Abstract
Introduction. The distribution of shoots and fruits in the tree is an important con- sideration to improve peach cropping. Therefore, the effects of intensity of pruning were inves- tigated for two years in trees with the same fruit load and, the following year, in trees with different fruit loads. Materials and methods. In an early-maturing peach orchard (cv. Alexandra), three pruning intensities were applied for three years: light, medium and severe. The first two years, the same fruit load was applied for the different pruning treatments; in the last year, three fruit loads per tree were tested: low, intermediate and high. Results and discussion. Increasing seve- rity of pruning stimulated average fruit weight and fruit diameter, limiting (2nd year) or not (3rd year) fruit yield. Severe pruning also tended to enhance young shoot growth on the shoot bearing fruit and on the scaffold branch. Fruit diameter improvement with severe pruning might be therefore explained by the increase in vegetative growth likely to enhance available assimilates for fruit growth. However, severe pruning could favor an alternation in flower setting, as observed in the 2nd year. Increasing fruit load stimulated fruit yield, but, with the highest fruit load, no significant fruit yield enhancement was detected compared with the intermediate fruit load. On the contrary, average fruit weight and fruit soluble solids always decreased with increasing fruit load. Conclusion. Intensity of pruning and fruit load must be well adapted to ensure an appro- priate peach production; excessive pruning and fruit load of an early-maturing peach cultivar should be avoided in order not to limit fruit yield and quality, respectively. France / Prunus persica / pruning / growth / production / fruit / quality
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Claims 10
Claim · model-written summary
More severe pruning increased average fruit weight and diameter.
- Taxon
- peach tree
Prunus persicat0 - Treatment
- Increasing seve- rity of pruninge0
- Outcome
- average fruit weight and fruit diametere0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing seve- rity of pruning stimulated average fruit weight and fruit diameter”
t0“peach tree”
Claim · model-written summary
More severe pruning limited fruit yield in the second year.
- Taxon
- peach treePrunus persicat0
- Treatment
- Increasing seve- rity of pruninge1
- Outcome
- fruit yielde0
- Direction
- limitinge0
- Qualifier
- 2nd yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“limiting (2nd year) or not (3rd year) fruit yield”
e1“Increasing seve- rity of pruning”
t0“peach tree”
Claim · model-written summary
More severe pruning did not limit fruit yield in the third year.
- Taxon
- peach treePrunus persicat0
- Treatment
- Increasing seve- rity of pruninge1
- Outcome
- fruit yielde0
- Direction
- note0
- Qualifier
- 3rd yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“limiting (2nd year) or not (3rd year) fruit yield”
e1“Increasing seve- rity of pruning”
t0“peach tree”
Claim · model-written summary
Severe pruning tended to enhance young shoot growth on fruit bearing shoots and scaffold branches.
- Taxon
- peach treePrunus persicat0
- Treatment
- Severe pruninge0
- Outcome
- young shoot growthe0
- Direction
- enhancee0
- Qualifier
- tended toe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe pruning also tended to enhance young shoot growth on the shoot bearing fruit and on the scaffold branch”
t0“peach tree”
Claim · model-written summary
Severe pruning may favor alternation in flower setting.
- Taxon
- peach treePrunus persicat0
- Treatment
- severe pruninge0
- Outcome
- alternation in flower settinge0
- Direction
- favore0
- Qualifier
- coulde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“severe pruning could favor an alternation in flower setting, as observed in the 2nd year”
t0“peach tree”
Claim · model-written summary
Increasing fruit load raised fruit yield.
- Taxon
- peach treePrunus persicat0
- Treatment
- Increasing fruit loade0
- Outcome
- fruit yielde0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing fruit load stimulated fruit yield”
t0“peach tree”
Claim · model-written summary
The highest fruit load did not significantly improve yield over intermediate load.
- Taxon
- peach treePrunus persicat0
- Treatment
- highest fruit loade0
- Outcome
- fruit yielde0
- Direction
- no significant fruit yield enhancemente0
- Comparator
- intermediate fruit loade0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with the highest fruit load, no significant fruit yield enhancement was detected compared with the intermediate fruit load”
t0“peach tree”
Claim · model-written summary
Average fruit weight declined as fruit load rose.
- Taxon
- peach treePrunus persicat0
- Treatment
- increasing fruit loade0
- Outcome
- average fruit weighte0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“average fruit weight and fruit soluble solids always decreased with increasing fruit load”
t0“peach tree”
Claim · model-written summary
Fruit soluble solids declined as fruit load rose.
- Taxon
- peach treePrunus persicat0
- Treatment
- increasing fruit loade0
- Outcome
- fruit soluble solidse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“average fruit weight and fruit soluble solids always decreased with increasing fruit load”
t0“peach tree”
Claim · model-written summary
Excessive pruning and fruit load should be avoided to protect yield and quality.
- Taxon
- peach treePrunus persicat0
- Outcome
- excessive pruning and fruit load of an early-maturing peach cultivar should be avoidede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“excessive pruning and fruit load of an early-maturing peach cultivar should be avoided in order not to limit fruit yield and quality”
t0“peach tree”
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See all 97 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.