Abstract
In order to investigate the effect of silicon application on some physiological characteristics, yield and yield components, and grain mineral contents of bread wheat (Triticum aestivum) under water stress condition, an experiment was conducted in Ramin Agriculture and Natural Resources University, Khuzestan, in 2012. The experiment was arranged in split-plots design in RCBD (Completely Randomized Blocks Design) with three replications. Treatments consisted of drought stress (irrigation after 25, 50 and 75% depletion of Available Water Content) in main plots and silicon (0, 10, 20 and 30 Kg Si ha-1) arranged in sub-plots. Results showed that the effect of drought stress was significant on most traits and led to the increase of electrolyte leakage (EL), cuticular wax, leaf and grain silicon content and grain nitrogen content. But drought led to negative impacts on grain yield and its components, and leaf potassium content, i.e. moderate and severe stresses reduced yield by 17% and 38% compared to control, respectively. Effect of silicon application was significant on all traits except for spike per square meter. Silicon had the greatest impact on EL and led to 35% decrease in this trait. Also, silicon led to increase in leaf and grain silicon contents and grain K content and grain yield and yield components, when applied at 30 kg ha-1. Generally, application of 30 kg ha-1 of silicon led to 6 and 14% increases of grain yield at the presence of moderate and severe drought stresses, respectively. Thus, given the abundance of silicon it can be used as an ameliorating element for planting bread wheat in drought-prone conditions.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 8
Claim · model-written summary
Drought increased electrolyte leakage, wax and silicon and nitrogen contents.
- Taxon
- Bread Wheat
Triticum aestivumt0 - Treatment
- drought stresse0
- Outcome
- electrolyte leakage (EL), cuticular wax, leaf and grain silicon content and grain nitrogen contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“drought stress was significant on most traits and led to the increase of electrolyte leakage (EL), cuticular wax, leaf and grain silicon content and grain nitrogen content”
Claim · model-written summary
Drought reduced grain yield and its components and leaf potassium.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- droughte0
- Outcome
- grain yield and its components, and leaf potassium contente0
- Direction
- negative impactse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“drought led to negative impacts on grain yield and its components, and leaf potassium content”
Claim · model-written summary
Moderate drought reduced grain yield by 17% relative to control.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- moderatee0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 17%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“moderate and severe stresses reduced yield by 17% and 38% compared to control”
Claim · model-written summary
Severe drought reduced grain yield by 38% relative to control.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- severee0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 38%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“moderate and severe stresses reduced yield by 17% and 38% compared to control”
Claim · model-written summary
Silicon decreased electrolyte leakage by 35%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“Silicon had the greatest impact on EL and led to 35% decrease in this trait.”
Claim · model-written summary
At 30 kg ha-1 silicon increased leaf and grain silicon, grain potassium, yield and yield components.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 30 kg ha-1e0
- Outcome
- leaf and grain silicon contents and grain K content and grain yield and yield componentse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“silicon led to increase in leaf and grain silicon contents and grain K content and grain yield and yield components, when applied at 30 kg ha-1.”
Claim · model-written summary
Silicon increased grain yield by 6% under moderate drought.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 30 kg ha-1 of silicone0
- Outcome
- grain yielde0
- Direction
- increasese0
- Value
- 6e0
- Qualifier
- moderatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“application of 30 kg ha-1 of silicon led to 6 and 14% increases of grain yield at the presence of moderate and severe drought stresses, respectively.”
Claim · model-written summary
Silicon increased grain yield by 14% under severe drought.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 30 kg ha-1 of silicone0
- Outcome
- grain yielde0
- Direction
- increasese0
- Value
- 14%e0
- Qualifier
- severee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“application of 30 kg ha-1 of silicon led to 6 and 14% increases of grain yield at the presence of moderate and severe drought stresses, respectively.”
The same questions in other papers
silicon atom · physiology: oxidative · Triticum aestivum (wheat)Results differ
39 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
37 papers more in this group
See all 41 papers →silicon atom · yield · Triticum aestivum (wheat)Results differ
84 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- no effect
- no effect
86 papers more in this group
See all 90 papers →drought · yield · Triticum aestivum (wheat)Positive and negative results
536 papers in the same direction as this paper · 95 in the opposite direction
- positive
- positive
- positive
628 papers more in this group
See all 632 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.