Abstract
Genetic traits of rapeseed lines(B.napus L.),which experienced the space flight of 'Shenzhou 4' and 'Round-trip artificial satellite No.18',were investigated in this study.The results showed that 12 lines which experienced the space flight had no obvious effect in germination percentage,seedling survival rate,seed setting rate and other plant characters.However,some mutated plants appeared in the second generation of the traveling rapeseed seeds.The mutants included long-silique plant,more-pod plant,early-flowering plant,dwarf plant,high-seed-weight plant,poly-stem plant,short main stem plant,and etc.Other mutated plant groups whose quality characters such as the contents of erucic acid,glucosinolate,oil and protein change were also obtained in this study.The useful mutants would be selected.
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Claims 3
Claim · model-written summary
Twelve space-flown rapeseed lines showed no obvious change in germination, survival, seed setting and other characters.
- Taxon
- rapeseedt0
- Treatment
- space flighte0
- Outcome
- germination percentage,seedling survival rate,seed setting ratee0
- Direction
- no obvious effecte0
- Value
- 12 linese0
Not reportedComparator
Verbatim
e0“12 lines which experienced the space flight had no obvious effect in germination percentage,seedling survival rate,seed setting rate and other plant characters.”
t0“rapeseed lines”
Claim · model-written summary
Second-generation plants from space-flown seeds included altered silique, pod, flowering, stature, seed weight and stem phenotypes.
Verbatim
e0“some mutated plants appeared in the second generation of the traveling rapeseed seeds.The mutants included long-silique plant,more-pod plant,early-flowering plant,dwarf plant,high-seed-weight plant,poly-stem plant,short main stem plant”
t0“rapeseed lines”
Claim · model-written summary
Additional mutant groups had changes in erucic acid, glucosinolate, oil and protein contents.
Verbatim
e0“Other mutated plant groups whose quality characters such as the contents of erucic acid,glucosinolate,oil and protein change were also obtained”
t0“rapeseed lines”