Paper · 2009 · Botany

Establishment growth and bud-bank formation in Epilobium angustifolium: the effects of nutrient availability, plant injury, and environmental heterogeneity

Jitka Klimešová; Adéla Pokorná; Leoš Klimeš

5
claims
10
verbatim quotes
13
citations
2
research areas
—
Not open access

Abstract

Plant establishment is a risky phase of the plant life cycle because juvenile individuals cannot produce seeds and their vegetative regeneration is constrained by a lack of reserve meristems and carbon storage. On the other hand, conditions in the period following establishment, during establishment growth, affect the vegetative regeneration and clonal growth of the plant in the future. Bud-bank formation was studied in a root-sprouting clonal herb Epilobium angustifolium L. (= Chamaenerion angustifolium (L.) Scop.), a plant with root buds differing in size and number of leaf primordia, during establishment growth. We tested two hypotheses: (i) large and small buds differ in their response to stress and disturbance, and (ii) a heterogeneous soil environment does not affect bud-bank formation. We rejected both hypotheses because (i) the proportion of small buds was about 80% and was not affected by nutrient availability and substrate heterogeneity, and (ii) plants produced more buds per root biomass under conditions of nutrient shortage in both homogeneous and heterogeneous substrates, but the effect was masked by lower root biomass. Thus, bud production for the whole plant was not affected by either nutrient availability or soil heterogeneity and reached 20 to 100 buds per plant.

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Claims 5

Observationobservedoriginal resultmeasured

Claim · model-written summary

Small buds comprised about 80% of buds.

Taxon
Epilobium angustifoliumChamaenerion angustifoliumt0
Organ / stage
small budse0
Outcome
proportion of small budse0
Value
80%e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Chamaenerion angustifolium
Chamaenerion angustifolium · TaxonZeynel Cebeci · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the proportion of small buds was about 80%”

✓ located verbatim in the source · abstract, characters 844–886 · show in text ↑
t0

“Epilobium angustifolium”

✓ located verbatim in the source · title, characters 47–70 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Nutrients and substrate heterogeneity did not change the small-bud proportion.

Taxon
Epilobium angustifoliumChamaenerion angustifoliumt0
Treatment
nutrient availability and substrate heterogeneitye0
Outcome
proportion of small budse0
Direction
not affectede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Chamaenerion angustifolium
Chamaenerion angustifolium · TaxonZeynel Cebeci · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the proportion of small buds was about 80% and was not affected by nutrient availability and substrate heterogeneity”

✓ located verbatim in the source · abstract, characters 844–960 · show in text ↑
t0

“Epilobium angustifolium”

✓ located verbatim in the source · title, characters 47–70 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nutrient shortage increased buds per root biomass in both substrate types.

Taxon
Epilobium angustifoliumChamaenerion angustifoliumt0
Treatment
nutrient shortagee0
Outcome
buds per root biomasse0
Direction
moree0
Setting
both homogeneous and heterogeneous substratese0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Chamaenerion angustifolium
Chamaenerion angustifolium · TaxonZeynel Cebeci · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“plants produced more buds per root biomass under conditions of nutrient shortage in both homogeneous and heterogeneous substrates”

✓ located verbatim in the source · abstract, characters 971–1100 · show in text ↑
t0

“Epilobium angustifolium”

✓ located verbatim in the source · title, characters 47–70 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Lower root biomass masked the increased bud production per root mass.

Taxon
Epilobium angustifoliumChamaenerion angustifoliumt0
Outcome
root biomasse0
Direction
lowere0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Chamaenerion angustifolium
Chamaenerion angustifolium · TaxonZeynel Cebeci · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“but the effect was masked by lower root biomass”

✓ located verbatim in the source · abstract, characters 1102–1149 · show in text ↑
t0

“Epilobium angustifolium”

✓ located verbatim in the source · title, characters 47–70 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Whole-plant bud production was unaffected by nutrient availability or soil heterogeneity.

Taxon
Epilobium angustifoliumChamaenerion angustifoliumt0
Treatment
nutrient availability or soil heterogeneitye0
Outcome
bud production for the whole plante0
Direction
not affectede0
Value
20 to 100 buds per plante0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Chamaenerion angustifolium
Chamaenerion angustifolium · TaxonZeynel Cebeci · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“bud production for the whole plant was not affected by either nutrient availability or soil heterogeneity and reached 20 to 100 buds per plant”

✓ located verbatim in the source · abstract, characters 1157–1299 · show in text ↑
t0

“Epilobium angustifolium”

✓ located verbatim in the source · title, characters 47–70 · show in text ↑