Abstract
[Objective] The response of alfalfa seed germination to the exogenous hormone was researched in the experiment.[Method] The filter papers as germination bed were soaked with 0.1,1.0,1.5 and 2.0 μmol/L 6-benzylaminopurine(6-BA),gibberellic acid(GA3),abscisic acid(ABA),NAA,ethephon,indole acetic acid(IAA) and indole butyric acid(IBA),respectively,and then each 50 alfalfa seeds were put on each paper for their germination testing and the paper soaked with the distilled water was used as the control.The germination rate,germination energy,germination index and germination days were analyzed and compared.[Results] The exogenous hormone: 6-BA,GA3,IBA and ethephon,could promote the germination of alfalfa seeds while they were above a certain concentration.The efficiency of 6-BA,GA3 and ethephon on seed germination was stronger than that of IBA.NAA and IAA had the inhibition role in alfalfa seed germination at low concentration but the inhibition could be removed with the increment of the concentration of the NAA and IAA.The ABA inhibited the alfalfa seed germination and the order of inhibition was ABA IAA NAA.[Conclusion] The reference data was provided which could be beneficial to clarifying the relationship between the mechanism of alfalfa seed dormancy/germination and the regulation of the hormone.
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Claims 4
Claim · model-written summary
6-BA, GA3, IBA and ethephon promoted alfalfa seed germination above certain concentrations.
- Taxon
- alfalfa
Medicago sativae1 - Treatment
- 6-BA,GA3,IBA and ethephone1
- Outcome
- germinatione1
- Direction
- promotee1
- Qualifier
- above a certain concentratione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The exogenous hormone: 6-BA,GA3,IBA and ethephon,could promote the germination of alfalfa seeds while they were above a certain concentration.”
Claim · model-written summary
6-BA, GA3 and ethephon were stronger promoters of seed germination than IBA.
- Taxon
- AlfalfaMedicago sativat0
- Outcome
- seed germinatione1
- Direction
- strongere1
- Comparator
- IBAe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The efficiency of 6-BA,GA3 and ethephon on seed germination was stronger than that of IBA.”
t0“Alfalfa Seed”
Claim · model-written summary
NAA and IAA inhibited alfalfa seed germination at low concentration, but this inhibition disappeared as concentration increased.
- Taxon
- alfalfaMedicago sativae1
- Treatment
- NAA and IAAe1
- Outcome
- seed germinatione1
- Direction
- inhibitione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“NAA and IAA had the inhibition role in alfalfa seed germination at low concentration but the inhibition could be removed with the increment of the concentration of the NAA and IAA.”
Claim · model-written summary
ABA inhibited alfalfa seed germination.
- Taxon
- alfalfaMedicago sativae1
- Treatment
- ABAe1
- Outcome
- seed germinatione1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The ABA inhibited the alfalfa seed germination and the order of inhibition was ABA IAA NAA.”
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