Abstract
Abiotic stress, such as water deficit, is one of the most devastating factors hindering sustainable agricultural crop output today. Plants use their own defensive strategies to cope with the harmful effects of this stress. Silicon is generally considered as a significant element for the growth, development and biomass/ yield production of plants, especially for those grown under stressful environmental conditions. This study was conducted to assess the impact of Si on antioxidant and phytohormones of sugarcane during water deficit. Experiment arranged as a completely randomized block design (CRBD), was used to examine the effects of two irrigation levels (mild -75 and severe stress -30% of FC and six silicon concentrations consisting of 0, 194, 387, 581, 774 and 968mg Si kg -1 soil. Calcium metasilicate (CaO.SiO 2 ) was used as a source of silicon. CaO.SiO 2 addition also enhanced the activities of catalase, peroxidase, superoxide dismutase and phytohormones according to stress intensity and Si doses. The exogenous silicon plays a key role to tolerate water deficit in antioxidant enzymes base, thereby improving overall development and productivity. The results suggest that sugarcane cultivar GT42 is more tolerant to water deficit conditions because of more efficient antioxidant system.
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Claims 4
Claim · model-written summary
CaO.SiO2 addition enhanced the activities of catalase, peroxidase and superoxide dismutase in sugarcane according to stress intensity and silicon dose.
- Taxon
- sugarcanee0
- Treatment
- CaO.SiO 2 additione1
- Outcome
- activities of catalase, peroxidase, superoxide dismutasee1
- Direction
- enhancede1
- Qualifier
- according to stress intensity and Si dosese1
Not reportedComparator
Verbatim
e0“This study was conducted to assess the impact of Si on antioxidant and phytohormones of sugarcane during water deficit”
e1“CaO.SiO 2 addition also enhanced the activities of catalase, peroxidase, superoxide dismutase and phytohormones according to stress intensity and Si doses”
Claim · model-written summary
CaO.SiO2 addition enhanced the activities of phytohormones in sugarcane according to stress intensity and silicon dose.
- Taxon
- sugarcanee0
- Treatment
- CaO.SiO 2 additione1
- Outcome
- phytohormonese1
- Direction
- enhancede1
- Qualifier
- according to stress intensity and Si dosese1
Not reportedComparator
Verbatim
e0“This study was conducted to assess the impact of Si on antioxidant and phytohormones of sugarcane during water deficit”
e1“CaO.SiO 2 addition also enhanced the activities of catalase, peroxidase, superoxide dismutase and phytohormones according to stress intensity and Si doses”
Claim · model-written summary
Exogenous silicon improved overall development and productivity of sugarcane under water deficit.
- Taxon
- sugarcanee0
- Treatment
- exogenous silicone2
- Outcome
- overall development and productivitye2
- Direction
- improvinge2
Not reportedComparator
Verbatim
e0“This study was conducted to assess the impact of Si on antioxidant and phytohormones of sugarcane during water deficit”
e2“The exogenous silicon plays a key role to tolerate water deficit in antioxidant enzymes base, thereby improving overall development and productivity”
Claim · model-written summary
Sugarcane cultivar GT42 is more tolerant to water deficit because of a more efficient antioxidant system.
Verbatim
e3“The results suggest that sugarcane cultivar GT42 is more tolerant to water deficit conditions because of more efficient antioxidant system”
The same questions in other papers
silicon atom · yield · Saccharum officinarum (sugarcane)Results differ
18 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- no effect
- positive
17 papers more in this group
See all 21 papers →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.