Abstract
Abstract Aqueous solutions of 2-chloroethylphosphonic acid (Ethrel) at concn of 120 ppm were applied twice at 48 hr intervals to monoecious cucumber plants having either 1, 2, 3, 4, 6, 8, 10, or 12 true leaves. Slight checks in plant growth were noted at treatments through the 6th leaf. Plants treated at either the 8th, 10th, or 12th leaf were severely checked in growth and pistillate flowers open at time of treatment and developing floral primordia aborted within a week; however, all treated plants recovered and flowering resumed 15-18 days after treatment. Ethrel treatment, regardless of time of application, resulted in increased no. of pistillate flowers, concentrated pistillate flower production, and a significant reduction in the no. of staminate flowers.
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Claims 6
Claim · model-written summary
Ethrel treatment through the sixth leaf slightly checked cucumber growth.
- Taxon
- Cucumber
Cucumis sativust0 - Treatment
- treatments through the 6th leafe0
- Outcome
- plant growthe0
- Direction
- Slight checkse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“Slight checks in plant growth were noted at treatments through the 6th leaf”
Claim · model-written summary
Ethrel treatment at the eighth, tenth, or twelfth leaf severely checked cucumber growth.
- Taxon
- CucumberCucumis sativust0
- Treatment
- treated at either the 8th, 10th, or 12th leafe0
- Outcome
- growthe0
- Direction
- severely checkede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“Plants treated at either the 8th, 10th, or 12th leaf were severely checked in growth”
Claim · model-written summary
After later stage Ethrel treatment, open pistillate flowers and developing floral primordia aborted within a week.
- Taxon
- CucumberCucumis sativust0
- Treatment
- treated at either the 8th, 10th, or 12th leafe0
- Outcome
- pistillate flowers open at time of treatment and developing floral primordia abortede0
- Qualifier
- within a weeke0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“Plants treated at either the 8th, 10th, or 12th leaf were severely checked in growth and pistillate flowers open at time of treatment and developing floral primordia aborted within a week”
Claim · model-written summary
All treated cucumber plants recovered and flowering resumed 15-18 days after treatment.
- Taxon
- CucumberCucumis sativust0
- Outcome
- flowering resumede0
- Value
- 15-18 dayse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“all treated plants recovered and flowering resumed 15-18 days after treatment”
Claim · model-written summary
Ethrel increased and concentrated pistillate flower production regardless of application time.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Ethrel treatmente0
- Outcome
- no. of pistillate flowers, concentrated pistillate flower productione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“Ethrel treatment, regardless of time of application, resulted in increased no. of pistillate flowers, concentrated pistillate flower production”
Claim · model-written summary
Ethrel significantly reduced staminate flower number.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Ethrel treatmente0
- Outcome
- no. of staminate flowerse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“Ethrel treatment, regardless of time of application, resulted in increased no. of pistillate flowers, concentrated pistillate flower production, and a significant reduction in the no. of staminate flowers”
The same questions in other papers
(2-chloroethyl)phosphonic acid · yield · Cucumis sativus (cucumber)Results differ
14 papers in the same direction as this paper · 3 in the opposite direction
- negative
- no effect
- no effect
14 papers more in this group
See all 18 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.