) value of 1.184 ± 0.05 on 7th day at 1 % (w/v) crude oil contamination, while R. leguminosarum N741 has the lowest OD value of 0.372 ± 0.02 at 5 % (w/v) crude oil on 7th day. For all the rhizobia, increase occurred throughout incubation period at 1, 3 and 5 % (w/v) except Rhizobium leguminosarum N741 and R. leguminosarum BIHIB1217. In conclusion, the association of R. leguminosarum BIHIB1217 and R. leguminosarum N871 from pigeon pea and pinto beans respectively, were found most effective in crude oil degradation and thus they are recommended as a promising association for remediation of crude oil spilled soils.

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Section: Introductionmentioning

confidence: 99%

Molecular characterization and evaluation of crude oil remediation potential of some rhizobia isolated from plant root nodules

Enibukun

Boboye

2020

NBC

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Alleviatory Effect of Compost Amendments of Crude Oil Impacted Soil on the Neutraceutical Composition of <i>Cucurbita maxima </i>Duch

Okon

Eneh

2018

JHPR

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The effect crude oil pollution and amendment treatments using decomposed green manure (Calopogonium muconoidesDesvaux andAspilia africana(Person) C.D.Adams) on the growth and neutraceutical (minerals, proximate and vitamins A and C) ofCucurbita maximawere studied. Crude oil polluted soils were obtained by mixing thoroughly 10 kg of sandy-loam soil with 10, 20, 30, 40 and 50 ml of crude oil, 0 ml served as control. The amendment treatment with green manure ofC. muconoidesandA. africanawas carried out by adding the different levels of crude oil polluted soils (10 – 50 ml) with 4 kg of the compost manure. The experimental work was carried out in the green house using plastic buckets. Measurement of selected growth parameters such as percentage germination, vine length, leaf area, internode length, leaf number and petiole length was carried out after nine (9) weeks. The results indicated that crude oil pollution significantly (p=0.05) reduced the growth parameters ofC. maxima. Mineral content, proximate composition and vitamin A and C contents ofC. maximaalso showed pronounced reduction with increase in crude oil concentration. The addition of amendment treatment with green manure ofC. muconoidesandA. africanato ameliorate the impeding condition in the crude oil polluted soil significantly (p=0.05) improved the growth parameters and neutraceutical composition ofC. maximawhen compared to the pollution treatment. This study revealed that crude oil pollution negatively affected the growth and neutraceutical composition and generally the productivity ofC. maxima. From this study, it is evident thatC. muconoidesandA. africanaenhanced the growth and quality ofC. maxima.Therefore,C. muconoidesandA. africanashould be used for effective and efficient bioremediation practices.

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Influence of a mycorrhizal fungus and mineral fertilizer on the performance of Costus lucanusianus under crude oil contaminated soil

Nkereuwem¹,

Fagbola

Okon

et al. 2020

Novel Research in Microbiology Journal

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Considering the detrimental effects of crude oil pollution on plants, and its implications on food security and environmental safety, it becomes imperative to screen for plants with strong tolerance to crude oil contaminated soil. This study was conducted to assess the influence of arbuscular mycorrhizal fungus (AM) and a mineral fertilizer (NPK 15 15 15 grade), on the performance of African spiral ginger (Costus lucanusianus) plant, under crude oil contaminated soil. About 10 kg of sterilized soil was contaminated with Bonny light crude oil at different concentrations of; 0, 200, 300 and 500 ml/ pot. Moreover, a fertilizer (i.e. NPK) was applied at three different levels (0, 0.7 and 1.2 g/ pot) to the crude oil contaminated soil in the pots, and then inoculated with arbuscular mycorrhizal (AM) fungus; consisting of 20 g of Glomus clarum. After that, Costus lucanusianus was planted in the pot soil by stem cuttings. Results of this greenhouse assay involving; the residual total petroleum hydrocarbon (TPH) content of the soil, plant height, number of leaves, fresh and dry weights, percent of mycorrhizal root colonization, and fungal total colony count, were collected at 4, 8 and 12 weeks after planting (WAP). Current results showed that mycorrhizal inoculation and fertilizer application enhanced the tolerance and growth of C. lucanusianus plant to the crude oil contaminated soil. Mycorrhizal inoculation and NPK fertilizer application at 1.2 g/ pot recorded higher and significantly (p<0.05) different plant height, number of leaves, fresh and dry weights of C. lucanusianus. The TPH degradation and removal was higher in soil inoculated with AM, compared to non AM inoculated control treatments. Similarly, NPK fertilizer application also resulted in lower residual TPH content in the crude oil contaminated soil, compared to the control. Combined AM colonization and NPK fertilizer application resulted in improved physiological parameters of the C. lucanusianus plant.

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Growth and Biochemical performance of Cassava-Manihot <i>esculenta</i> Crantz to Crude oil Polluted soil amended with <i>Centrosema pubescens</i> Benth and NPK

Cited by 3 publications

References 3 publications

Molecular characterization and evaluation of crude oil remediation potential of some rhizobia isolated from plant root nodules

Molecular characterization and evaluation of crude oil remediation potential of some rhizobia isolated from plant root nodules

Alleviatory Effect of Compost Amendments of Crude Oil Impacted Soil on the Neutraceutical Composition of <i>Cucurbita maxima </i>Duch

Influence of a mycorrhizal fungus and mineral fertilizer on the performance of Costus lucanusianus under crude oil contaminated soil

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