Abstract
The allelopathy of corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant was investigated by means of bioassay in laboratory.The results showed that the effects of straw aqueous extracts on vegetables seed germination had many forms:inhibit effects,promotion effects,promotion/inhibition double effecs and no siginificant effect.Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber,and seedling height and dry weight was increased at lower conentration and decreased at higher concentration.Corn straw aqueous significantly inhibited seed germination and root growth of lettuce and eggplant,and had promotion/inhibit double effecs on seedling height and fresh weight.Wheat straw aqueous increased seedling height and fresh weight of cucumber,and decreased vigor index and root length of lettuce,and had promoted/inhibited effect on root length,seedling height and fresh weight.Wheat straw aqueous significantly decreased eggplant seed germination rate,and had promoted/inhibited effect on root length,seedling height and fresh weight.According to sensitivity index,the allelopathical effect of corn straw aqueous extracts was stronger than that of wheat straw aqueous extracts on tested vegetables.The allelopathical sensitivity to straw aqueous exracts was different among the tested vegetables,with lettuce being the most sentitive,eggpant being more sentitive and cucumber being the least sensentive.
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Claims 14
Claim · model-written summary
Corn straw extract inhibited cucumber seedling vigor index, root length and fresh weight.
- Taxon
- cucumber
Cucumis sativuse0 - Treatment
- Corn straw aqueouse0
- Outcome
- vigor index,root length and fresh weight of seedling of cucumbere0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber”
Claim · model-written summary
At lower concentration, corn straw extract increased cucumber seedling height and dry weight.
- Taxon
- cucumberCucumis sativuse1
- Treatment
- Corn straw aqueouse2
- Outcome
- seedling height and dry weighte0
- Direction
- increasede0
- Qualifier
- at lower conentratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seedling height and dry weight was increased at lower conentration and decreased at higher concentration”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber”
Claim · model-written summary
At higher concentration, corn straw extract decreased cucumber seedling height and dry weight.
- Taxon
- cucumberCucumis sativuse1
- Treatment
- Corn straw aqueouse2
- Outcome
- seedling height and dry weighte0
- Direction
- decreasede0
- Qualifier
- at higher concentratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seedling height and dry weight was increased at lower conentration and decreased at higher concentration”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber”
Claim · model-written summary
Corn straw extract inhibited lettuce seed germination and root growth.
- Taxon
- lettuce
Lactuca sativae0 - Treatment
- Corn straw aqueouse0
- Outcome
- seed germination and root growth of lettucee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn straw aqueous significantly inhibited seed germination and root growth of lettuce and eggplant”
Claim · model-written summary
Corn straw extract inhibited eggplant seed germination and root growth.
- Taxon
- eggplant
Solanum melongenae0 - Treatment
- Corn straw aqueouse0
- Outcome
- seed germination and root growth of lettuce and eggplante0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn straw aqueous significantly inhibited seed germination and root growth of lettuce and eggplant”
Claim · model-written summary
Corn straw extract had concentration-dependent promotion and inhibition effects on lettuce seedling height and fresh weight.
- Taxon
- lettuceLactuca sativae1
- Treatment
- Corn straw aqueouse2
- Outcome
- seedling height and fresh weighte0
- Direction
- promotion/inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had promotion/inhibit double effecs on seedling height and fresh weight”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber”
Claim · model-written summary
Corn straw extract had promotion and inhibition effects on eggplant seedling height and fresh weight.
- Taxon
- eggplantSolanum melongenae1
- Treatment
- Corn straw aqueouse2
- Outcome
- seedling height and fresh weighte0
- Direction
- promotion/inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had promotion/inhibit double effecs on seedling height and fresh weight”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Corn straw aqueous had significantly inhibited vigor index,root length and fresh weight of seedling of cucumber”
Claim · model-written summary
Wheat straw extract increased cucumber seedling height and fresh weight.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Wheat straw aqueouse0
- Outcome
- seedling height and fresh weight of cucumbere0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat straw aqueous increased seedling height and fresh weight of cucumber”
Claim · model-written summary
Wheat straw extract decreased lettuce vigor index and root length.
- Taxon
- lettuceLactuca sativae1
- Treatment
- Wheat straw aqueouse2
- Outcome
- vigor index and root length of lettucee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased vigor index and root length of lettuce”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Wheat straw aqueous increased seedling height and fresh weight of cucumber”
Claim · model-written summary
Wheat straw extract promoted or inhibited lettuce root length, seedling height and fresh weight.
- Taxon
- lettuceLactuca sativae1
- Treatment
- Wheat straw aqueouse2
- Outcome
- root length,seedling height and fresh weighte0
- Direction
- promoted/inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased vigor index and root length of lettuce,and had promoted/inhibited effect on root length,seedling height and fresh weight”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Wheat straw aqueous increased seedling height and fresh weight of cucumber”
Claim · model-written summary
Wheat straw extract decreased eggplant seed germination rate.
- Taxon
- eggplantSolanum melongenae0
- Treatment
- Wheat straw aqueouse0
- Outcome
- eggplant seed germination ratee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat straw aqueous significantly decreased eggplant seed germination rate”
Claim · model-written summary
Wheat straw extract promoted or inhibited eggplant root length, seedling height and fresh weight.
- Taxon
- eggplantSolanum melongenae1
- Treatment
- Wheat straw aqueouse2
- Outcome
- root length,seedling height and fresh weighte0
- Direction
- promoted/inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat straw aqueous significantly decreased eggplant seed germination rate,and had promoted/inhibited effect on root length,seedling height and fresh weight”
e1“corn and wheat straw aqueous extracts on seed germination and the growth of cucumber,lettuce and eggplant”
e2“Wheat straw aqueous increased seedling height and fresh weight of cucumber”
Claim · model-written summary
Corn straw extract had a stronger allelopathic effect than wheat straw extract on the tested vegetables.
Verbatim
e0“the allelopathical effect of corn straw aqueous extracts was stronger than that of wheat straw aqueous extracts on tested vegetables”
Claim · model-written summary
Lettuce was most sensitive, eggplant intermediate and cucumber least sensitive to straw extracts.
- Taxon
- lettuceLactuca sativae0
- Outcome
- most sentitivee0
- Direction
- most sentitivee0
- Comparator
- cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lettuce being the most sentitive,eggpant being more sentitive and cucumber being the least sensentive”
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See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.