Abstract
Abstract Two series of field trials were performed at three sites in Schleswig‐Holstein between 1981 and 1988 to inquire into the yield structure of European winter types of Vicia faba L. and to compare their yield potential with that of spring types. Due to low winter survival, 6 winter types could be evaluated only in 4 environments in dependence of 1–3 sowing times (series α : seed rate 30/m 2 ) and 1 winter type in 5 environments in dependence of 3 sowing times and 3 seed rates (series β : seed rate 15, 30, 45/m 2 ). Seed yield of winter type averaged 410 g/m 2 (D.M.) surpassing spring types by about 14 %. Environments caused a considerable variation in yield (275–620 g/m 2 ) and in each yield component of winter types, while sowing dates and seed rates hardly affected the components seeds/pod and seed weight, which displayed stable genotypic rank orders. Compensative forces among the components plants/m 2 , tillers/plant and pods/tiller, were established. Plant densities of less than 10/m 2 in spring, generally led to seed yield below 350 g/m 2 . Variation between 15–30 plants/m 2 due to environments, sowing times or seed rates were frequently not fully compensated by tillering of plants, but often variation of the thus formed yield potential was reduced by pod set of tillers resulting in 210–270 pods/m 2 . The direction of correlations of pods/tillers with tillers/plant and plants/m 2 differed due to experimental conditions whereas negative correlations between pods/tiller and tillers/ m 2 were generally evident. Tillering was significantly influenced by the sowing time, though the increase because of early sowing was often covered by compensative effects of different plant densities. A genotypic capability to produce reproductive tillers was demonstrated using an approach which considered different plant densities and compensative forces. Neither a genotypic capability of tillers to set pods nor direct effects of environments or sowing time on pod set were established.
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Claims 17
Claim · model-written summary
Seed yield of winter-type faba beans averaged 410 g/m2 (dry matter), about 14% above spring types.
- Taxon
- Vicia faba L.
Vicia fabae0 - Outcome
- Seed yield of winter typee1
- Direction
- surpassinge1
- Value
- 410 g/m 2e1
- Qualifier
- about 14 %e1
- Comparator
- spring typese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Seed yield of winter type averaged 410 g/m 2 (D.M.) surpassing spring types by about 14 %”
Claim · model-written summary
Environments caused considerable variation in seed yield of winter faba beans, ranging from 275 to 620 g/m2.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- variation in yielde1
- Value
- 275–620 g/m 2e1
- Qualifier
- Environmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Environments caused a considerable variation in yield (275–620 g/m 2”
Claim · model-written summary
Environments also caused considerable variation in each yield component of winter faba beans.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- each yield componente1
- Qualifier
- Environmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Environments caused a considerable variation in yield (275–620 g/m 2 ) and in each yield component of winter types”
Claim · model-written summary
Sowing dates hardly affected the yield components seeds per pod and seed weight in winter faba beans.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- sowing datese1
- Outcome
- seeds/pod and seed weighte1
- Direction
- hardly affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“sowing dates and seed rates hardly affected the components seeds/pod and seed weight”
Claim · model-written summary
Seed rates hardly affected the yield components seeds per pod and seed weight in winter faba beans.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- seed ratese1
- Outcome
- seeds/pod and seed weighte1
- Direction
- hardly affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“sowing dates and seed rates hardly affected the components seeds/pod and seed weight”
Claim · model-written summary
Seeds per pod and seed weight displayed stable genotypic rank orders.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- stable genotypic rank orderse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“which displayed stable genotypic rank orders”
Claim · model-written summary
Compensative forces among the yield components plants/m2, tillers/plant and pods/tiller were established.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- Compensative forcese1
- Qualifier
- plants/m 2 , tillers/plant and pods/tillere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Compensative forces among the components plants/m 2 , tillers/plant and pods/tiller, were established”
Claim · model-written summary
Plant densities below 10/m2 in spring generally led to seed yield below 350 g/m2.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- Plant densities of less than 10/m 2 in springe1
- Outcome
- seed yielde1
- Direction
- belowe1
- Value
- 350 g/m 2e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Plant densities of less than 10/m 2 in spring, generally led to seed yield below 350 g/m 2”
Claim · model-written summary
Variation in plant density between 15 and 30 plants/m2 due to environments, sowing times or seed rates was frequently not fully compensated by tillering of plants.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- compensated by tillering of plantse1
- Qualifier
- frequently not fullye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Variation between 15–30 plants/m 2 due to environments, sowing times or seed rates were frequently not fully compensated by tillering of plants”
Claim · model-written summary
Variation of the formed yield potential was often reduced by pod set of tillers, resulting in 210-270 pods/m2.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- variation of the thus formed yield potentiale1
- Direction
- reducede1
- Value
- 210–270 pods/m 2e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“variation of the thus formed yield potential was reduced by pod set of tillers resulting in 210–270 pods/m 2”
Claim · model-written summary
The direction of correlations of pods/tillers with tillers/plant and plants/m2 differed depending on experimental conditions.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- direction of correlations of pods/tillers with tillers/plant and plants/m 2e1
- Qualifier
- differed due to experimental conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“The direction of correlations of pods/tillers with tillers/plant and plants/m 2 differed due to experimental conditions”
Claim · model-written summary
Negative correlations between pods/tiller and tillers/m2 were generally evident.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- negative correlations between pods/tiller and tillers/ m 2e1
- Qualifier
- generally evidente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“negative correlations between pods/tiller and tillers/ m 2 were generally evident”
Claim · model-written summary
Tillering was significantly influenced by sowing time; the increase from early sowing was often covered by compensative effects of different plant densities.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- sowing timee1
- Outcome
- Tilleringe1
- Direction
- increasee1
- Qualifier
- often covered by compensative effects of different plant densitiese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Tillering was significantly influenced by the sowing time, though the increase because of early sowing was often covered by compensative effects of different plant densities”
Claim · model-written summary
A genotypic capability to produce reproductive tillers was demonstrated.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- genotypic capability to produce reproductive tillerse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“A genotypic capability to produce reproductive tillers was demonstrated”
Claim · model-written summary
No genotypic capability of tillers to set pods was established.
- Taxon
- Vicia faba L.Vicia fabae0
- Outcome
- genotypic capability of tillers to set podse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Neither a genotypic capability of tillers to set pods nor direct effects of environments or sowing time on pod set were established”
Claim · model-written summary
No direct effect of environments on pod set was established.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- environmentse1
- Outcome
- pod sete1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Neither a genotypic capability of tillers to set pods nor direct effects of environments or sowing time on pod set were established”
Claim · model-written summary
No direct effect of sowing time on pod set was established.
- Taxon
- Vicia faba L.Vicia fabae0
- Treatment
- sowing timee1
- Outcome
- pod sete1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vicia faba L.”
e1“Neither a genotypic capability of tillers to set pods nor direct effects of environments or sowing time on pod set were established”
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See all 57 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.