Abstract
Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization that typically occurs during leaf senescence. Leaf N remobilization in unsprayed control trees ranged from 45% to 50%, irrespective of tree N status. Leaf N remobilization in trees receiving foliar applications of ZnSO 4 ranged from a positive influx of N into the leaf to ≈30% of the N remobilized, depending on ZnSO 4 application timing and method of expressing leaf N levels. Early ZnSO 4 applications resulted in less N remobilization. Measuring leaf N on an area basis was a more precise indicator of N remobilization than N per unit dry weight, because leaf weight per unit area changes during leaf senescence.
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Claims 5
Claim · model-written summary
Foliar ZnSO4 applications reduced leaf N remobilization in peach and nectarine trees compared with unsprayed control trees, causing premature defoliation.
- Taxon
- peach and nectarine
Prunus persicaPrunus persica var. nucipersicae1 - Treatment
- foliar applications of ZnSO 4e1
- Outcome
- N remobilizatione1
- Direction
- reducede1
- Comparator
- unsprayed control treese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization”
e2“Leaf N remobilization in unsprayed control trees ranged from 45% to 50%, irrespective of tree N status”
Claim · model-written summary
Leaf N remobilization in unsprayed control peach and nectarine trees ranged from 45% to 50%, irrespective of tree N status.
- Taxon
- peach and nectarinePrunus persicaPrunus persica var. nucipersicae1
- Outcome
- Leaf N remobilizatione2
- Value
- 45% to 50%e2
- Qualifier
- irrespective of tree N statuse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization”
e2“Leaf N remobilization in unsprayed control trees ranged from 45% to 50%, irrespective of tree N status”
Claim · model-written summary
Foliar ZnSO4 applications shifted leaf N remobilization in peach and nectarine from a positive N influx to about 30% of the N remobilized, depending on application timing and N expression.
- Taxon
- peach and nectarinePrunus persicaPrunus persica var. nucipersicae1
- Treatment
- foliar applications of ZnSO 4e3
- Outcome
- Leaf N remobilizatione3
- Direction
- lowerinferrede3
- Value
- ≈30%e3
- Qualifier
- depending on ZnSO 4 application timinge3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization”
e3“Leaf N remobilization in trees receiving foliar applications of ZnSO 4 ranged from a positive influx of N into the leaf to ≈30% of the N remobilized, depending on ZnSO 4 application timing and method of expressing leaf N levels”
Claim · model-written summary
Early ZnSO4 applications resulted in less leaf N remobilization in peach and nectarine.
- Taxon
- peach and nectarinePrunus persicaPrunus persica var. nucipersicae1
- Treatment
- Early ZnSO 4 applicationse4
- Outcome
- N remobilizatione4
- Direction
- lesse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization”
e4“Early ZnSO 4 applications resulted in less N remobilization”
Claim · model-written summary
Leaf N measured on an area basis is a more precise indicator of N remobilization than N per unit dry weight in peach and nectarine.
- Taxon
- peach and nectarinePrunus persicaPrunus persica var. nucipersicae1
- Outcome
- indicator of N remobilizatione5
- Direction
- more precisee5
- Qualifier
- on an area basise5
- Comparator
- N per unit dry weighte5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Premature defoliation of peach and nectarine (Prunus persica L. Batsch) trees resulting from foliar applications of ZnSO 4 reduced N remobilization”
e5“Measuring leaf N on an area basis was a more precise indicator of N remobilization than N per unit dry weight”
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See all 24 papers →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.