Abstract
Sodium methyl arsenate has been evaluated as a male sterilizing agent for the system of producing hybrid rice seeds. The compound was the most effective at the concentration of 0.02％. When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility. But the most effective time for application of the compound was 5 days before heading because of its phytotoxic effects. Effective application volume of the compound solution has depended on the growth of the plants treated. Varietal difference on the activity of the compound has been detected.
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Claims 5
Claim · model-written summary
Sodium methyl arsenate was the most effective at a concentration of 0.02％ in rice.
- Taxon
- rice
Oryza sativae2 - Treatment
- Sodium methyl arsenatee0
- Outcome
- most effectivee1
- Direction
- most effectivee1
- Qualifier
- at the concentration of 0.02％e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium methyl arsenate has been evaluated as a male sterilizing agent”
e1“The compound was the most effective at the concentration of 0.02％”
e2“When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility”
Claim · model-written summary
Foliar spray of sodium methyl arsenate at 15 days before heading produced 99％ male sterility in four rice varieties.
- Taxon
- riceOryza sativae2
- Material
- four rice varietiese2
- Treatment
- sodium methyl arsenatee2
- Outcome
- male sterilitye2
- Direction
- increaseinferrede2
- Value
- 99％e2
- Qualifier
- applied as a foliar spray to four rice varieties at 15 days before headinge2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility”
Claim · model-written summary
Five days before heading was the most effective time for applying sodium methyl arsenate in rice, owing to its phytotoxic effects.
- Taxon
- riceOryza sativae2
- Treatment
- 5 days before headinge3
- Outcome
- most effective time for applicatione3
- Direction
- most effectivee3
- Qualifier
- because of its phytotoxic effectse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility”
e3“But the most effective time for application of the compound was 5 days before heading because of its phytotoxic effects”
Claim · model-written summary
Effective application volume of the compound solution depended on the growth of the rice plants treated.
- Taxon
- riceOryza sativae2
- Treatment
- compound solutione4
- Outcome
- Effective application volumee4
- Qualifier
- depended on the growth of the plants treatede4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility”
e4“Effective application volume of the compound solution has depended on the growth of the plants treated”
Claim · model-written summary
Varietal differences in the activity of the compound in rice were detected.
- Taxon
- riceOryza sativae2
- Outcome
- activity of the compounde5
- Qualifier
- Varietal differencee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“When applied as a foliar spray to four rice varieties at 15 days before heading, sodium methyl arsenate has produced 99％ male sterility”
e5“Varietal difference on the activity of the compound has been detected”
The same questions in other papers
arsenate ion · nutrient: content · Oryza sativa (rice)Positive and negative results
2 in the opposite direction
- negative
- negative
methyl · nutrient: content · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
- positive
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.