Abstract
Summary Incidences of pollination and fertilization were determined and the development of seeds was monitored in spring beans over 2 years. Plant density was varied in the 1st year and irrigation in the 2nd. The incidences of pollination, fertilization and seed development were all independent of plant density. The proportion of ovules that developed as seeds was slightly enhanced in irrigated plots as losses from abortion and from lack of fertilization within fertilized ovaries were both reduced. Autofertility, or spontaneous self-pollination leading to fertilization, led to an increase in the overall incidence of fertilization. Three autofertile stocks were up to 11% more pollinated and fertilized than two partly autofertile ones which, in turn, were up to 20% more than two non-autofertile, long-podded stocks. A closed-flower population was 30% less fertilized than the long pods and was insufficiently autofertile to allow an adequate number of pods to set on the lower flowering nodes. Three stocks, one autofertile, one with terminal inflorescences ( ti ) and the third with both characters, were subject to particularly high losses of fertilized ovules from abortion, 27–35%, while few ovules, 12% or less, aborted in closed flowers and long pods. Failure of seeds to mature in long pods was associated primarily with the low proportion of ovules fertilized within fertilized flowers, rather than with abortion of the fertilized ovules.
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Claims 11
Claim · model-written summary
Pollination, fertilization and seed development were independent of plant density.
- Taxon
- Vicia faba L.
Vicia fabat0 - Treatment
- plant densitye0
- Outcome
- incidences of pollination, fertilization and seed developmente0
- Direction
- independente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The incidences of pollination, fertilization and seed development were all independent of plant density”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Irrigation slightly increased the proportion of ovules developing as seeds.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- irrigated plotse0
- Outcome
- proportion of ovules that developed as seedse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The proportion of ovules that developed as seeds was slightly enhanced in irrigated plots”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Irrigation reduced abortion and lack of fertilization in fertilized ovaries.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- irrigated plotse1
- Outcome
- losses from abortion and from lack of fertilization within fertilized ovariese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“losses from abortion and from lack of fertilization within fertilized ovaries were both reduced”
e1“irrigated plots”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Autofertility increased overall fertilization incidence.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- Autofertilitye0
- Outcome
- overall incidence of fertilizatione0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Autofertility, or spontaneous self-pollination leading to fertilization, led to an increase in the overall incidence of fertilization”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Three autofertile stocks were up to 11% more pollinated and fertilized than partly autofertile stocks.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- autofertile stockse0
- Outcome
- pollinated and fertilizede0
- Direction
- moree0
- Value
- 11%e0
- Comparator
- partly autofertile onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three autofertile stocks were up to 11% more pollinated and fertilized than two partly autofertile ones”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Partly autofertile stocks were up to 20% more pollinated and fertilized than non-autofertile long-podded stocks.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- partly autofertile onese0
- Outcome
- pollinated and fertilizede1
- Direction
- moree0
- Value
- 20%e0
- Comparator
- non-autofertile, long-podded stockse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two partly autofertile ones which, in turn, were up to 20% more than two non-autofertile, long-podded stocks”
e1“more pollinated and fertilized”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Closed-flower plants had 30% less fertilization than long-podded stocks.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- closed-flower populatione0
- Outcome
- fertilizede0
- Direction
- lesse0
- Value
- 30%e0
- Comparator
- long podse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A closed-flower population was 30% less fertilized than the long pods”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Closed-flower autofertility was insufficient for adequate lower-node pod set.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- closed-flower populatione1
- Outcome
- adequate number of pods to set on the lower flowering nodese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“was insufficiently autofertile to allow an adequate number of pods to set on the lower flowering nodes”
e1“closed-flower population”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Three specified stocks lost 27–35% of fertilized ovules through abortion.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- Three stockse0
- Outcome
- losses of fertilized ovules from abortione0
- Direction
- highe0
- Value
- 27–35%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three stocks, one autofertile, one with terminal inflorescences ( ti ) and the third with both characters, were subject to particularly high losses of fertilized ovules from abortion, 27–35%”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
At most 12% of ovules aborted in closed flowers and long pods.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- closed flowers and long podse0
- Outcome
- aborted in closed flowers and long podse0
- Value
- 12% or lesse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“few ovules, 12% or less, aborted in closed flowers and long pods”
t0“spring field beans (Vicia faba L.)”
Claim · model-written summary
Failure of long-pod seeds to mature was associated mainly with low ovule fertilization.
- Taxon
- Vicia faba L.Vicia fabat0
- Material
- long podse0
- Outcome
- Failure of seeds to maturee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Failure of seeds to mature in long pods was associated primarily with the low proportion of ovules fertilized within fertilized flowers, rather than with abortion of the fertilized ovules”
t0“spring field beans (Vicia faba L.)”
The same questions in other papers
density · growth · Vicia faba (faba bean)Positive and negative results
3 papers in the same direction as this paper · 10 in the opposite direction
- positive
- positive
- positive
10 papers more in this group
See all 14 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.