Abstract
We determined the allelopathic effect of papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars (Iraqi and Turkish, Local varieties). The extracts reduced the Plant height, root length, dry weight of shoot and root by 23.5 %, 42.30 %, 45.65 % and 50 %, respectively, in Iraqi variety. The aqueous extract of papyrus at the highest concentration of 10 % decreased the root nodules numbers in both varieties, the highest decrease (88.88 %) was in Iraqi variety. Morphological, biochemical and molecular analyses were performed on two bacterial strains isolated from the root nodules of the control sample and from the aqueous extract of papyrus leaves at 5 % concentration for the Iraqi variety, while no isolates were recorded at 10 % concentration. Sequence analysis using DNA BLAST showed 97 % similarity with bacterial isolates from the genus Siccibacter (strain Siccibacter colletis N16, accession number MN555377.1) and 99 % similarity with isolates from the genus Staphylococcus (strain Staphylococcus warneri Dk131, registered with NCBI). All isolates with 16S rRNA sequences were registered as new strains in Mosul in Gene Bank (NCBI) and the phylogenetic tree of these isolates was constructed using MEGA 6.
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Claims 9
Claim · model-written summary
Papyrus extracts reduced plant height of the Iraqi pea variety by 23.5 %.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Material
- Iraqi varietye0
- Treatment
- papyrus (Cyperus papyrus L) extractse1
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- Plant heighte0
- Direction
- reducede0
- Value
- 23.5 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e0“The extracts reduced the Plant height, root length, dry weight of shoot and root by 23.5 %, 42.30 %, 45.65 % and 50 %, respectively, in Iraqi variety”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
Papyrus extracts reduced root length of the Iraqi pea variety by 42.30 %.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Material
- Iraqi varietye0
- Treatment
- papyrus (Cyperus papyrus L) extractse1
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- root lengthe0
- Direction
- reducede0
- Value
- 42.30 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e0“The extracts reduced the Plant height, root length, dry weight of shoot and root by 23.5 %, 42.30 %, 45.65 % and 50 %, respectively, in Iraqi variety”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
Papyrus extracts reduced shoot dry weight of the Iraqi pea variety by 45.65 %.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Material
- Iraqi varietye0
- Treatment
- papyrus (Cyperus papyrus L) extractse1
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- dry weight of shoote0
- Direction
- reducede0
- Value
- 45.65 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e0“The extracts reduced the Plant height, root length, dry weight of shoot and root by 23.5 %, 42.30 %, 45.65 % and 50 %, respectively, in Iraqi variety”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
Papyrus extracts reduced root dry weight of the Iraqi pea variety by 50 %.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Material
- Iraqi varietye0
- Treatment
- papyrus (Cyperus papyrus L) extractse1
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- dry weight of shoot and roote0
- Direction
- reducede0
- Value
- 50 %e0
- Qualifier
- roote0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e0“The extracts reduced the Plant height, root length, dry weight of shoot and root by 23.5 %, 42.30 %, 45.65 % and 50 %, respectively, in Iraqi variety”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
The 10 % aqueous papyrus extract decreased root nodule numbers in pea.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Treatment
- aqueous extract of papyrus at the highest concentration of 10 %e2
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- root nodules numberse2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e2“The aqueous extract of papyrus at the highest concentration of 10 % decreased the root nodules numbers in both varieties, the highest decrease (88.88 %) was in Iraqi variety”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
The largest decrease in root nodule numbers, 88.88 %, occurred in the Iraqi pea variety under the 10 % papyrus extract.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Material
- Iraqi varietye2
- Treatment
- aqueous extract of papyrus at the highest concentration of 10 %e2
- Interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- root nodules numberse2
- Direction
- decreasee2
- Value
- 88.88 %e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
e2“The aqueous extract of papyrus at the highest concentration of 10 % decreased the root nodules numbers in both varieties, the highest decrease (88.88 %) was in Iraqi variety”
Claim · model-written summary
No bacterial isolates were recovered from the nodules of the Iraqi pea variety at 10 % papyrus extract concentration.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Treatment
- 10 % concentratione3
- Second interactor
- Cyperus papyrus L
Cyperus papyruse1other - Outcome
- no isolates were recordede3
- Comparator
- aqueous extract of papyrus leaves at 5 % concentratione3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

_(7079191471).jpg?width=500)
Verbatim
e3“Morphological, biochemical and molecular analyses were performed on two bacterial strains isolated from the root nodules of the control sample and from the aqueous extract of papyrus leaves at 5 % concentration for the Iraqi variety, while no isolates were recorded at 10 % concentration”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
The nodule bacterial isolate sequence showed 97 % similarity with the genus Siccibacter.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Interactor
- bacterial isolatese4symbiont
- Outcome
- similarity with bacterial isolates from the genus Siccibactere4
- Value
- 97 %e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“Sequence analysis using DNA BLAST showed 97 % similarity with bacterial isolates from the genus Siccibacter (strain Siccibacter colletis N16, accession number MN555377.1) and 99 % similarity with isolates from the genus Staphylococcus (strain Staphylococcus warneri Dk131, registered with NCBI)”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
Claim · model-written summary
The nodule bacterial isolate sequence showed 99 % similarity with the genus Staphylococcus.
- Taxon
- Pisum sativum L
Lathyrus oleraceuse1 - Interactor
- bacterial isolatese4symbiont
- Outcome
- similarity with isolates from the genus Staphylococcuse4
- Value
- 99 %e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“Sequence analysis using DNA BLAST showed 97 % similarity with bacterial isolates from the genus Siccibacter (strain Siccibacter colletis N16, accession number MN555377.1) and 99 % similarity with isolates from the genus Staphylococcus (strain Staphylococcus warneri Dk131, registered with NCBI)”
e1“papyrus (Cyperus papyrus L) extracts (0,5,10 %) on growth and root nodules and their bacteria of two pea (Pisum sativum L) cultivars”
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