Abstract
The beneficial impact of Silicon (Si) in mitigating diverse abiotic stresses, such as drought stress, has been extensively recorded across various crops. A pot experiment was conducted at the Asian Institute of Technology, Thailand, to evaluate the performance of a popular Thai rice variety (RD57) commonly cultivated in Thailand's central plains under three soil moisture levels as affected by five Si application timings. Si was added to the soil at 300 kg Si ha–1. Reduced water supply (75% field capacity [FC] and 50% FC) caused lengthening of the growth period with reduced yield and its components. Si application resulted in an enhanced root and shoot growth irrespective of application timings, compared with the control. However, Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stage was found to be the most effective. Even under severe water stress, more root growth and panicle numbers were found during this application timing. Si absorption was also found more for all application timings than the control; however, the same application timing resulted in the highest absorption (8.62%). A strong positive correlation was observed between Si uptake and grain and straw yield under all moisture-deficient conditions. Si application can be recommended in split doses for rice cultivation under a limited water supply.
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Claims 11
Claim · model-written summary
Reduced water supply lengthened the rice growth period.
- Taxon
- Rice
Oryza sativat0 - Treatment
- Reduced water supply (75% field capacity [FC] and 50% FC)e0
- Outcome
- growth periode0
- Direction
- lengtheninge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Reduced water supply (75% field capacity [FC] and 50% FC) caused lengthening of the growth period with reduced yield and its components.”
Claim · model-written summary
Reduced water supply decreased rice yield and its components.
- Taxon
- RiceOryza sativat0
- Treatment
- Reduced water supply (75% field capacity [FC] and 50% FC)e0
- Outcome
- yield and its componentse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Reduced water supply (75% field capacity [FC] and 50% FC) caused lengthening of the growth period with reduced yield and its components.”
Claim · model-written summary
Silicon enhanced rice root and shoot growth across application timings relative to the control.
- Taxon
- RiceOryza sativat0
- Treatment
- Si applicatione0
- Outcome
- root and shoot growthe0
- Direction
- enhancede0
- Qualifier
- irrespective of application timingse0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Si application resulted in an enhanced root and shoot growth irrespective of application timings, compared with the control.”
Claim · model-written summary
Split silicon application at basal, panicle initiation and heading stages was the most effective timing.
- Taxon
- RiceOryza sativat0
- Treatment
- Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stagee0
- Outcome
- most effectivee0
- Direction
- most effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stage was found to be the most effective.”
Claim · model-written summary
Under severe water stress, this split silicon timing produced more root growth.
- Taxon
- RiceOryza sativat0
- Treatment
- Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stagee1
- Outcome
- root growthe0
- Direction
- moree0
- Qualifier
- severe water stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Even under severe water stress, more root growth and panicle numbers were found during this application timing.”
e1“Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stage was found to be the most effective.”
Claim · model-written summary
Under severe water stress, this split silicon timing produced more panicles.
- Taxon
- RiceOryza sativat0
- Treatment
- Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stagee1
- Outcome
- panicle numberse0
- Direction
- moree0
- Qualifier
- severe water stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Even under severe water stress, more root growth and panicle numbers were found during this application timing.”
e1“Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stage was found to be the most effective.”
Claim · model-written summary
Every silicon application timing increased silicon absorption relative to the control.
- Taxon
- RiceOryza sativat0
- Treatment
- all application timingse0
- Outcome
- Si absorptione0
- Direction
- moree0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“Si absorption was also found more for all application timings than the control; however, the same application timing resulted in the highest absorption (8.62%).”
Claim · model-written summary
The split silicon timing gave the highest silicon absorption, 8.62%.
- Taxon
- RiceOryza sativat0
- Treatment
- Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stagee1
- Outcome
- absorptione0
- Direction
- higheste0
- Value
- 8.62%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“the same application timing resulted in the highest absorption (8.62%).”
e1“Si application with split doses of 25% at basal, 50% at panicle initiation (PI), and 25% at the heading stage was found to be the most effective.”
Claim · model-written summary
Silicon uptake was positively correlated with grain and straw yield under moisture deficient conditions.
- Taxon
- RiceOryza sativat0
- Compound
- Sie0
- Outcome
- grain and straw yielde0
- Direction
- positivee0
- Qualifier
- under all moisture-deficient conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“A strong positive correlation was observed between Si uptake and grain and straw yield under all moisture-deficient conditions.”
Claim · model-written summary
Silicon uptake was positively correlated with straw yield under moisture deficient conditions.
- Taxon
- RiceOryza sativat0
- Compound
- Sie0
- Outcome
- straw yielde0
- Direction
- positivee0
- Qualifier
- under all moisture-deficient conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice”
e0“A strong positive correlation was observed between Si uptake and grain and straw yield under all moisture-deficient conditions.”
Claim · model-written summary
The authors recommend split silicon doses for rice grown with limited water.
- Taxon
- riceOryza sativae0
- Outcome
- Si application can be recommended in split dosese0
- Qualifier
- under a limited water supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si application can be recommended in split doses for rice cultivation under a limited water supply.”
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