Abstract
[Objective] This study was to use reverse genic male sterile FHS better in field production. [Method] Low energy nitrogen ion beam was taken as a mutation source to conduct mutagenic treatment for indica rice 99-02 and the mutant FHS with special fertility that was isolated from their offspring. Some characteristics such as flowering habit and stigma exsertion rate of FHS were observed in this experiment. [Result] The reverse genic sterile rice FHS had an obvious peak flowering stage from 10:00 to 10:30, while the second peak flowering was from August 5 to August 10. Compared with PA64S, FHS flowered early and its flowering time was concentrated, showing that it is for seed propagation. The stigma exsertion rate of FHS was 85.8% and low exsertion rate was good for the purity of seed. [Conclusion] The reverse genic sterile rice FHS had good value in use, besides, it could also be used as comparison material for studying fertility alternation mechanism of photoperiod sensitive genic male sterile rice.
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Claims 6
Claim · model-written summary
Reverse genic sterile rice FHS had an obvious peak flowering stage from 10:00 to 10:30.
- Taxon
- rice
Oryza sativat0 - Material
- FHSt0
- Outcome
- peak flowering stagee0
- Value
- 10:00 to 10:30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e0“The reverse genic sterile rice FHS had an obvious peak flowering stage from 10:00 to 10:30”
Claim · model-written summary
Rice FHS had a second peak flowering from August 5 to August 10.
- Taxon
- riceOryza sativat0
- Material
- FHSt0
- Outcome
- second peak floweringe1
- Value
- August 5 to August 10e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e1“while the second peak flowering was from August 5 to August 10”
Claim · model-written summary
Compared with PA64S, FHS flowered early and with concentrated flowering time.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e2“Compared with PA64S, FHS flowered early and its flowering time was concentrated”
Claim · model-written summary
The stigma exsertion rate of FHS was 85.8%.
- Taxon
- riceOryza sativat0
- Material
- FHSt0
- Outcome
- stigma exsertion ratee3
- Value
- 85.8%e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e3“The stigma exsertion rate of FHS was 85.8%”
Claim · model-written summary
A low stigma exsertion rate is good for the purity of seed.
- Taxon
- riceOryza sativat0
- Outcome
- purity of seede4
- Qualifier
- low exsertion ratee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e4“low exsertion rate was good for the purity of seed”
Claim · model-written summary
FHS has good value in use and can serve as comparison material for studying fertility alternation mechanisms.
- Taxon
- riceOryza sativat0
- Outcome
- value in usee5
- Qualifier
- comparison material for studying fertility alternation mechanisme6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Reverse Genic Sterile Rice FHS”
e5“The reverse genic sterile rice FHS had good value in use”
e6“it could also be used as comparison material for studying fertility alternation mechanism”