Abstract
Previously, silica and potassium were shown to accumulated in the hulls of fertile grains than those of sterile ones. Based on these findings, effects of supplying of silica and potassium during reproductive growth stage on the form and function of hulls were further studied. And the effects of top dressing of new fertilizer "potassium silica" were also investigated. 1. Silica. (a) No significant difference in the number of spikelets on the primary branches of panicle was detected between no-supplying and supplying plot, whereas the number of spikelets on the secondary branches was increased by the supplying of silica. (b) Ripening percentage and weight of 1000 kernels increased significantly by supplying of silica. This might be due to the increase in the size of hulls and the decrease in the occurrence of malformed grains. (c) The silica content in hulls increased greatly by the supplying of silica. 2. Potassium. Supplying of potassium during reproductive growth stage gave mostly the same effect as those of silica, however the difference in potassium content was very small between no-supplying and supplying plot. 3. New fertilizer "potassium silica" The top dressing of potassium silica, a new fertilizer, at initial stage of spikelets differentiation enhanced the ripening percentages and weight of 1000 kernels due to the decrease in the occurrence of malformed grains. As shown above, silica and potassium affect the form and function of hulls and were very useful and important to increase ripening.
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Claims 10
Claim · model-written summary
Silica supply did not significantly change primary-branch spikelet count.
- Taxon
- Rice Plant
Oryza sativat0 - Treatment
- supplying plote0
- Outcome
- number of spikelets on the primary branches of paniclee0
- Direction
- No significant differencee0
- Comparator
- no-supplyinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant difference in the number of spikelets on the primary branches of panicle was detected between no-supplying and supplying plot”
t0“Rice Plant”
Claim · model-written summary
Silica increased secondary-branch spikelet count.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- supplying of silicae0
- Outcome
- number of spikelets on the secondary branchese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of spikelets on the secondary branches was increased by the supplying of silica”
t0“Rice Plant”
Claim · model-written summary
Silica significantly increased ripening percentage.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- supplying of silicae0
- Outcome
- Ripening percentagee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ripening percentage and weight of 1000 kernels increased significantly by supplying of silica.”
t0“Rice Plant”
Claim · model-written summary
Silica significantly increased 1000-kernel weight.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- supplying of silicae0
- Outcome
- weight of 1000 kernelse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ripening percentage and weight of 1000 kernels increased significantly by supplying of silica.”
t0“Rice Plant”
Claim · model-written summary
Silica increased hull size and decreased malformed grains.
- Taxon
- Rice PlantOryza sativat0
- Outcome
- size of hullse0
- Direction
- increasee0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This might be due to the increase in the size of hulls and the decrease in the occurrence of malformed grains.”
t0“Rice Plant”
Claim · model-written summary
Silica supply greatly increased silica content in hulls.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- supplying of silicae0
- Outcome
- silica content in hullse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The silica content in hulls increased greatly by the supplying of silica.”
t0“Rice Plant”
Claim · model-written summary
Potassium supply produced mostly the same effects as silica supply.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- Supplying of potassiume0
- Outcome
- same effecte0
- Comparator
- silicae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Supplying of potassium during reproductive growth stage gave mostly the same effect as those of silica”
t0“Rice Plant”
Claim · model-written summary
Potassium content differed very little between supplied and unsupplied plots.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- supplying plote0
- Outcome
- potassium contente0
- Comparator
- no-supplyinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“difference in potassium content was very small between no-supplying and supplying plot.”
t0“Rice Plant”
Claim · model-written summary
Potassium silica top dressing enhanced ripening percentage.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- top dressing of potassium silicae0
- Outcome
- ripening percentagese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The top dressing of potassium silica, a new fertilizer, at initial stage of spikelets differentiation enhanced the ripening percentages and weight of 1000 kernels”
t0“Rice Plant”
Claim · model-written summary
Potassium silica top dressing enhanced 1000-kernel weight.
- Taxon
- Rice PlantOryza sativat0
- Treatment
- top dressing of potassium silicae0
- Outcome
- weight of 1000 kernelse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The top dressing of potassium silica, a new fertilizer, at initial stage of spikelets differentiation enhanced the ripening percentages and weight of 1000 kernels”
t0“Rice Plant”
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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.