Abstract
This investigation was carried out during three successive seasons ) 2007, 2008 and 2009( to study the effect of different dormant pruning treatments on 5-years old "Anna" apple trees budded on "Malus" apple rootstock grown in El-Kawamel region, Sohag, where soil is sandy, under drip irrigation system to determine the optimal degree of dormant pruning severity to increase yield and improve fruit quality. Severe dormant pruning treatment (thinning out 60% of one -year-old shoots/tree) significantly decreased number of shoots/branch. In contrast, there were clear trends of increase in number of leaves/shoot, specific leaf weight, leaf total chlorophyll content, total soluble sugars, starch percentage and total carbohydrates as dormant pruning severity increased. All dormant pruning treatments affected total number of flowers/branch, and the effect was decreased as severity of pruning increased. On the other hand, the increase in the number of flowers/ spur was positively associated with pruning severity. Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatments significantly increased the percentage of fruit set and improved yield (fruit weight/tree), and the improvement was inversely proportional to the severity of pruning. Dormant pruning treatments increased average fruit weight, but decreased fruit firmness in respect to its severity in the three seasons. All dormant pruning treatments affected total acidity and total starch % and the effect was decreased as severity of pruning was increased, while the increase in total soluble solids and total sugars were positively associated with pruning severity. Severe and moderate (thinning out 60% and 40% of shoots/tree) dormant pruning treatments significantly increased red color% and peel anthocyanin content.
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Claims 13
Claim · model-written summary
Severe dormant pruning (60% of one-year-old shoots thinned) significantly decreased the number of shoots per branch.
- Taxon
- Malus domestica
Malus domesticat0 - Treatment
- Severe dormant pruning treatmente1
- Outcome
- number of shoots/branche1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Severe dormant pruning treatment (thinning out 60% of one -year-old shoots/tree) significantly decreased number of shoots/branch”
Claim · model-written summary
Number of leaves per shoot, specific leaf weight and leaf total chlorophyll content tended to increase with dormant pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- dormant pruning severitye1
- Outcome
- number of leaves/shoot, specific leaf weight, leaf total chlorophyll contente1
- Direction
- increasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“there were clear trends of increase in number of leaves/shoot, specific leaf weight, leaf total chlorophyll content, total soluble sugars, starch percentage and total carbohydrates as dormant pruning severity increased”
Claim · model-written summary
Total soluble sugars, starch percentage and total carbohydrates tended to increase with dormant pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- dormant pruning severitye1
- Outcome
- total soluble sugars, starch percentage and total carbohydratese1
- Direction
- increasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“there were clear trends of increase in number of leaves/shoot, specific leaf weight, leaf total chlorophyll content, total soluble sugars, starch percentage and total carbohydrates as dormant pruning severity increased”
Claim · model-written summary
All dormant pruning treatments decreased the total number of flowers per branch, with the effect weakening as pruning severity increased.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- All dormant pruning treatmentse1
- Outcome
- total number of flowers/branche1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“All dormant pruning treatments affected total number of flowers/branch, and the effect was decreased as severity of pruning increased”
Claim · model-written summary
The number of flowers per spur increased with pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- pruning severitye1
- Outcome
- number of flowers/ spure1
- Direction
- increasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“the increase in the number of flowers/ spur was positively associated with pruning severity”
Claim · model-written summary
Light and moderate dormant pruning significantly increased the percentage of fruit set.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatmentse1
- Outcome
- percentage of fruit sete1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatments significantly increased the percentage of fruit set”
Claim · model-written summary
Light and moderate dormant pruning significantly improved yield (fruit weight per tree).
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatmentse1
- Outcome
- yield (fruit weight/tree)e1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatments significantly increased the percentage of fruit set and improved yield (fruit weight/tree)”
Claim · model-written summary
The yield improvement from light and moderate dormant pruning was inversely proportional to pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- severity of pruninge1
- Outcome
- yield (fruit weight/tree)e1
- Direction
- inversely proportionale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Light (thinning out 20% of shoots/tree) and moderate (thinning out 40% of shoots/tree) dormant pruning treatments significantly increased the percentage of fruit set and improved yield (fruit weight/tree), and the improvement was inversely proportional to the severity of pruning”
Claim · model-written summary
Dormant pruning treatments increased average fruit weight.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- Dormant pruning treatmentse1
- Outcome
- average fruit weighte1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Dormant pruning treatments increased average fruit weight, but decreased fruit firmness in respect to its severity in the three seasons”
Claim · model-written summary
Dormant pruning treatments decreased fruit firmness, in respect to pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- Dormant pruning treatmentse1
- Outcome
- fruit firmnesse1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Dormant pruning treatments increased average fruit weight, but decreased fruit firmness in respect to its severity in the three seasons”
Claim · model-written summary
All dormant pruning treatments decreased total acidity and total starch percentage as pruning severity increased.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- All dormant pruning treatmentse1
- Outcome
- total acidity and total starch %e1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“All dormant pruning treatments affected total acidity and total starch % and the effect was decreased as severity of pruning was increased”
Claim · model-written summary
Total soluble solids and total sugars increased with dormant pruning severity.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- pruning severitye1
- Outcome
- total soluble solids and total sugarse1
- Direction
- increasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“while the increase in total soluble solids and total sugars were positively associated with pruning severity”
Claim · model-written summary
Severe and moderate dormant pruning significantly increased red colour percentage and peel anthocyanin content.
- Taxon
- Malus domesticaMalus domesticat0
- Treatment
- Severe and moderate (thinning out 60% and 40% of shoots/tree) dormant pruning treatmentse1
- Outcome
- red color% and peel anthocyanin contente1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Malus domestica Borkh.”
e1“Severe and moderate (thinning out 60% and 40% of shoots/tree) dormant pruning treatments significantly increased red color% and peel anthocyanin content”
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