Claim · model-written summary
Low P reduced potato root dry matter by 34%.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- low abiotic P supply (0.5 mM)e0
- Outcome
- root, shoot, and tuber dry mattere0
- Direction
- lesse0
- Value
- 34e0
- Comparator
- high P (2.5 mM)e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nonmycorrhizal (NM) plants grown for 63 d with low abiotic P supply (0.5 mM) produced 34, 52, and 73% less root, shoot, and tuber dry matter, respectively, than plants grown with high P (2.5 mM)”
t0“potato”
Title
DAJ. McArthur; N. R. Knowles PLANT PHYSIOLOGY 1993. doi:10.1104/pp.101.1.147
Other claims from this paper (17)
- Intervention effect Low P reduced potato shoot dry matter by 52%.
- Intervention effect Low P reduced potato tuber dry matter by 73%.
- Intervention effect Low P plants had substantially lower total leaf area and leaf area to plant dry weight ratio.
- Intervention effect Low P lowered shoot to root and tuber to plant dry weight ratios.
- Intervention effect Low P plants grew more slowly.
- Observation Low P plants accumulated nonreducing sugars and nitrate.
- Intervention effect Root respiration and leaf nitrate reductase activity were lower under low P.
- Intervention effect Low P plants acquired P more efficiently than high P plants.
- Intervention effect P deficiency restricted dry matter and P allocation to roots less than to shoots and tubers.
- Intervention effect P deficiency enhanced root acid phosphatase and vanadate-sensitive microsomal ATPase specific activities.
- Mechanism VAM symbiosis was essential for efficient P acquisition in low P potato plants.
- Intervention effect P-stressed plants had greater VAM root infection levels.
- Intervention effect Low P VAM plants recovered 42% more available soil P than low P nonmycorrhizal plants by day 63.
- Intervention effect VAM only partially alleviated P deficiency stress.
- Intervention effect VAM infection marginally influenced specific acid phosphatase and microsomal ATPase activities.
- Intervention effect VAM roots had higher protein concentration than nonmycorrhizal roots.
- Intervention effect VAM roots had enhanced microsomal ATPase and acid phosphatase activities per fresh weight relative to nonmycorrhizal roots.