Abstract
The interaction between Glomus fasciculatum and Meloidogyne incognita on cotton was studied in the greenhouse. No increases in plant growth were noticed at mycorrhizal inoculation rates of 30 to 480 chlamydospores per plant. Plant growth, however, increased 41 % when inoculated with 750 spores per plant, equivalent to one spore per cm3 soil. Inoculation of 30 spores per plant resulted in root colonization of only 38% and no effect on the nematode population. At densities of 60, 120 and 240 spores per plant, mycorrhizal root levels increased to 55-60% and egg number per plant was significantly reduced. At concentrations of 480 spores per plant, and root colonization levels of 87% , total egg and nematode densities were greatly suppressed. Nematodes and eggs were reduced 41 % on plants inoculated simultaneously at planting with 750 spores, compared to plants inoculated with the nematode alone. The symbiont caused a reduction of 59% in egg and nematode numbers per gm. of root. Fungal root colonization associated with this reduction exceeded 90 % .
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Claims 10
Claim · model-written summary
Mycorrhizal inoculation at 30 to 480 chlamydospores per plant did not increase cotton growth.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- mycorrhizal inoculation rates of 30 to 480 chlamydospores per plante0
- Outcome
- plant growthe0
- Direction
- No increasese0
Not reportedInteractorInteractor roleComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No increases in plant growth were noticed at mycorrhizal inoculation rates of 30 to 480 chlamydospores per plant”
t0“Cotton”
Claim · model-written summary
Inoculation with 750 spores per plant increased cotton growth by 41%.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- inoculated with 750 spores per plante0
- Outcome
- Plant growthe0
- Direction
- increasede0
- Value
- 41 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant growth, however, increased 41 % when inoculated with 750 spores per plant”
t0“Cotton”
Claim · model-written summary
Inoculation with 30 spores per plant produced 38% root colonization.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Inoculation of 30 spores per plante0
- Outcome
- root colonizatione0
- Value
- 38%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of 30 spores per plant resulted in root colonization of only 38%”
t0“Cotton”
Claim · model-written summary
Inoculation with 30 spores per plant had no effect on nematode population.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Inoculation of 30 spores per plante0
- Outcome
- nematode populatione0
- Direction
- no effecte0
Not reportedInteractorInteractor roleComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of 30 spores per plant resulted in root colonization of only 38% and no effect on the nematode population”
t0“Cotton”
Claim · model-written summary
At 60, 120 and 240 spores per plant, mycorrhizal root colonization increased to 55–60%.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 60, 120 and 240 spores per plante0
- Outcome
- mycorrhizal root levelse0
- Direction
- increasede0
- Value
- 55-60%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At densities of 60, 120 and 240 spores per plant, mycorrhizal root levels increased to 55-60%”
t0“Cotton”
Claim · model-written summary
At 60, 120 and 240 spores per plant, egg number per plant was significantly reduced.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 60, 120 and 240 spores per plante0
- Outcome
- egg number per plante0
- Direction
- reducede0
Not reportedInteractorInteractor roleComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At densities of 60, 120 and 240 spores per plant, mycorrhizal root levels increased to 55-60% and egg number per plant was significantly reduced”
t0“Cotton”
Claim · model-written summary
At 480 spores per plant and 87% root colonization, egg and nematode densities were greatly suppressed.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 480 spores per plante0
- Outcome
- total egg and nematode densitiese0
- Direction
- suppressede0
- Qualifier
- root colonization levels of 87%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At concentrations of 480 spores per plant, and root colonization levels of 87% , total egg and nematode densities were greatly suppressed”
t0“Cotton”
Claim · model-written summary
Simultaneous inoculation with 750 spores reduced nematodes and eggs by 41% relative to nematode alone.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- inoculated simultaneously at planting with 750 sporese0
- Outcome
- Nematodes and eggse0
- Direction
- reducede0
- Value
- 41 %e0
- Comparator
- plants inoculated with the nematode alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nematodes and eggs were reduced 41 % on plants inoculated simultaneously at planting with 750 spores, compared to plants inoculated with the nematode alone”
t0“Cotton”
Claim · model-written summary
The symbiont reduced egg and nematode numbers per gram of root by 59%.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- The symbionte0
- Outcome
- egg and nematode numbers per gm. of roote0
- Direction
- reductione0
- Value
- 59%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The symbiont caused a reduction of 59% in egg and nematode numbers per gm. of root”
t0“Cotton”
Claim · model-written summary
Fungal root colonization associated with the reduction exceeded 90%.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- Fungal root colonizatione0
- Direction
- exceedede0
- Value
- 90 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fungal root colonization associated with this reduction exceeded 90 %”
t0“Cotton”
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See all 73 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.