Abstract
The forthcoming of silicon (Si) highly soluble sources provided a suitable alternative to Si use in agroecosystems. There are many benefits associated to Si application in crops, such as improvement in feed quality. In this sense, the aim of this work was to evaluate the effect of Si foliar application on physiological quality, biomass production, and silicon accumulation in Sorghum bicolor. The experiment was conducted under greenhouse condition using an entirely randomized design, with five Si rates (0 as control), 0.84, 1.68, 2.52, and 3.36g L -1 of Si) applied as potassium and sodium silicate, with four repetitions. In each treatment, applied solutions were balanced in potassium in order to isolate the Si effect. The following measurements were taken: growth, biomass production, Si accumulation, and physiological quality. Supplying Si via leaves did not affect the sorghum growth rate and the relative chlorophyll index; however, leaf area increased 23% with the use of 2.36 g L -1 of Si. Physiological variables are influenced by increasing Si rates, with rates close to 1.68 g L -1 of Si causing the best photosynthetic rates and stomatal conductance. The use of potassium silicate as a source of silicon is an alternative for productivity increases up to 30%, but an economic study on the viability of its commercial application in the production chain of Sorghum bicolor is necessary.
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Claims 4
Claim · model-written summary
Foliar silicon did not affect sorghum growth rate or relative chlorophyll index.
- Taxon
- Sorghum bicolor
Sorghum bicolort0 - Treatment
- Supplying Si via leavese0
- Outcome
- sorghum growth rate and the relative chlorophyll indexe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Supplying Si via leaves did not affect the sorghum growth rate and the relative chlorophyll index”
t0“Sorghum bicolor”
Claim · model-written summary
Leaf area increased 23% at the stated silicon rate.
- Taxon
- Sorghum bicolorSorghum bicolort0
- Treatment
- 2.36 g L -1 of Sie0
- Outcome
- leaf areae0
- Direction
- increasede0
- Value
- 23%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area increased 23% with the use of 2.36 g L -1 of Si”
t0“Sorghum bicolor”
Claim · model-written summary
Silicon near 1.68 g L -1 gave the best photosynthetic rates and stomatal conductance.
- Taxon
- Sorghum bicolorSorghum bicolort0
- Treatment
- rates close to 1.68 g L -1 of Sie0
- Outcome
- photosynthetic rates and stomatal conductancee0
- Direction
- beste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rates close to 1.68 g L -1 of Si causing the best photosynthetic rates and stomatal conductance”
t0“Sorghum bicolor”
Claim · model-written summary
Potassium silicate was associated with productivity increases up to 30%.
- Taxon
- Sorghum bicolorSorghum bicolort0
- Treatment
- potassium silicatee0
- Outcome
- productivitye0
- Direction
- increasese0
- Value
- up to 30%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of potassium silicate as a source of silicon is an alternative for productivity increases up to 30%”
t0“Sorghum bicolor”
The same questions in other papers
silicon atom · growth · Sorghum bicolor (sorghum)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →silicon atom · physiology: photosynthesis · Sorghum bicolor (sorghum)Results agree
1 paper in the same direction as this paper
- positive
potassium · yield · Sorghum bicolor (sorghum)Positive and negative results
6 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- no effect
- no effect
8 papers more in this group
See all 12 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.