Abstract
Two experiments (1989 and 1990) were designed to characterize the response of cucumber ( Cucumis sativus L.) plants with different leaf types [normal leaf ( LL ) vs. little leaf ( ll )] to high soil moisture tension (SMT) and to determine whether hydrocooling would reduce the severity of pillowy fruit disorder (PFD). Comparisons were made among nine cultivars (7 LL and 2 ll ) for aboveground vegetative and fruit response, and between two irrigation regimes. High SMT generally caused increased wilt ratings and stomatal conductance and decreased plant dry weight. PFD severity of fruit from watered plots was less [61% (Expt. 1, 1989) and 26% (Expt. 1, 1990)] than of fruit harvested from plots in which water was withheld. The response of the two ll cultivars to moisture stress differed depending on environmental conditions. Increased PFD severity was associated with increased temperature, lower relative humidity (RH), and excluding hydrocooling during postharvest handling. Of the four storage treatments examined, hydrocooling to ≈8.5C then storage at 15C and 85% RH for 4 days produced fruit with the least PFD symptoms. Fruit of `Carolina' ( LL ) exhibited the highest PFD ratings, while those of `Calypso' ( LL ) were consistently low compared to other cultivars. Processors can lower PFD incidence and severity by ensuring that adequate moisture is available to plants during fruit enlargement and that harvested fruit are hydrocooled before shipping and storage.
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Claims 12
Claim · model-written summary
High soil moisture tension generally increased wilt ratings and stomatal conductance in cucumber.
- Taxon
- Cucumber
Cucumis sativust0 - Treatment
- High SMTe0
- Outcome
- wilt ratings and stomatal conductancee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e0“High SMT generally caused increased wilt ratings and stomatal conductance and decreased plant dry weight”
Claim · model-written summary
High soil moisture tension decreased plant dry weight in cucumber.
- Taxon
- CucumberCucumis sativust0
- Treatment
- High SMTe0
- Outcome
- plant dry weighte0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e0“High SMT generally caused increased wilt ratings and stomatal conductance and decreased plant dry weight”
Claim · model-written summary
PFD severity of fruit from watered plots was less than from water-withheld plots, by 61% in Experiment 1 of 1989.
- Taxon
- CucumberCucumis sativust0
- Treatment
- watered plotse1
- Outcome
- PFD severitye1
- Direction
- lesse1
- Value
- 61%e1
- Qualifier
- Expt. 1, 1989e1
- Comparator
- plots in which water was withhelde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e1“PFD severity of fruit from watered plots was less [61% (Expt. 1, 1989) and 26% (Expt. 1, 1990)] than of fruit harvested from plots in which water was withheld”
Claim · model-written summary
PFD severity of fruit from watered plots was less than from water-withheld plots, by 26% in Experiment 1 of 1990.
- Taxon
- CucumberCucumis sativust0
- Treatment
- watered plotse1
- Outcome
- PFD severitye1
- Direction
- lesse1
- Value
- 26%e1
- Qualifier
- Expt. 1, 1990e1
- Comparator
- plots in which water was withhelde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e1“PFD severity of fruit from watered plots was less [61% (Expt. 1, 1989) and 26% (Expt. 1, 1990)] than of fruit harvested from plots in which water was withheld”
Claim · model-written summary
Increased PFD severity was associated with increased temperature.
- Taxon
- CucumberCucumis sativust0
- Treatment
- increased temperaturee2
- Outcome
- PFD severitye2
- Direction
- Increasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e2“Increased PFD severity was associated with increased temperature, lower relative humidity (RH), and excluding hydrocooling during postharvest handling”
Claim · model-written summary
Increased PFD severity was associated with lower relative humidity.
- Taxon
- CucumberCucumis sativust0
- Treatment
- lower relative humidity (RH)e2
- Outcome
- PFD severitye2
- Direction
- Increasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e2“Increased PFD severity was associated with increased temperature, lower relative humidity (RH), and excluding hydrocooling during postharvest handling”
Claim · model-written summary
Increased PFD severity was associated with excluding hydrocooling during postharvest handling.
- Taxon
- CucumberCucumis sativust0
- Treatment
- excluding hydrocooling during postharvest handlinge2
- Outcome
- PFD severitye2
- Direction
- Increasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e2“Increased PFD severity was associated with increased temperature, lower relative humidity (RH), and excluding hydrocooling during postharvest handling”
Claim · model-written summary
Hydrocooling to about 8.5C then storage at 15C and 85% RH for 4 days produced fruit with the least PFD symptoms among four storage treatments.
- Taxon
- CucumberCucumis sativust0
- Treatment
- hydrocooling to ≈8.5C then storage at 15C and 85% RH for 4 dayse3
- Outcome
- PFD symptomse3
- Direction
- leaste3
- Comparator
- four storage treatments examinede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e3“Of the four storage treatments examined, hydrocooling to ≈8.5C then storage at 15C and 85% RH for 4 days produced fruit with the least PFD symptoms”
Claim · model-written summary
The response of the two ll cultivars to moisture stress differed depending on environmental conditions.
- Taxon
- CucumberCucumis sativust0
- Material
- lle4
- Treatment
- moisture stresse4
- Outcome
- response of the two ll cultivars to moisture stresse4
- Qualifier
- differed depending on environmental conditionse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e4“The response of the two ll cultivars to moisture stress differed depending on environmental conditions”
Claim · model-written summary
Cultivar Carolina had the highest PFD ratings among the cultivars tested.
- Taxon
- CucumberCucumis sativust0
- Material
- Carolinae5
- Outcome
- PFD ratingse5
- Direction
- higheste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e5“Fruit of `Carolina' ( LL ) exhibited the highest PFD ratings, while those of `Calypso' ( LL ) were consistently low compared to other cultivars”
Claim · model-written summary
Cultivar Calypso had consistently low PFD ratings compared with other cultivars.
- Taxon
- CucumberCucumis sativust0
- Material
- Calypsoe5
- Outcome
- PFD ratingse5
- Direction
- lowe5
- Comparator
- other cultivarse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e5“Fruit of `Carolina' ( LL ) exhibited the highest PFD ratings, while those of `Calypso' ( LL ) were consistently low compared to other cultivars”
Claim · model-written summary
Processors can lower PFD incidence and severity by keeping moisture adequate during fruit enlargement and hydrocooling fruit before shipping and storage.
- Taxon
- CucumberCucumis sativust0
- Treatment
- ensuring that adequate moisture is available to plants during fruit enlargemente6
- Outcome
- PFD incidence and severitye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Pillowy Fruit Disorder in Cucumber”
e6“Processors can lower PFD incidence and severity by ensuring that adequate moisture is available to plants during fruit enlargement and that harvested fruit are hydrocooled before shipping and storage”
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