Abstract
The aim of this study was to determine the effects of date of summer pruning and cane densities on growth and fruiting characteristics of the raspberry ( Rubus idaeus ) plant. Three summer-pruning dates (early, middle, and late July) and four cane densities (8, 16, 24, and 32 canes/m row) were imposed to the greenhouse-grown primocane-fruiting raspberry `Autumn Bliss' in 2 consecutive years (1994 and 1995). A higher light microclimate and CO 2 assimilation rate were measured within the canopy at the lowest density. Some compensation in CO 2 assimilation rates were observed in the upper leaves of the high-density treatments, probably in response to low light. Delayed pruning decreased yield per cane and per row. The highest yields per cane were always observed at the lowest cane density. Densities of 16 and 24 canes/m produced the highest fruit yield. Light conditions appeared to be the most important environmental factor affecting plant productivity. Fruit were a weaker sink than roots; therefore, the role of carbohydrate reserves should be investigated.
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Claims 4
Claim · model-written summary
Delayed summer pruning decreased raspberry yield per cane and per row.
- Taxon
- Rubus idaeus
_Rubus_idaeus_-_Feuillage.jpg?width=60)
Rubus idaeuse0 - Treatment
- Delayed pruninge1
- Outcome
- yield per cane and per rowe1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Rubus_idaeus_-_Feuillage.jpg?width=500)
Verbatim
e0“The aim of this study was to determine the effects of date of summer pruning and cane densities on growth and fruiting characteristics of the raspberry ( Rubus idaeus ) plant”
e1“Delayed pruning decreased yield per cane and per row”
Claim · model-written summary
The highest yields per cane were observed at the lowest cane density.
- Taxon
- Rubus idaeusRubus idaeuse0
- Treatment
- lowest cane densitye2
- Outcome
- yields per canee2
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The aim of this study was to determine the effects of date of summer pruning and cane densities on growth and fruiting characteristics of the raspberry ( Rubus idaeus ) plant”
e2“The highest yields per cane were always observed at the lowest cane density”
Claim · model-written summary
Cane densities of 16 and 24 canes/m produced the highest raspberry fruit yield.
- Taxon
- Rubus idaeusRubus idaeuse0
- Treatment
- Densities of 16 and 24 canes/me3
- Outcome
- fruit yielde3
- Direction
- higheste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The aim of this study was to determine the effects of date of summer pruning and cane densities on growth and fruiting characteristics of the raspberry ( Rubus idaeus ) plant”
e3“Densities of 16 and 24 canes/m produced the highest fruit yield”
Claim · model-written summary
The lowest cane density gave a higher light microclimate and CO 2 assimilation rate within the canopy.
- Taxon
- Rubus idaeusRubus idaeuse0
- Treatment
- the lowest densitye4
- Outcome
- light microclimate and CO 2 assimilation ratee4
- Direction
- highere4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The aim of this study was to determine the effects of date of summer pruning and cane densities on growth and fruiting characteristics of the raspberry ( Rubus idaeus ) plant”
e4“A higher light microclimate and CO 2 assimilation rate were measured within the canopy at the lowest density”
The same questions in other papers
pruning · yield · Rubus idaeus (red raspberry)Positive and negative results
9 papers in the same direction as this paper · 3 in the opposite direction
- positive
- negative
- negative
9 papers more in this group
See all 13 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.