Abstract
In Japan, the harvesting time for highbush blueberry cultivars coincide with the rainy season. Fruits quality has been low due to cloudy and rainy conditions. Fruits cracking can be a problem with very wet soil following rain.To protect fruits from the rain, we try to grow five cultivars of highbush blueberry, under artificial condition in a plastic house; included varieties were Weymouth, Earliblue, Collins, Darrow and Coville.1) In 1994 and 1995 the plants in the plastic house were covered with vinyl sheets from March to the harvesting time. In 1996 the vinyl sheets were removed from the plastic house after flower fell.2) The maximum daily temperature within the plastic house was 10°C-15°C higher than temperature in the open field. Due to these higher temperature, the plants sprouting date, leaf opening date, and first blooming date advanced by about 10 dats. Because of this advanced growth, harvest time in the plastic house began before the rainy season.3) The fruit sets from trees in the plastic house yielded a higher percentage than those tested in the open field. In 1994 and 1995 fruits sets from trees in the open field yielded varying berries of weight and size than those grown in the plastic house. In 1996, fruits grown in the plastic house tended to be larger.4) The experiment of 1996 showed that the plants protected by the plastic house resulted well with early ripning, in yield, in size and quality.
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Claims 8
Claim · model-written summary
The maximum daily temperature inside the plastic house was 10-15 °C higher than in the open field.
- Taxon
- Highbush Blueberries
Vaccinium corymbosumt0 - Treatment
- plastic housee0
- Outcome
- maximum daily temperaturee0
- Direction
- highere0
- Value
- 10°C-15°Ce0
- Comparator
- open fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e0“The maximum daily temperature within the plastic house was 10°C-15°C higher than temperature in the open field”
Claim · model-written summary
Sprouting, leaf opening and first bloom dates advanced by about 10 days under the higher temperature.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Treatment
- higher temperaturee1
- Outcome
- sprouting date, leaf opening date, and first blooming datee1
- Direction
- advancede1
- Value
- about 10 datse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e1“Due to these higher temperature, the plants sprouting date, leaf opening date, and first blooming date advanced by about 10 dats”
Claim · model-written summary
Harvest in the plastic house began before the rainy season.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Outcome
- harvest timee2
- Qualifier
- began before the rainy seasone2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e2“Because of this advanced growth, harvest time in the plastic house began before the rainy season”
Claim · model-written summary
Fruit sets on trees in the plastic house were a higher percentage than on trees in the open field.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Treatment
- plastic housee3
- Outcome
- fruit setse3
- Direction
- highere3
- Comparator
- those tested in the open fielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e3“The fruit sets from trees in the plastic house yielded a higher percentage than those tested in the open field”
Claim · model-written summary
In 1994 and 1995, berry weight and size varied between fruit sets from the open field and the plastic house.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Outcome
- berries of weight and sizee4
- Qualifier
- varyinge4
- Setting
- open fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e4“In 1994 and 1995 fruits sets from trees in the open field yielded varying berries of weight and size than those grown in the plastic house”
Claim · model-written summary
In 1996, fruits grown in the plastic house tended to be larger.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Treatment
- plastic housee5
- Outcome
- fruitse5
- Direction
- largere5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e5“In 1996, fruits grown in the plastic house tended to be larger”
Claim · model-written summary
In 1996, plants protected by the plastic house resulted well for early ripening, yield and size.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Treatment
- protected by the plastic housee6
- Outcome
- early ripning, in yield, in sizee6
- Direction
- resulted welle6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e6“The experiment of 1996 showed that the plants protected by the plastic house resulted well with early ripning, in yield, in size and quality”
Claim · model-written summary
In 1996, plants protected by the plastic house resulted well for fruit quality.
- Taxon
- Highbush BlueberriesVaccinium corymbosumt0
- Treatment
- protected by the plastic housee6
- Outcome
- qualitye6
- Direction
- resulted welle6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Highbush Blueberries in a Plastic House”
e6“The experiment of 1996 showed that the plants protected by the plastic house resulted well with early ripning, in yield, in size and quality”
The same questions in other papers
protected cultivation · yield · Vaccinium corymbosum (highbush blueberry)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
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.