Abstract
Abstract In the era of industrialization, chromium (Cr) as a metal poses a substantial threat to the ecosystem. Selenium (Se) is essential for minimizing heavy metal stress in crops and effectively reducing their accumulation in edible plant parts. This research work aimed to evaluate the synergistic effect of compost and Se for alleviation of Cr stress in chili plants. A greenhouse trail was conducted to investigate the individual and combined effects of foliage applied selenium (Na 2 SeO 4 = 3 µM) and soil applied compost (250 mg kg −1 , w/w) on the growth, physio-biochemical, antioxidant and of chili grown under varying levels of induced Cr stress (0, 100, and 200 mg kg −1 using K 2 Cr 2 O 7 ). Findings revelaed that a significant linear reduction was observed in growth, biomass, and physiological parameters of chili plant with an increasing level of Cr concentrations. Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively. Combined application of compost and selenium showed significant increase regardless of Cr concentrations in the soil. Synergistic approach of compost and selenium showed improved growth in comparison with the sole application in limiting the movement and uptake of Cr in the roots and fruits of chili plants. Moreover, improved physiological and antioxidant potential of chili plants helped to cope with higher levels of Cr stress by limiting the lipid peroxidation and membrane damange. The combined use of compost and selenium induces the physio-biochemical defense responses against of the varying levels of Cr stress in chili plants. This promising approach highlights the significant potential for growing chili crop in Cr-contaminated soils to achieve better quality and higher yields.
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Claims 13
Claim · model-written summary
Increasing chromium levels caused a significant linear reduction in growth, biomass and physiological parameters of chili.
- Taxon
- chilit0
- Treatment
- increasing level of Cr concentrationse1
- Outcome
- growth, biomass, and physiological parameterse1
- Direction
- linear reductione1
- Setting
- greenhousee0
Not reportedComparator
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e1“a significant linear reduction was observed in growth, biomass, and physiological parameters of chili plant with an increasing level of Cr concentrations”
Claim · model-written summary
Chromium at 100 mg/kg in soil decreased relative water content of chili by 20.04%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Chromium at 200 mg/kg in soil decreased relative water content of chili by 27.21%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Chromium at 100 mg/kg in soil decreased total chlorophyll concentrations of chili by 11.73%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Chromium at 200 mg/kg in soil decreased total chlorophyll concentrations of chili by 20.57%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Chromium at 100 mg/kg in soil increased electrolyte leakage of chili by 59.14%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Chromium at 200 mg/kg in soil increased electrolyte leakage of chili by 130.52%, compared with the control.
Verbatim
t0“chili”
e0“A greenhouse trail was conducted”
e2“Maximum decrease in relative water content (20.04 and 27.21%) and total chlorophyll concentrations (11.73 and 20.57%) and increased in electrolyte leakage (59.14 and 130.52%) was observed at 100 and 200 mg kg −1 of Cr levels in soil in comparison with the control, respectively”
Claim · model-written summary
Combined compost and selenium significantly increased chili variables regardless of chromium concentration in soil.
- Taxon
- chilit0
- Treatment
- Combined application of compost and seleniume3
- Direction
- increasee3
- Qualifier
- regardless of Cr concentrations in the soile3
Not reportedComparatorOutcome
Verbatim
t0“chili”
e3“Combined application of compost and selenium showed significant increase regardless of Cr concentrations in the soil”
Claim · model-written summary
Synergistic compost and selenium improved chili growth compared with the sole application.
Verbatim
t0“chili”
e4“Synergistic approach of compost and selenium showed improved growth in comparison with the sole application in limiting the movement and uptake of Cr in the roots and fruits of chili plants”
Claim · model-written summary
Synergistic compost and selenium limited the movement and uptake of Cr in the roots and fruits of chili compared with the sole application.
Verbatim
t0“chili”
e4“Synergistic approach of compost and selenium showed improved growth in comparison with the sole application in limiting the movement and uptake of Cr in the roots and fruits of chili plants”
Claim · model-written summary
Improved physiological and antioxidant potential of chili limited lipid peroxidation and membrane damage.
Verbatim
e5“limiting the lipid peroxidation and membrane damange”
e6“improved physiological and antioxidant potential of chili plants helped to cope with higher levels of Cr stress”
Claim · model-written summary
The combined use of compost and selenium induces physio-biochemical defense responses in chili under varying chromium stress.
Verbatim
e7“The combined use of compost and selenium induces the physio-biochemical defense responses against of the varying levels of Cr stress in chili plants”
Claim · model-written summary
Compost and selenium can support growing chili in Cr-contaminated soils for better quality and higher yields.
Verbatim
e7“This promising approach highlights the significant potential for growing chili crop in Cr-contaminated soils to achieve better quality and higher yields”
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