Abstract
Hormones have substantial effect on tiller bud growth of rice. However, little is known on the relation between endogenous hormonal changes and the growth of rice tiller bud induced by exogenous hormones. In present study, two rice cultivars (Yangdao 6 and Nanjing 44) were used to investigate the effect of exogenous ABA, GA3, and NAA on tiller bud outgrowth and the changes of endogenous hormones. The results showed that exogenous GA3 and NAA completely inhibited the tiller bud growth, while applied ABA did not, but ABA slowed the growth rate of it. Both exogenous GA3 and NAA increased the ABA contents and decreased the Z+ZR contents in tiller node and tiller bud, and exogenous GA3 increased the IAA content in tiller node, and IAA and Z+ZR changed earlier than ABA. In conclusion, IAA and Z+ZR may play key roles in regulating the growth of rice tiller bud, while ABA may not, although ABA can affect the growth velocity of tiller bud; the effect of exogenous hormones on rice tiller bud growth is through regulating the contents of ABA, IAA, and CTK in plants.
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Claims 13
Claim · model-written summary
Exogenous GA3 completely inhibited rice tiller bud growth.
- Taxon
- Rice
Oryza sativat0 - Treatment
- exogenous GA3e0
- Outcome
- tiller bud growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous GA3 and NAA completely inhibited the tiller bud growth”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous NAA completely inhibited rice tiller bud growth.
- Taxon
- RiceOryza sativat0
- Treatment
- NAAe0
- Outcome
- tiller bud growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous GA3 and NAA completely inhibited the tiller bud growth”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Applied ABA did not completely inhibit tiller bud growth.
- Taxon
- RiceOryza sativat0
- Treatment
- applied ABAe0
- Outcome
- tiller bud growthe1
- Direction
- did note0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applied ABA did not”
e1“exogenous GA3 and NAA completely inhibited the tiller bud growth”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
ABA slowed rice tiller bud growth rate.
- Taxon
- RiceOryza sativat0
- Treatment
- ABAe0
- Outcome
- growth ratee0
- Direction
- slowede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ABA slowed the growth rate of it”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous GA3 increased ABA content in rice tiller node and bud.
- Taxon
- RiceOryza sativat0
- Organ / stage
- tiller node and tiller bude0
- Treatment
- exogenous GA3e0
- Outcome
- ABA contentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both exogenous GA3 and NAA increased the ABA contents and decreased the Z+ZR contents in tiller node and tiller bud”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous NAA increased ABA content in rice tiller node and bud.
- Taxon
- RiceOryza sativat0
- Organ / stage
- tiller node and tiller bude0
- Treatment
- NAAe0
- Outcome
- ABA contentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both exogenous GA3 and NAA increased the ABA contents and decreased the Z+ZR contents in tiller node and tiller bud”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous GA3 decreased Z+ZR content in rice tiller node and bud.
- Taxon
- RiceOryza sativat0
- Organ / stage
- tiller node and tiller bude0
- Treatment
- exogenous GA3e0
- Outcome
- Z+ZR contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both exogenous GA3 and NAA increased the ABA contents and decreased the Z+ZR contents in tiller node and tiller bud”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous NAA decreased Z+ZR content in rice tiller node and bud.
- Taxon
- RiceOryza sativat0
- Organ / stage
- tiller node and tiller bude0
- Treatment
- NAAe0
- Outcome
- Z+ZR contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both exogenous GA3 and NAA increased the ABA contents and decreased the Z+ZR contents in tiller node and tiller bud”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
Exogenous GA3 increased IAA content in rice tiller node.
- Taxon
- RiceOryza sativat0
- Organ / stage
- tiller nodee0
- Treatment
- exogenous GA3e0
- Outcome
- IAA contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous GA3 increased the IAA content in tiller node”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
IAA and Z+ZR changed earlier than ABA.
- Taxon
- RiceOryza sativat0
- Outcome
- IAA and Z+ZR changed earlier than ABAe0
- Direction
- earliere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IAA and Z+ZR changed earlier than ABA”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
The authors infer that IAA and Z+ZR may regulate rice tiller bud growth.
- Taxon
- riceOryza sativae0
- Compound
- IAA and Z+ZRe0
- Outcome
- growth of rice tiller bude0
- Qualifier
- may play key rolese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IAA and Z+ZR may play key roles in regulating the growth of rice tiller bud”
Claim · model-written summary
The authors infer that ABA may not play a key role in rice tiller bud growth.
- Taxon
- RiceOryza sativat0
- Compound
- ABAe0
- Outcome
- growth of rice tiller bude1
- Qualifier
- may note0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while ABA may not, although ABA can affect the growth velocity of tiller bud”
e1“regulating the growth of rice tiller bud”
t0“Growth of Rice Tiller Bud”
Claim · model-written summary
The authors attribute exogenous hormone effects on rice bud growth to regulation of ABA, IAA and CTK contents.
- Taxon
- riceOryza sativae0
- Treatment
- exogenous hormonese0
- Outcome
- rice tiller bud growthe0
- Qualifier
- regulating the contents of ABA, IAA, and CTKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of exogenous hormones on rice tiller bud growth is through regulating the contents of ABA, IAA, and CTK in plants.”
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