Abstract
The present study was carried-out at Antoniades Research Branch, Horticultural Research Institute, A.R.C. Alexandria, Egypt during the two successive seasons of 2014 and 2015. The aim of this study was to evaluate the effects of irrigation water contaminated with cadmium on Jatropha curcas plants grown in sandy soil and the possibility of using ascorbic acid spray treatments to overcome the effects of cadmium pollution. Seedlings of Jatropha curcas were planted individually in plastic pots (30 cm diameter) filled with 8 kg of sandy soil. The contaminated irrigation water treatments were four concentrations of cadmium 0,100, 200 and 300 mg/l were applied. The plants were also sprayed with ascorbic acid at concentrations of 0, 250 and 500 mg/l by monthly spraying in both seasons. The results showed that for vegetative growth parameters there was no significant difference in the interaction between cadmium concentrations and foliar spray by ascorbic acid. While a significant reduction was observed in all parameters after irrigation with cadmium contaminated water and a significant increase in vegetative growth parameters was observed after 500 mg/l ascorbic acid application. For chlorophyll and carbohydrate content, the highest significant value was obtained from plants irrigated with tap water and sprayed with 500 mg/l ascorbic acid while the highest significant amount of cadmium content in leaves, stem and roots was obtained from the treatment 300 mg/l cadmium without application of ascorbic acid.
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Claims 5
Claim · model-written summary
Cadmium concentration and foliar ascorbic acid had no significant interaction for vegetative growth parameters.
- Taxon
- Jatropha curcas
_tree_at_Samedha.jpg?width=60)
Jatropha curcast0 - Treatment
- interaction between cadmium concentrations and foliar spray by ascorbic acide0
- Outcome
- vegetative growth parameterse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_tree_at_Samedha.jpg?width=500)
Verbatim
t0“Jatropha curcas”
e0“for vegetative growth parameters there was no significant difference in the interaction between cadmium concentrations and foliar spray by ascorbic acid.”
Claim · model-written summary
Cadmium-contaminated irrigation significantly reduced all vegetative growth parameters.
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- irrigation with cadmium contaminated watere0
- Outcome
- all parameterse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Jatropha curcas”
e0“a significant reduction was observed in all parameters after irrigation with cadmium contaminated water”
Claim · model-written summary
Application of 500 mg/l ascorbic acid significantly increased vegetative growth parameters.
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- 500 mg/l ascorbic acid applicatione0
- Outcome
- vegetative growth parameterse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Jatropha curcas”
e0“a significant increase in vegetative growth parameters was observed after 500 mg/l ascorbic acid application.”
Claim · model-written summary
Tap-water irrigation with 500 mg/l ascorbic acid spray gave the highest significant chlorophyll and carbohydrate content.
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- irrigated with tap water and sprayed with 500 mg/l ascorbic acide0
- Outcome
- chlorophyll and carbohydrate contente0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Jatropha curcas”
e0“For chlorophyll and carbohydrate content, the highest significant value was obtained from plants irrigated with tap water and sprayed with 500 mg/l ascorbic acid”
Claim · model-written summary
Cadmium at 300 mg/l without ascorbic acid gave the highest significant cadmium content in leaves, stem and roots.
- Taxon
- Jatropha curcasJatropha curcast0
- Organ / stage
- leaves, stem and rootse0
- Treatment
- 300 mg/l cadmium without application of ascorbic acide0
- Outcome
- cadmium contente0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Jatropha curcas”
e0“the highest significant amount of cadmium content in leaves, stem and roots was obtained from the treatment 300 mg/l cadmium without application of ascorbic acid.”
The same questions in other papers
ascorbic acid · growth · Jatropha curcasResults agree
2 papers in the same direction as this paper
- positive
- positive
application · physiology: pigments · Jatropha curcasResults agree
2 papers in the same direction as this paper
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.