Abstract
Abstract In order to study the effects on salinity and silicon application on yield and yield components of purslane (Portulaca oleracea L.), an experiment was conducted in a completely randomized desgin with three replications and two factors consisted of four different levels of salinity using NaCl (0, 7, 14, 21dS/m) and two levels of silicon (application of one mMol sodium silicate and not application). Increasing salinity concentration significantly caused a negative effect on seed yield. But yield components such as number and weight of seed were more sensitive than number of capsul in main stem in final seed yield. Application of silicon increased seed yield in control but was not significant in salinity levels and leaves and stem biomass. Seed yield and total seed weight in branches was significantly decresed. Weight of 1000 seed in main stem and branches was not significantly different in salinity levels. As a result, purslane could be extremely tolerated to saline conditions, so it seems that it can be cultivated in saline soils and arid regions. Also applied silicon can be increase yield and plant tolerance to environmental stress. Keywords: 1000 seed, Branches, Capsul, Dry weight
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Claims 15
Claim · model-written summary
Increasing salinity significantly reduced seed yield.
- Taxon
- purslane (Portulaca oleracea L.)
Portulaca oleraceae1 - Treatment
- Increasing salinity concentratione0
- Outcome
- seed yielde0
- Direction
- negative effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing salinity concentration significantly caused a negative effect on seed yield.”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Seed number was more sensitive than capsule number in the main stem for final seed yield.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Outcome
- numbere0
- Direction
- more sensitivee0
- Comparator
- number of capsul in main steme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number and weight of seed were more sensitive than number of capsul in main stem in final seed yield”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Seed weight was more sensitive than capsule number in the main stem for final seed yield.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Outcome
- weight of seede0
- Direction
- more sensitivee0
- Comparator
- number of capsul in main steme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number and weight of seed were more sensitive than number of capsul in main stem in final seed yield”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Silicon increased seed yield in control conditions.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- Application of silicone0
- Outcome
- seed yielde0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of silicon increased seed yield in control”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
The silicon effect on seed yield at salinity levels was not significant.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- Application of silicone0
- Outcome
- seed yielde0
- Qualifier
- in salinity levelse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of silicon increased seed yield in control but was not significant in salinity levels”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
The silicon effect on leaf biomass was not significant.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae2
- Treatment
- Application of silicone1
- Outcome
- leavese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“was not significant in salinity levels and leaves and stem biomass”
e1“Application of silicon”
e2“purslane (Portulaca oleracea L.)”
Claim · model-written summary
The silicon effect on stem biomass was not significant.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae2
- Treatment
- Application of silicone1
- Outcome
- stem biomasse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“was not significant in salinity levels and leaves and stem biomass”
e1“Application of silicon”
e2“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Seed yield in branches significantly decreased.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Outcome
- Seed yielde0
- Direction
- decresede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed yield and total seed weight in branches was significantly decresed.”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Total seed weight in branches significantly decreased.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Outcome
- total seed weight in branchese0
- Direction
- decresede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed yield and total seed weight in branches was significantly decresed.”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Thousand seed weight on the main stem did not differ significantly across salinity levels.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- salinity levelse0
- Outcome
- Weight of 1000 seed in main steme0
- Direction
- not significantly differente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weight of 1000 seed in main stem and branches was not significantly different in salinity levels.”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
Thousand seed weight in branches did not differ significantly across salinity levels.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- salinity levelse0
- Outcome
- Weight of 1000 seed in main stem and branchese0
- Direction
- not significantly differente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weight of 1000 seed in main stem and branches was not significantly different in salinity levels.”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
The authors consider purslane highly tolerant of saline conditions.
Not reportedDirection
Verbatim
e0“purslane could be extremely tolerated to saline conditions”
Claim · model-written summary
The authors suggest cultivating purslane in saline soils and arid regions.
Not reportedDirection
Verbatim
e0“it can be cultivated in saline soils and arid regions”
e1“purslane could be extremely tolerated”
Claim · model-written summary
The authors suggest silicon application could increase yield.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- applied silicone0
- Outcome
- increase yielde0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applied silicon can be increase yield”
e1“purslane (Portulaca oleracea L.)”
Claim · model-written summary
The authors suggest silicon application could increase plant tolerance to environmental stress.
- Taxon
- purslane (Portulaca oleracea L.)Portulaca oleraceae1
- Treatment
- applied silicone0
- Outcome
- plant tolerance to environmental stresse0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applied silicon can be increase yield and plant tolerance to environmental stress”
e1“purslane (Portulaca oleracea L.)”
The same questions in other papers
salinity · yield · Portulaca oleraceaPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
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.