Abstract
The association of plants and microbial communities is crucial for crop production, and host plants influence the composition of rhizosphere microbiomes. Pulse crops play an important role in the development of sustainable cropping systems. In this study, we determined the shifts in the fungal community of pea (Pisum sativum L.) rhizosphere, as influenced by the frequency of pulses in rotation, using high throughput sequencing. Six cropping systems containing pea (P), lentil (Lens culinaris Medik., L), hybrid canola (Brassica napus L., C), wheat (Triticum aestivum L., W), and oat (Avena sativa L., O) in different intensities were tested. The fungal communities were assessed at the flowering stage in the fourth and fifth year of the 4-year rotations. Cropping system had a significant impact on the composition of the rhizosphere fungal community, and the effect of crop rotation sequence was greater and explained more of the variation than the effect of previous crops. The rotation with consecutive pulses (WPLP) decreased fungal evenness and increased the proportion of pathotrophs. Fusarium was a dominant and ubiquitous pathotrophic genus. Olpidium virulentus, Botrytis cinerea, Fusarium solani, F. graminearum, and Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP), the exception being F. solani which was not promoted by lentil. Reads of O. virulentus and B. cinerea were most abundant in pea preceded by lentil followed by the reads of Mortierella elongata in pea preceded by wheat. Pea consistently had higher grain yield when grown in diversified rotations including wheat, canola/lentil, and oat than rotations with two repeated crops (canola or pea). Cropping system affected the soil physicochemical properties, and soil pH was the main driver of fungal community shift. No evidence of beneficial microorganisms involvement in plant productivity was observed, but the high abundance of pathotrophs in pulse intensified rotations suggests the possibility of pathogen buildup in the soil with increasing pulse frequency. Diversifying rotation sequences minimized disease risk and increased pea production, in this study. Careful selection of plant species appears as a strategy for the management of rhizosphere fungal communities and the maintenance of crop production system’s health.
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Claims 20
Claim · model-written summary
Cropping system significantly affected pea rhizosphere fungal community composition.
- Taxon
- pea
Lathyrus oleraceust0 - Treatment
- Cropping systeme0
- Outcome
- composition of the rhizosphere fungal communitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cropping system had a significant impact on the composition of the rhizosphere fungal community”
t0“Pea”
Claim · model-written summary
Rotation sequence explained more pea rhizosphere fungal variation than previous crops.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- crop rotation sequencee0
- Outcome
- variatione0
- Direction
- greatere0
- Comparator
- previous cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of crop rotation sequence was greater and explained more of the variation than the effect of previous crops”
t0“Pea”
Claim · model-written summary
Consecutive pulses decreased fungal evenness in pea rhizospheres.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- rotation with consecutive pulses (WPLP)e0
- Outcome
- fungal evennesse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rotation with consecutive pulses (WPLP) decreased fungal evenness”
t0“Pea”
Claim · model-written summary
Consecutive pulses increased the proportion of pea rhizosphere pathotrophs.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- rotation with consecutive pulses (WPLP)e0
- Outcome
- proportion of pathotrophse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rotation with consecutive pulses (WPLP) decreased fungal evenness and increased the proportion of pathotrophs”
t0“Pea”
Claim · model-written summary
Fusarium was a dominant and ubiquitous pea rhizosphere pathotroph.
- Taxon
- peaLathyrus oleraceust0
- Outcome
- dominant and ubiquitous pathotrophic genuse0
FusariumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fusarium was a dominant and ubiquitous pathotrophic genus”
t0“Pea”
Claim · model-written summary
Olpidium virulentus was generally more abundant in pulse intensive rotations.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- pulse intensive rotations (WPLP, WLOP, and WPOP)e0
- Interactor
- Olpidium virulentusOlpidium virulentuse0pathogen
- Outcome
- Olpidium virulentuse0
- Direction
- more abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Olpidium virulentus, Botrytis cinerea, Fusarium solani, F. graminearum, and Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP)”
t0“Pea”
Claim · model-written summary
Botrytis cinerea was generally more abundant in pulse intensive rotations.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- pulse intensive rotations (WPLP, WLOP, and WPOP)e0
- Interactor
- Botrytis cinerea
Botrytis cinereae0pathogen - Outcome
- Botrytis cinereae0
- Direction
- more abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Olpidium virulentus, Botrytis cinerea, Fusarium solani, F. graminearum, and Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP)”
t0“Pea”
Claim · model-written summary
Fusarium solani was generally more abundant in pulse intensive rotations, except with lentil.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- pulse intensive rotations (WPLP, WLOP, and WPOP)e0
- Interactor
- Fusarium solani
_Sacc._5393379.jpg?width=60)
Fusarium solanie0pathogen - Outcome
- Fusarium solanie0
- Direction
- more abundante0
- Qualifier
- the exception being F. solani which was not promoted by lentile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Sacc._5393379.jpg?width=500)
Verbatim
e0“Fusarium solani, F. graminearum, and Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP), the exception being F. solani which was not promoted by lentil”
t0“Pea”
Claim · model-written summary
F. graminearum was generally more abundant in pulse intensive rotations.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- pulse intensive rotations (WPLP, WLOP, and WPOP)e0
- Interactor
- F. graminearum
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=60)
Fusarium graminearume0pathogen - Outcome
- F. graminearume0
- Direction
- more abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=500)
Verbatim
e0“F. graminearum, and Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP)”
t0“Pea”
Claim · model-written summary
Alternaria eichhorniae was generally more abundant in pulse intensive rotations.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- pulse intensive rotations (WPLP, WLOP, and WPOP)e0
- Interactor
- Alternaria eichhorniaeAlternaria eichhorniaee0pathogen
- Outcome
- Alternaria eichhorniaee0
- Direction
- more abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Alternaria eichhorniae were generally more abundant in pulse intensive rotations (WPLP, WLOP, and WPOP)”
t0“Pea”
Claim · model-written summary
O. virulentus reads were most abundant in pea preceded by lentil.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- pea preceded by lentile0
- Interactor
- O. virulentusOlpidium virulentuse0pathogen
- Outcome
- Reads of O. virulentuse0
- Direction
- most abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reads of O. virulentus and B. cinerea were most abundant in pea preceded by lentil”
Claim · model-written summary
B. cinerea reads were most abundant in pea preceded by lentil.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- pea preceded by lentile0
- Interactor
- B. cinereaBotrytis cinereae0pathogen
- Outcome
- B. cinereae0
- Direction
- most abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reads of O. virulentus and B. cinerea were most abundant in pea preceded by lentil”
Claim · model-written summary
Mortierella elongata reads were most abundant in pea preceded by wheat.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- pea preceded by wheate0
- Interactor
- Mortierella elongata
Linnemannia elongatae0other - Outcome
- reads of Mortierella elongatae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reads of Mortierella elongata in pea preceded by wheat”
Claim · model-written summary
Pea grain yield was higher in diversified rotations than rotations with two repeated crops.
- Taxon
- PeaLathyrus oleraceuse0
- Treatment
- diversified rotations including wheat, canola/lentil, and oate0
- Outcome
- grain yielde0
- Direction
- highere0
- Comparator
- rotations with two repeated crops (canola or pea)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pea consistently had higher grain yield when grown in diversified rotations including wheat, canola/lentil, and oat than rotations with two repeated crops (canola or pea)”
Claim · model-written summary
Cropping system affected soil physicochemical properties in the pea rotation study.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Cropping systeme0
- Outcome
- soil physicochemical propertiese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cropping system affected the soil physicochemical properties”
t0“Pea”
Claim · model-written summary
Soil pH was the main driver of fungal community shifts.
- Taxon
- peaLathyrus oleraceust0
- Compound
- soil pHe0
- Outcome
- fungal community shifte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil pH was the main driver of fungal community shift”
t0“Pea”
Claim · model-written summary
No beneficial microorganism contribution to pea productivity was observed.
- Taxon
- peaLathyrus oleraceust0
- Interactor
- beneficial microorganismse0symbiont
- Outcome
- plant productivitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No evidence of beneficial microorganisms involvement in plant productivity was observed”
t0“Pea”
Claim · model-written summary
Diversified rotation sequences minimized disease risk.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Diversifying rotation sequencese0
- Outcome
- disease riske0
- Direction
- minimizede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diversifying rotation sequences minimized disease risk and increased pea production”
t0“Pea”
Claim · model-written summary
Diversified rotation sequences increased pea production.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Diversifying rotation sequencese0
- Outcome
- pea productione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diversifying rotation sequences minimized disease risk and increased pea production”
t0“Pea”
Claim · model-written summary
Careful plant species selection was proposed to manage rhizosphere fungi and maintain cropping-system health.
- Taxon
- peaLathyrus oleraceust0
- Outcome
- Careful selection of plant speciese0
- Qualifier
- management of rhizosphere fungal communities and the maintenance of crop production system’s healthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Careful selection of plant species appears as a strategy for the management of rhizosphere fungal communities and the maintenance of crop production system’s health”
t0“Pea”
The same questions in other papers
Brassica napus var. napus · yield · Lathyrus oleraceus (pea)Positive and negative results
1 in the opposite direction
- no effect
Triticum aestivum · yield · Lathyrus oleraceus (pea)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
6 papers more in this group
See all 10 papers →Lens culinaris · yield · Lathyrus oleraceus (pea)Results agree
1 paper in the same direction as this paper
- positive
rotation · yield · Lathyrus oleraceus (pea)Positive and negative results
6 papers in the same direction as this paper · 5 in the opposite direction
- negative
- negative
- no effect
8 papers more in this group
See all 12 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.