Efficiency of biogas slurry and Burkholderia phytofirmans PsJN to improve growth, physiology, and antioxidant activity of Brassica napus L. in chromium-contaminated soil

A pot experiment was conducted to study the effects of arsenic (As) and sulfur (S) interaction on yield and their accumulation and distribution in rapeseed (Brassica napus L.). The results showed that (1) at the same level of S treatment, application of As significantly decreased rapeseed grain and biomass yield; (2) Application of S significantly increased the grain and biomass yield of rapeseed when As was applied; (3) When As application rate increased, As content significantly increased in different parts of rapeseed, and reached their highest level at<br />120 mg/kg As. Arsenic content from seed were all below 1 mg/kg AS. Addition of S significantly reduced As contents in root and grain of rapeseed.

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Chelate-assisted phytoextraction: Effect of EDTA and EDDS on copper uptake by Brassica napus L.

Journal of the Serbian Chemical Society ◽

10.2298/jsc091207086z ◽

2010 ◽

Vol 75 (9) ◽

pp. 1279-1289 ◽

Cited By ~ 12

Author(s):

Tijana Zeremski-Skoric ◽

Petar Sekulic ◽

Ivana Maksimovic ◽

Srdjan Seremesic ◽

Jordana Ninkov ◽

...

Keyword(s):

Brassica Napus ◽

Contaminated Soil ◽

Maximum Amount ◽

Copper Uptake ◽

High Biomass ◽

Brassica Napus L ◽

Growth Depression ◽

High Concentrations ◽

Cu Uptake ◽

Assisted Phytoextraction

Chelate-assisted phytoextraction has been proposed as an effective approach to removing heavy metals from contaminated soil through use of high biomass plants. The aim of the present study was to compare the efficiency of the two chelators: EDTA and biodegradable EDDS in enhancing Cu uptake and translocation by Brassica napus L. grown on moderately contaminated soil and treated with increasing concentrations of EDTA or EDDS. Increasing amounts of EDDS caused a serious growth depression of Brassica napus and an increase in shoot metal concentrations. Growth depression limited the actual amount of phytoextracted Cu at high concentrations of EDDS. The maximum amount of extracted Cu was achieved by the application of 8.0 and 4.0+4.0 mmol/kg EDDS. The shoot Cu concentrations after EDTA application were much lower than with EDDS at the same doses. According to this experiment, EDTA does not appear to be an efficient amendment if Cu phytoextraction with Brassica napus is considered but EDDS is.

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Characterization of bacterial communities associated with Brassica napus L. growing on a Zn-contaminated soil and their effects on root growth

International Journal of Phytoremediation ◽

10.1080/15226514.2016.1183566 ◽

2016 ◽

Vol 18 (10) ◽

pp. 985-993 ◽

Cited By ~ 11

Author(s):

Blanca Montalbán ◽

Sarah Croes ◽

Nele Weyens ◽

M Carmen Lobo ◽

Araceli Pérez-Sanz ◽

...

Keyword(s):

Brassica Napus ◽

Root Growth ◽

Contaminated Soil ◽

Bacterial Communities ◽

Brassica Napus L

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Antioxidant activity in Brassica napus L. plants expressing lox-dependent BAR gene

Faktori eksperimental'noi evolucii organizmiv ◽

10.7124/feeo.v20.778 ◽

1970 ◽

pp. 271-275

Author(s):

L. O. Sakhno ◽

K. V. Lystvan

Keyword(s):

Antioxidant Activity ◽

Superoxide Dismutase ◽

Brassica Napus ◽

Soluble Protein ◽

Total Soluble Protein ◽

Bar Gene ◽

Fresh Weight ◽

Soluble Protein Content ◽

Brassica Napus L ◽

Total Soluble Protein Content

Aim. The study of possible unintended biochemical peculiarities of newly obtained herbicide-resistant canola (Brassica napus L.) plants expressing the lox-dependent BAR gene was the aim. Methods. Total soluble protein content, total free radical scavenging activity, and superoxide dismutase activity have been investigated using Bradford’s, DPPH, and nitroblue tetrazolium assays, respectively. Fresh weight of plants grown on media with or without phosphinothricin was also measured. Results. The antioxidant activity of leaf extracts of untransformed plants under in vitro growth condi-tions had no significant differences in comparison with ones of phospinothricin-resistant plants in the third generation. No significant changes in parameters investigated were observed in transgenic plants cultivated on media with herbicide addition compared to ones grown on media without it. Fresh weight and total soluble protein content were similar in transgenic and untransformed canola plants under growth without phosphinothricin. Conclusions. Lox-dependent BAR gene introduction and expression resulted in no significant differences in leaf antioxidant activity in transgenic canola plants comparing to untransformed controls.Keywords: Brassica napus, antioxidant activity, DPPH, glufosinate, superoxide dismutase.

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