Abstract
The objective of this study was to investigate the effect of different rates of ethephon on return bloom and yield, and fruit quality of ‘Fuji’ apple trees. The experiment was performed during the 2014/2015 and 2015/2016 growing seasons. Eighteen-year-old Fuji Standard apple trees grafted on M.9 were sprayed with different rates of ethephon (300 mg L-1, 400 mg L-1, and 500 mg L-1) 30 days after full bloom (DAFB) and compared to an unsprayed control. Yield components (number of fruit per tree, yield, fruit weight, and estimated yield) and fruit quality attributes (fruit firmness, total soluble solids and starch-iodine index) were evaluated in both seasons. Return bloom (percentage of flowering spurs and 1-year-shoots) was assessed only the year following the application. Our results show that ethephon increases return bloom and yield of ‘Fuji Standard’ apple trees, without affecting fruit quality attributes.
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Claims 2
Claim · model-written summary
Ethephon sprays increased return bloom and yield of Fuji apple trees compared with an unsprayed control.
- Taxon
- apple trees
Malus domesticae1 - Material
- Fuji Standarde1
- Treatment
- different rates of ethephon (300 mg L-1, 400 mg L-1, and 500 mg L-1)e1
- Outcome
- return bloom and yielde2
- Direction
- increasese2
- Comparator
- unsprayed controle1
- Setting
- 2014/2015 and 2015/2016 growing seasonse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Eighteen-year-old Fuji Standard apple trees grafted on M.9 were sprayed with different rates of ethephon (300 mg L-1, 400 mg L-1, and 500 mg L-1) 30 days after full bloom (DAFB) and compared to an unsprayed control”
e2“Our results show that ethephon increases return bloom and yield”
e3“The experiment was performed during the 2014/2015 and 2015/2016 growing seasons”
Claim · model-written summary
Ethephon sprays did not affect fruit quality attributes of Fuji apple trees compared with an unsprayed control.
- Taxon
- apple treesMalus domesticae1
- Material
- Fuji Standarde1
- Organ / stage
- fruite4
- Treatment
- different rates of ethephon (300 mg L-1, 400 mg L-1, and 500 mg L-1)e1
- Outcome
- fruit quality attributese4
- Direction
- without affectinge4
- Comparator
- unsprayed controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Eighteen-year-old Fuji Standard apple trees grafted on M.9 were sprayed with different rates of ethephon (300 mg L-1, 400 mg L-1, and 500 mg L-1) 30 days after full bloom (DAFB) and compared to an unsprayed control”
e4“without affecting fruit quality attributes”
The same questions in other papers
(2-chloroethyl)phosphonic acid · yield · Malus domestica (apple)Results differ
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2 in the opposite direction
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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.