Abstract
We examined the effect of pretreatment on the frequency of flower-color mutants induced by ion beams. We found that petunia seedlings treated with 3% sucrose from 8 days after sowing accumulated significant amount of pigments within 4 days compared to non-treated control seedlings. The petunia seedlings treated with sucrose were exposed to 320-MeV carbon ions. The sucrose treatment did not affect the survival rate and seed fertility of the M1 plants. In the M2 lines obtained by self-pollination of individual M1 plants, chlorophyll mutants were obtained in both treated and non-treated groups with a similar frequency. Flower-color mutants that included magenta, purple, light pink and white were obtained from the original violet color. The frequency of flower-color mutants was significantly higher in the sucrose-treated group than in the non-treated group. These results suggest that sucrose pretreatment specifically increases the frequency of flower-color mutation following ion beam irradiation.
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Claims 5
Claim · model-written summary
Petunia seedlings treated with 3% sucrose accumulated a significant amount of pigments within 4 days compared with non-treated control seedlings.
- Treatment
- 3% sucrose from 8 days after sowinge0
- Outcome
- amount of pigmentse0
- Direction
- accumulatede0
- Qualifier
- within 4 dayse0
- Comparator
- non-treated control seedlingse0
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=60){kind=small}
PetuniaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=500)
Verbatim
e0“petunia seedlings treated with 3% sucrose from 8 days after sowing accumulated significant amount of pigments within 4 days compared to non-treated control seedlings”
Claim · model-written summary
Sucrose-treated petunia seedlings had a significantly higher frequency of flower-color mutants than non-treated seedlings after ion beam irradiation.
- Treatment
- sucrose-treated groupe1
- Outcome
- frequency of flower-color mutantse1
- Direction
- highere1
- Comparator
- non-treated groupe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“petunia seedlings treated with high sucrose concentration”
e1“The frequency of flower-color mutants was significantly higher in the sucrose-treated group than in the non-treated group”
Claim · model-written summary
Sucrose treatment did not affect the survival rate or seed fertility of the M1 petunia plants.
- Material
- M1 plantse2
- Treatment
- sucrose treatmente2
- Outcome
- survival rate and seed fertilitye2
- Direction
- did not affecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“petunia seedlings treated with high sucrose concentration”
e2“The sucrose treatment did not affect the survival rate and seed fertility of the M1 plants”
Claim · model-written summary
Chlorophyll mutants arose in sucrose-treated and non-treated petunia groups at a similar frequency.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“petunia seedlings treated with high sucrose concentration”
e0“petunia seedlings treated with 3% sucrose from 8 days after sowing”
e3“chlorophyll mutants were obtained in both treated and non-treated groups with a similar frequency”
Claim · model-written summary
Flower-color mutants of petunia included magenta, purple, light pink and white, derived from the original violet color.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“petunia seedlings treated with high sucrose concentration”
e4“Flower-color mutants that included magenta, purple, light pink and white were obtained from the original violet color”