Abstract
In order to study the relationship between the loss of the seed vigor and accumulation of the seed toxic substances,methanol extract from Robinia pseudoacacia L.seeds(stored in 1963,1979,2010 respectively)in different concentration were used to deal with cabbage(Brassica campestris L.ssp.chinensis)seeds.The results showed that the methanol extract(10%,20%,30% and 40%)of Robinia pseudoacacia L.seeds for different storage time all posed a inhibitory action on the germination rate,vigor index of seed(SVI),height and root growth of cabbage seedlings,with the longer storage time,the more obvious the inhibitory action.The cabbage seed could not germinate with 40% methanol extracts,neither was the 30% methanol extracts of Robinia pseudoacacia L.seeds collected in 1963;With the storage time and methanol extract concentration increased,the more obvious the inhibitory to the seedling height and root growth.It was concluded that the toxic substances were accumulated gradually during the storage.
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Claims 6
Claim · model-written summary
Robinia seed methanol extracts inhibited cabbage germination and seed vigor.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Treatment
- methanol extract(10%,20%,30% and 40%)of Robinia pseudoacacia L.seedse0
- Interactor
- Robinia pseudoacacia L.
Robinia pseudoacaciae0other - Outcome
- germination rate,vigor index of seed(SVI)e0
- Direction
- inhibitorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“methanol extract(10%,20%,30% and 40%)of Robinia pseudoacacia L.seeds for different storage time all posed a inhibitory action on the germination rate,vigor index of seed(SVI),height and root growth of cabbage seedlings”
Claim · model-written summary
Robinia seed extracts inhibited cabbage seedling height and root growth.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- methanol extract(10%,20%,30% and 40%)of Robinia pseudoacacia L.seedse0
- Interactor
- Robinia pseudoacacia L.Robinia pseudoacaciae0other
- Outcome
- height and root growth of cabbage seedlingse0
- Direction
- inhibitorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“methanol extract(10%,20%,30% and 40%)of Robinia pseudoacacia L.seeds for different storage time all posed a inhibitory action on the germination rate,vigor index of seed(SVI),height and root growth of cabbage seedlings”
Claim · model-written summary
Longer Robinia seed storage increased inhibition.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- longer storage timee0
- Outcome
- inhibitory actione0
- Direction
- more obviouse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with the longer storage time,the more obvious the inhibitory action”
e1“cabbage seedlings”
Claim · model-written summary
Cabbage seed did not germinate under 40% extract.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Treatment
- 40% methanol extractse0
- Outcome
- could not germinatee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cabbage seed could not germinate with 40% methanol extracts”
Claim · model-written summary
Cabbage seed did not germinate with 30% extract from 1963 Robinia seeds.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- 30% methanol extracts of Robinia pseudoacacia L.seeds collected in 1963e0
- Interactor
- Robinia pseudoacacia L.Robinia pseudoacaciae0other
- Outcome
- could not germinatee1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither was the 30% methanol extracts of Robinia pseudoacacia L.seeds collected in 1963”
e1“cabbage seed could not germinate”
Claim · model-written summary
The authors concluded toxic substances accumulated during storage.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Outcome
- toxic substances were accumulated graduallye0
- Qualifier
- during the storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“toxic substances were accumulated gradually during the storage”
t0“cabbage”
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