Abstract
For the purpose of finding out the effect of heat treatment on biological response and mutation rate, rice seeds were heat treated before and after gamma irradiation. 1. At a dose of 20 KR, pre-irradiation heat treatment showed reduced biological damage and increased mutation rate as compared with non-heat treatment. 2. Mutation frequency was increased in post-treatment of heat shock than in pre-irradiation heat treatment and non-heat treatment. 3. Pre-irradiation heat treatment at 6 for 30 minutes markedly reduced the biological damage and increased the mutation rate. 4. Mutation spectrum in heat treatment was different from non-treatment.
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Claims 6
Claim · model-written summary
Pre-irradiation heat treatment reduced biological damage at 20 KR versus no heat.
- Taxon
- rice
Oryza sativae1 - Treatment
- pre-irradiation heat treatmente0
- Outcome
- biological damagee0
- Direction
- reducede0
- Qualifier
- 20 KRe0
- Comparator
- non-heat treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At a dose of 20 KR, pre-irradiation heat treatment showed reduced biological damage and increased mutation rate as compared with non-heat treatment”
e1“rice seeds”
Claim · model-written summary
Pre-irradiation heat treatment increased mutation rate at 20 KR versus no heat.
- Taxon
- riceOryza sativae1
- Treatment
- pre-irradiation heat treatmente0
- Outcome
- mutation ratee0
- Direction
- increasede0
- Qualifier
- 20 KRe0
- Comparator
- non-heat treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At a dose of 20 KR, pre-irradiation heat treatment showed reduced biological damage and increased mutation rate as compared with non-heat treatment”
e1“rice seeds”
Claim · model-written summary
Post-treatment heat shock increased mutation frequency relative to pre-irradiation heat treatment and no heat.
- Taxon
- riceOryza sativae1
- Treatment
- post-treatment of heat shocke0
- Outcome
- Mutation frequencye0
- Direction
- increasede0
- Comparator
- pre-irradiation heat treatment and non-heat treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mutation frequency was increased in post-treatment of heat shock than in pre-irradiation heat treatment and non-heat treatment”
e1“rice seeds”
Claim · model-written summary
Pre-irradiation heat treatment at 6 for 30 minutes reduced biological damage.
- Taxon
- riceOryza sativae1
- Treatment
- Pre-irradiation heat treatment at 6 for 30 minutese0
- Outcome
- biological damagee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pre-irradiation heat treatment at 6 for 30 minutes markedly reduced the biological damage and increased the mutation rate”
e1“rice seeds”
Claim · model-written summary
Pre-irradiation heat treatment at 6 for 30 minutes increased mutation rate.
- Taxon
- riceOryza sativae1
- Treatment
- Pre-irradiation heat treatment at 6 for 30 minutese0
- Outcome
- mutation ratee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pre-irradiation heat treatment at 6 for 30 minutes markedly reduced the biological damage and increased the mutation rate”
e1“rice seeds”
Claim · model-written summary
Heat treatment changed the mutation spectrum versus no treatment.
- Taxon
- riceOryza sativae1
- Treatment
- heat treatmente0
- Outcome
- Mutation spectrume0
- Direction
- differente0
- Comparator
- non-treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mutation spectrum in heat treatment was different from non-treatment”
e1“rice seeds”
The same questions in other papers
heat · pest · Oryza sativa (rice)Positive and negative results
3 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- negative
6 papers more in this group
See all 10 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.