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“dry weight decrease”

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1980

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Organism: Solanum tuberosum ✕

Mechanismobservedoriginal resultmeasured

Claim · model-written summary

Increased light interception under nitrogen was partially offset by reduced dry weight partitioning to tubers.

Taxon: potatoSolanum tuberosumt0
Outcome: Increases in light interceptione0
Qualifier: decrease in the proportion of the dry weight partitioned to the tuberse0

Verbatim

e0
“Increases in light interception, in response to nitrogen, were partially offset by a concomitant decrease in the proportion of the dry weight partitioned to the tubers”
✓ located verbatim in the source · abstract, characters 1207–1374

t0
“potato”
✓ located verbatim in the source · title, characters 52–58

Title

Growth, nitrogen uptake and partitioning within the potato (Solatium tuberosum L.) crop, in relation to nitrogen application

P. Millard; B. Marshall The Journal of Agricultural Science 1986. doi:10.1017/s0021859600087220

Other claims from this paper (11)

Intervention effect Fertilizer increased potato nitrogen uptake.
Observation At high nitrogen rates, uptake exceeded immediate growth requirements.
Observation Extra nitrogen initially occurred mainly as soluble protein in leaves.
Observation Extra nitrogen initially occurred as nitrate in the stem.
Observation Reduced nitrogen in tubers became a large component during tuber bulking.
Intervention effect 25 g N/m 2 shifted nitrogen partitioning toward foliage relative to tubers.
Observation Maximum final tuber yield occurred at 15 g N/m 2 in both years.
Mechanism Nitrogen-related yield increases were due to increased radiation interception.
Intervention effect Canopy photosynthetic efficiency was little affected.
Intervention effect Tuber dry matter content was little affected.
Association Nitrogen application effects on tuber yield depended on harvest date.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Total respiration per disc increased due to increased participation of the alternative pathway

Taxon: Solanum tuberosumSolanum tuberosume0
Outcome: total respiration per disce6
Qualifier: increased participation of the alternative pathwaye6

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

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
Intervention effect Total respiration per disc of potato callus significantly increased upon transfer
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

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

Mannitol is probably taken up from the medium until tissue osmolarity equals that of the medium

Taxon: Solanum tuberosumSolanum tuberosume0
Compound: mannitole2
Outcome: osmolarity of the tissuee2

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

e2
“Probably mannitol is taken up from the medium till the osmolarity of the tissue is in equilibrium with that of the medium”
✓ located verbatim in the source · abstract, characters 260–381

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
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
Intervention effect Total respiration per disc of potato callus significantly increased 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

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The alternative pathway may function as a reserve capacity in potato callus when cytochrome pathway ATP production is impaired

Taxon: Solanum tuberosumSolanum tuberosume0
Organ / stage: calluse6
Outcome: reserve capacitye6
Qualifier: the cytochrome pathway is impairede7

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

e6
“the alternative pathway functions as a reserve capacity in potato callus”
✓ located verbatim in the source · abstract, characters 1344–1416

e7
“the cytochrome pathway is impaired”
✓ located verbatim in the source · abstract, characters 1470–1504

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
Intervention effect Total respiration per disc of potato callus significantly increased 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
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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