Abstract
Abstract No significant differences in bean seed yield of field grown ‘Dark Red Kidney’ beans were observed in plants treated at the green or white bud stage or in full bloom with (2-chloroethyl)phosphonic acid (ethephon) at concentrations ranging from 300 to 2400 ppm. Plants treated with 300 and 600 ppm ethephon produced and retained more flowers and matured 7-10 days earlier than untreated plants. Treatment with 1200 and 2400 ppm reduced flower production and delayed pod maturity.
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Claims 5
Claim · model-written summary
Ethephon did not significantly change bean seed yield across stated stages and concentrations.
- Taxon
- beanse0
- Material
- ‘Dark Red Kidney’e0
- Treatment
- (2-chloroethyl)phosphonic acid (ethephon) at concentrations ranging from 300 to 2400 ppme0
- Outcome
- bean seed yielde0
- Direction
- No significant differencese0
- Setting
- field growne0
Not reportedComparator
Verbatim
e0“No significant differences in bean seed yield of field grown ‘Dark Red Kidney’ beans were observed in plants treated at the green or white bud stage or in full bloom with (2-chloroethyl)phosphonic acid (ethephon) at concentrations ranging from 300 to 2400 ppm.”
Claim · model-written summary
The lower ethephon doses increased flower production and retention.
Verbatim
e0“Plants treated with 300 and 600 ppm ethephon produced and retained more flowers and matured 7-10 days earlier than untreated plants.”
e1“bean seed yield of field grown ‘Dark Red Kidney’ beans”
Claim · model-written summary
The lower ethephon doses advanced maturity by 7–10 days.
Verbatim
e0“Plants treated with 300 and 600 ppm ethephon produced and retained more flowers and matured 7-10 days earlier than untreated plants.”
e1“bean seed yield of field grown ‘Dark Red Kidney’ beans”
Claim · model-written summary
Higher ethephon doses reduced flower production.
Not reportedComparator
Verbatim
e0“Treatment with 1200 and 2400 ppm reduced flower production and delayed pod maturity.”
e1“bean seed yield of field grown ‘Dark Red Kidney’ beans”
Claim · model-written summary
Higher ethephon doses delayed pod maturity.
Not reportedComparator
Verbatim
e0“Treatment with 1200 and 2400 ppm reduced flower production and delayed pod maturity.”
e1“bean seed yield of field grown ‘Dark Red Kidney’ beans”
The same questions in other papers
(2-chloroethyl)phosphonic acid · yield · Phaseolus vulgaris (common bean)Results differ
2 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
4 papers more in this group
See all 8 papers →phosphonic acid · yield · Phaseolus vulgaris (common bean)Positive and negative results
1 in the opposite direction
- positive
2-chloroethyl group · yield · Phaseolus vulgaris (common bean)Positive and negative results
1 in the opposite direction
- 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.