Abstract
To explore the effects of potassium fertilizer applied at different time on the photosynthetic characteristics, young nectarine trees in greenhouse were trained to central leaders and planted at in-row spacing of 1m with 2m between rows. The results showed that; compared with control, fertilizer-applying at different growth stages improved Leaf net photosynthesis (Pn) to some degrees, and particularly applying potassium 150 gram per plant at fruit-fast-enlarging stage elevated Pn most prominently. It was further revealed that applying potassium chloride significantly increased leaf Intercellular CO2 concentration (Ci) and Temperature of leaf thermocouple (Tleaf), while obviously reduced leaf Conductance to H2O (Gs) and Limited value of stomatal (Ls) compared with control. Moreover, leaf transpiration in treatment was lower than that in control.
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Claims 2
Claim · model-written summary
Fertilizer applied at different growth stages improved net photosynthesis of nectarine to some degree compared with control.
- Taxon
- nectarine
Prunus persica var. nucipersicae0 - Treatment
- fertilizer-applying at different growth stagese1
- Outcome
- Leaf net photosynthesis (Pn)e1
- Direction
- improvede1
- Qualifier
- to some degreese1
- Comparator
- controle1
- Setting
- in greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“young nectarine trees in greenhouse were trained to central leaders”
e1“compared with control, fertilizer-applying at different growth stages improved Leaf net photosynthesis (Pn) to some degrees”
Claim · model-written summary
Applying 150 g potassium per plant at the fruit-fast-enlarging stage elevated net photosynthesis most prominently among the stages.
- Taxon
- nectarinePrunus persica var. nucipersicae0
- Organ / stage
- fruit-fast-enlarging stagee2
- Treatment
- applying potassium 150 gram per plante2
- Outcome
- Pne2
- Direction
- elevatede2
- Qualifier
- most prominentlye2
- Setting
- in greenhousee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“young nectarine trees in greenhouse were trained to central leaders”
e2“applying potassium 150 gram per plant at fruit-fast-enlarging stage elevated Pn most prominently”
The same questions in other papers
stage · physiology: photosynthesis · Prunus persica (peach)Positive and negative results
1 in the opposite direction
- no effect
fertilization · physiology: photosynthesis · Prunus persica (peach)Positive and negative results
9 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
7 papers more in this group
See all 11 papers →potassium · physiology: photosynthesis · Prunus persica (peach)Results agree
1 paper in the same direction as this paper
- 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.