Abstract
Rhizosphere soils and plant tissues(roots,stems and leaves)from hemp(Cannabis sativa L.)plants were collected under pot experimental condition to study their allelopathic effect on stimulating seeds germination for both melon broomrape(Phelipanche aegytiaca Pers.)and sunflower broomrape(Orobanche cumana Wallr.)at different growth stages.The results showed that rhizosphere soil extract displayed a higher germination rate for melon broomrape than that of sunflower broomrape.The seeds germination rates,induced by methanol extracts of roots were higher than that of stems and leaves.Induction of broomrape seeds germination by methanol extracts were stronger than that of aqueous extracts.There was a significant positive correlation between the germination rates of melon broomrape,which were induced by root methanol extracts and the stem extracts(R2=0.833 6,P0.05).There was also a significant positive correlation between the germination rates of sunflower broomrape,which were induced by hemp root methanol extracts and the stem methanol extracts(R2=0.544 4,P 0.05).Methanol extract of the roots at seedling stage indicated the highest germination rate for sunflower broomrape seeds germination(45.2%),while melon broomrape seeds germination were appeared at fast-growing stage(41.5%).Aqueous extracts of hemp roots induced the highest germination rates on both melon and sunflower broomrape seeds at the seedling stage,with germination rates of 53.6%and 23.7%,respectively.It is indicated that hemp has potential to be used as acatch cropfor broomrape.These results can provide a basis for the bio-control of the parasitic weeds.
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Claims 10
Claim · model-written summary
Hemp rhizosphere soil extract induced a higher germination rate in melon broomrape than sunflower broomrape.
- Taxon
- hemp(Cannabis sativa L.)
Cannabis sativat0 - Treatment
- rhizosphere soil extracte0
- Interactor
- melon broomrapee0parasite
- Second interactor
- sunflower broomrapee0parasite
- Outcome
- germination rate for melon broomrapee0
- Direction
- highere0
- Comparator
- sunflower broomrapee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rhizosphere soil extract displayed a higher germination rate for melon broomrape than that of sunflower broomrape”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Root methanol extracts induced higher broomrape germination rates than stem and leaf extracts.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- methanol extracts of rootse0
- Interactor
- broomrapet1parasite
- Outcome
- seeds germination ratese0
- Direction
- highere0
- Comparator
- stems and leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seeds germination rates,induced by methanol extracts of roots were higher than that of stems and leaves”
t0“hemp(Cannabis sativa L.)”
t1“melon broomrape and sunflower broomrape”
Claim · model-written summary
Methanol extracts induced broomrape seed germination more strongly than aqueous extracts.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- methanol extractse0
- Interactor
- broomrapee0parasite
- Outcome
- broomrape seeds germinatione0
- Direction
- strongere0
- Comparator
- aqueous extractse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Induction of broomrape seeds germination by methanol extracts were stronger than that of aqueous extracts”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Melon broomrape germination induced by hemp root and stem methanol extracts was positively correlated.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- root methanol extractse0
- Interactor
- melon broomrapee0parasite
- Outcome
- germination rates of melon broomrapee0
- Direction
- positive correlatione0
- Value
- R2=0.833 6e0
- Comparator
- stem extractse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant positive correlation between the germination rates of melon broomrape,which were induced by root methanol extracts and the stem extracts(R2=0.833 6,P0.05)”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Sunflower broomrape germination induced by hemp root and stem methanol extracts was positively correlated.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- hemp root methanol extractse0
- Interactor
- sunflower broomrapee0parasite
- Outcome
- germination rates of sunflower broomrapee0
- Direction
- positive correlatione0
- Value
- R2=0.544 4e0
- Comparator
- stem methanol extractse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant positive correlation between the germination rates of sunflower broomrape,which were induced by hemp root methanol extracts and the stem methanol extracts(R2=0.544 4,P 0.05)”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Seedling-stage root methanol extract gave the highest sunflower broomrape germination rate, 45.2%.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- Methanol extract of the roots at seedling stagee0
- Interactor
- sunflower broomrapee0parasite
- Outcome
- germination rate for sunflower broomrape seeds germinatione0
- Direction
- higheste0
- Value
- 45.2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Methanol extract of the roots at seedling stage indicated the highest germination rate for sunflower broomrape seeds germination(45.2%)”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Root methanol extract at the fast-growing stage gave melon broomrape germination of 41.5%.
- Taxon
- hemp(Cannabis sativa L.)Cannabis sativat0
- Treatment
- Methanol extract of the rootse0
- Interactor
- melon broomrapee0parasite
- Outcome
- melon broomrape seeds germinatione0
- Value
- 41.5%e0
- Qualifier
- fast-growing stagee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Methanol extract of the roots at seedling stage indicated the highest germination rate for sunflower broomrape seeds germination(45.2%),while melon broomrape seeds germination were appeared at fast-growing stage(41.5%)”
t0“hemp(Cannabis sativa L.)”
Claim · model-written summary
Seedling-stage hemp root aqueous extracts gave the highest melon broomrape germination rate, 53.6%.
- Taxon
- hemp
Cannabis sativa subsp. sativae0 - Treatment
- Aqueous extracts of hemp rootse0
- Interactor
- melon
.jpg?width=60)
Cucumis meloe0parasite - Outcome
- germination rates on both melon and sunflower broomrape seedse0
- Direction
- higheste0
- Value
- 53.6%e0
- Qualifier
- seedling stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Aqueous extracts of hemp roots induced the highest germination rates on both melon and sunflower broomrape seeds at the seedling stage,with germination rates of 53.6%and 23.7%,respectively”
Claim · model-written summary
Seedling-stage hemp root aqueous extracts gave the highest sunflower broomrape germination rate, 23.7%.
- Taxon
- hempCannabis sativa subsp. sativae0
- Treatment
- Aqueous extracts of hemp rootse0
- Interactor
- sunflower broomrapee0parasite
- Outcome
- germination rates on both melon and sunflower broomrape seedse0
- Direction
- higheste0
- Value
- 23.7%e0
- Qualifier
- seedling stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aqueous extracts of hemp roots induced the highest germination rates on both melon and sunflower broomrape seeds at the seedling stage,with germination rates of 53.6%and 23.7%,respectively”
Claim · model-written summary
The authors propose hemp as a potential catch crop for broomrape control.
- Taxon
- hempCannabis sativa subsp. sativae0
- Interactor
- broomrapee0parasite
- Outcome
- catch crope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“hemp has potential to be used as acatch cropfor broomrape”
The same questions in other papers
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- positive
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- positive
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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.