Abstract
The indirect influence of irradiation on the production of anthocyanins in the blossoms of red balsam (Impatiens balsamina L.) was investigated. After 18 hrs. of swelling, seeds were irradiated with 4560 r and then changes in the anthocyanin content of blossoms were examined. In X0 three out of four lines tested displayed a marked increase in anthocyanin content by 18%, 18% and 29%. In X1 the quantitative content of anthocyanins either equalled that of the controls or was lower, in X2 a significant decrease in anthocyanin content in all the lines was observed. We are apparently dealing here with a physiological effect of the type of “prolonged modifications”. In X1 several plants with pink flowers appeared (3.4%). It is assumed that this is not due to a segregation caused by heterozygous material (the controls did not show this effect) but rather to a recessive mutation brought about by irradiation, which became apparent only in X1.
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Claims 5
Claim · model-written summary
Three of four X0 lines increased blossom anthocyanin by 18%, 18% and 29%.
- Taxon
- Impatiens balsamina L.
Impatiens balsaminat0 - Treatment
- irradiated with 4560 re1
- Outcome
- anthocyanin contente0
- Direction
- increasee0
- Value
- 18%, 18% and 29%e0
- Qualifier
- X0e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In X0 three out of four lines tested displayed a marked increase in anthocyanin content by 18%, 18% and 29%.”
e1“seeds were irradiated with 4560 r”
t0“Impatiens balsamina L.”
Claim · model-written summary
In X1 anthocyanin content equalled controls or was lower.
- Taxon
- Impatiens balsamina L.Impatiens balsaminat0
- Outcome
- quantitative content of anthocyaninse0
- Direction
- equalled that of the controls or was lowere0
- Qualifier
- X1e0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In X1 the quantitative content of anthocyanins either equalled that of the controls or was lower”
t0“Impatiens balsamina L.”
Claim · model-written summary
All X2 lines showed a significant anthocyanin decrease.
- Taxon
- Impatiens balsamina L.Impatiens balsaminat0
- Outcome
- anthocyanin contente0
- Direction
- decreasee0
- Qualifier
- X2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in X2 a significant decrease in anthocyanin content in all the lines was observed.”
t0“Impatiens balsamina L.”
Claim · model-written summary
Pink flowers appeared in 3.4% of X1 plants.
- Taxon
- Impatiens balsamina L.Impatiens balsaminat0
- Outcome
- plants with pink flowers appearede0
- Value
- 3.4%e0
- Qualifier
- X1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In X1 several plants with pink flowers appeared (3.4%).”
t0“Impatiens balsamina L.”
Claim · model-written summary
Authors assumed the X1 pink flowers arose from a recessive mutation induced by irradiation.
- Taxon
- Impatiens balsamina L.Impatiens balsaminat0
- Treatment
- irradiatione0
- Outcome
- recessive mutatione0
- Qualifier
- apparent only in X1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a recessive mutation brought about by irradiation, which became apparent only in X1.”
t0“Impatiens balsamina L.”
The same questions in other papers
radiation · quality: phytochemicals · Impatiens balsamina (garden balsam)Results differ
2 in the opposite direction
- no effect
- 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.