Abstract
Based on the water culture,the different levels of K(0,4.0,8.0 and 16.0 mmol/L),different potash fertilizers(KNO3 and K2SO4) and two tomato cultivars(ZZ106 and MF802) were selected to study the effects of potassium on seedling growth and phenol metabolism of tomato.The results show that the contents of secondary protective enzyme activities and secondary substances of the leaves and roots in the treatment of(8.0 mmol/L) are higher than those of other treatments.The biomasses and contents of K of the plants in the treatments of K2SO4 are higher than those in the treatments of KNO3,while the PAL activities,total phenol,flavonoids and lignin contents in the treatments of K2SO4 are lower than those of KNO3.The secondary protective enzyme activities and secondary substances,biomasses and K contents of leaves of the ZZ106 are significantly higher than those of the MF802,while the K contents of roots of the ZZ106 are significantly lower than those of the MF802.In short,K in leaves and roots can improve phenol metabolism.The potassium deficiency and over dose can reduce the activities of metabolic enzymes and contents of phenolic,flavonoids and lignin.K2SO4 can promote tomato plant growth,but KNO3 is an advantage over K2SO4 on phenol metabolism.The growth and the contents of phenolic compounds of the ZZ106 are better than those of the MF802.
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Claims 9
Claim · model-written summary
At 8.0 mmol/L potassium, leaf and root secondary protective enzyme activities and secondary substances exceeded other treatments.
- Taxon
- tomato seedlings
Solanum lycopersicumt0 - Organ / stage
- leaves and rootse0
- Treatment
- 8.0 mmol/Le0
- Outcome
- secondary protective enzyme activities and secondary substancese0
- Direction
- highere0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results show that the contents of secondary protective enzyme activities and secondary substances of the leaves and roots in the treatment of(8.0 mmol/L) are higher than those of other treatments”
t0“tomato seedlings”
Claim · model-written summary
K2SO4 produced higher plant biomass than KNO3.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Treatment
- K2SO4e0
- Outcome
- biomassese0
- Direction
- highere0
- Comparator
- KNO3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The biomasses and contents of K of the plants in the treatments of K2SO4 are higher than those in the treatments of KNO3”
t0“tomato seedlings”
Claim · model-written summary
K2SO4 produced higher plant K contents than KNO3.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Treatment
- K2SO4e0
- Outcome
- contents of Ke0
- Direction
- highere0
- Comparator
- KNO3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The biomasses and contents of K of the plants in the treatments of K2SO4 are higher than those in the treatments of KNO3”
t0“tomato seedlings”
Claim · model-written summary
K2SO4 produced lower PAL activities and total phenol, flavonoid and lignin contents than KNO3.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Treatment
- K2SO4e0
- Outcome
- PAL activities,total phenol,flavonoids and lignin contentse0
- Direction
- lowere0
- Comparator
- KNO3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the PAL activities,total phenol,flavonoids and lignin contents in the treatments of K2SO4 are lower than those of KNO3”
t0“tomato seedlings”
Claim · model-written summary
ZZ106 had higher leaf secondary protective enzyme activities, secondary substances, biomass and K contents than MF802.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Material
- ZZ106e0
- Organ / stage
- leavese0
- Outcome
- secondary protective enzyme activities and secondary substances,biomasses and K contents of leavese0
- Direction
- highere0
- Comparator
- MF802e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The secondary protective enzyme activities and secondary substances,biomasses and K contents of leaves of the ZZ106 are significantly higher than those of the MF802”
t0“tomato seedlings”
Claim · model-written summary
ZZ106 had lower root K contents than MF802.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Material
- ZZ106e0
- Organ / stage
- rootse0
- Outcome
- K contents of rootse0
- Direction
- lowere0
- Comparator
- MF802e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the K contents of roots of the ZZ106 are significantly lower than those of the MF802”
t0“tomato seedlings”
Claim · model-written summary
Potassium in leaves and roots was interpreted to improve phenol metabolism.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Organ / stage
- leaves and rootse0
- Compound
- Ke0
- Outcome
- phenol metabolisme0
- Direction
- improvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“K in leaves and roots can improve phenol metabolism”
t0“tomato seedlings”
Claim · model-written summary
Potassium deficiency reduced metabolic enzyme activities and phenolic, flavonoid and lignin contents.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Treatment
- potassium deficiencye0
- Outcome
- activities of metabolic enzymes and contents of phenolic,flavonoids and lignine0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The potassium deficiency and over dose can reduce the activities of metabolic enzymes and contents of phenolic,flavonoids and lignin”
t0“tomato seedlings”
Claim · model-written summary
Potassium overdose reduced metabolic enzyme activities and phenolic, flavonoid and lignin contents.
- Taxon
- tomato seedlingsSolanum lycopersicumt0
- Treatment
- over dosee0
- Outcome
- activities of metabolic enzymes and contents of phenolic,flavonoids and lignine0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The potassium deficiency and over dose can reduce the activities of metabolic enzymes and contents of phenolic,flavonoids and lignin”
t0“tomato seedlings”
The same questions in other papers
potassium sulfate · physiology: antioxidant enzymes · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- positive
potassium · physiology: enzyme activity · Solanum lycopersicum (tomato)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- negative
- no effect
- positive
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.