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“dry weight decrease”

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1980 ’90 2000 ’10

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Organism: Solanum tuberosum ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

PVY infection decreased shoot length, leaf area, and fresh and dry shoot weight of potato plants.

Taxon: potato plantsSolanum tuberosume1
Treatment: PVY infectione2
Interactor: PVYPotato virus Ye2pathogen
Outcome: shoot length, leave an area and fresh and dry weight of shootse2
Direction: decreasee2

Not reportedComparator

Verbatim

e1
“Potato virus Y belongs to a group of potyvirus that causes serious diseases to potato plants”
✓ located verbatim in the source · abstract, characters 88–180

e2
“PVY infection resulted in significant decrease in shoot length, leave an area and fresh and dry weight of shoots”
✓ located verbatim in the source · abstract, characters 1416–1528

Title

Impact of Virucide; Carrageenan in Suppression of Potato Virus Y in Potato Plants

Gomaa Hanaa H. A. International Journal of Pharmacognosy and Phytochemical Research 2017. doi:10.25258/phyto.v9i09.10306

Other claims from this paper (7)

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Total respiration per disc of potato callus significantly increased upon transfer

Taxon: Solanum tuberosumSolanum tuberosume0
Treatment: transfer to medium with extra mannitole5
Outcome: total respiration per disce6
Direction: increasese6

Not reportedComparator

Verbatim

e0
“Potato tuber ( Solanum tuberosum L. cv. Bintje) callus shows a decrease in fresh weight and an increase in dry weight upon transfer to nutrient medium supplemented with 0.3 or 0.5 M mannitol”
✓ located verbatim in the source · abstract, characters 0–190

e5
“The participation of this pathway in uninhibited respiration increases from about 10 to 90% upon transfer to medium with extra mannitol”
✓ located verbatim in the source · abstract, characters 814–949

e6
“Yet, total respiration per disc significantly increases due to the increased participation of the alternative pathway”
✓ located verbatim in the source · abstract, characters 1125–1242

Title

Influence of osmotic stress on the respiration of potato tuber callus

Linus H. W. van der Plas; Marijke J. Wagner Physiologia Plantarum 1984. doi:10.1111/j.1399-3054.1984.tb04592.x

Other claims from this paper (14)

Intervention effect Potato callus fresh weight decreased upon transfer to mannitol medium
Intervention effect Potato callus dry weight increased upon transfer to mannitol medium
Intervention effect Osmolarity of the intracellular fluid of potato callus increased upon transfer to mannitol medium
Mechanism Mannitol is probably taken up from the medium until tissue osmolarity equals that of the medium
Intervention effect Respiration of potato callus increased upon transfer to medium with extra mannitol, especially per fresh weight
Intervention effect On a fresh weight basis, cytochrome and alternative pathway capacities did not change appreciably with extra mannitol
Intervention effect Participation of the alternative pathway in uninhibited respiration of potato callus rose from about 10% to 90% upon transfer
Association Increase in respiration is partly correlated with decrease in fresh weight upon transfer
Intervention effect Capacities of the cytochrome and alternative pathway declined per disc upon transfer
Mechanism Total respiration per disc increased due to increased participation of the alternative pathway
Intervention effect ATP production per disc was almost unchanged before and after transfer
Mechanism The alternative pathway may function as a reserve capacity in potato callus when cytochrome pathway ATP production is impaired
Intervention effect Growth of potato callus became negligible on medium with 0.5 M mannitol after osmotic adaptation
Observation Potato callus retained its viability after osmotic adaptation on 0.5 M mannitol

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“dry weight decrease”

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