Coordination and plasticity in leaf anatomical traits of invasive and native vine species

Osunkoya, Olusegun O.; Boyne, Richard; Scharaschkin, Tanya

doi:10.3732/ajb.1400125

Cited by 24 publications

(20 citation statements)

References 50 publications

(106 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The relationship between these two features is still not too well understood, however. Godoy et al (2012) and Osunkoya et al (2014) found that invasive plant species had, albeit to a limited extent, higher integration than related native species, and Colautti and Barrett (2011) found considerable integration in the invasive plant Lithrum salicaria L., as strong genetic correlations among life-history traits constrained the divergence among invading subpopulations of this species.…”

Section: Discussionmentioning

confidence: 99%

Steep difference between ecotypes and intermediate phenotype depression for shell trait integration in a marine snail hybrid zone

Garcı́a

2016

Preprint

View full text Add to dashboard Cite

Multivariate analyses of phenotypic integration for a set of characters provide information about biological systems that cannot be obtained in univariate studies of these characters. We studied phenotypic integration for seven shell measures across the phenotypic gradient in a hybrid zone of the marine snail Littorina saxatilis in Galicia, NW Iberia. We found clear differences in the degree of integration between the two ecotypes involved in the hybrid zone, likely related to differences in the strength of natural selection acting on the snails' shells in each ecotype's habitat. We found also evidence of a decrease in integration in the phenotypically intermediate, hybrid snails, consistent with hybridization resulting in a release of multivariate variation and increased evolvability. Across the phenotypic gradient, decreases in overall integration tended to be accompanied by increases in some measures of modularity, but the latter did nor reflect high correlation structure. The increases occurred only in a proportional sense, correlations among modules tending to decrease faster than within modules for low overall integration tiers. Integration analyses based on non partial and partial correlations tended to produce contrasting results, which suggested hierarchical sources of shell integration. Given that the two ecotypes could have differentiated in situ according to a parapatric model, our results would show that changes in integration can occur in a short evolutionary time and be maintained in the presence of gene flow, and also that this gene flow could result in the hybrid release of multi character variation.

show abstract

Section: Discussionmentioning

confidence: 99%

Steep difference between ecotypes and intermediate phenotype depression for shell trait integration in a marine snail hybrid zone

Garcı́a

2016

Preprint

View full text Add to dashboard Cite

show abstract

“…Сильвопратанты равнин (группа III) отличаются от видов сухих склонов, степей и лугов (группа V) меньшими значениями диаметра черешка розеточного листа (p<0.00002) в 0,3 раза, m 1 /m (p<0.0002) в 0,9 раза, большими значениями индекса стеблевого листа (I l ) (p<0.004) в 1,1 раза, m 1 /S (p<0.04) в 1,2 раза, удельной площади стеблевого листа (SLA) (p<0.00001) в 1,3 раза. На основании того, что удельная площадь листа (SLA) связана с рядом важных адаптивных признаков [OSUNKOYA et al, 2014], предполагаем, что в условиях интродукции у сильвопратантов накапливается воды на единицу площади розеточного листа больше по сравнению с альпийцами и сильвантами, но по сравнению с первыми эффективность ее использования (WUE) в весенний период ниже, по сравнению со вторыми выше.…”

Section: сравнение эколого-морфологических параметров листа разныunclassified

“…На основании того, что сильванты отличаются от группы V также большей удельной площадью листа (SLA) разных формаций, которая отрицательно связана с устьично-поровым индексом (SPI) [OSUNKOYA et al, 2014], предполагаем, что лесные виды адаптировались к аридным условиям интродукции благодаря высокой эффективности использования энергии фотосинтеза (PEUE). Длинный черешок розеточного листа и большая площадь листа разных формаций лесных видов рода Campanula обеспечивают оптимальное улавливание света под пологом в естественных местах их произрастания.…”

Section: сравнение эколого-морфологических параметров листа разныunclassified

“…Листья большинства изученных видов опушены, что способствует их приспособлению к условиям степной зоны, исключение составляют C. baumgartenii, C. rotundifolia. Наличие большего количества эпидермальных волосков наряду с хорошо развитым столбчатым мезофиллом, малыми затратами на строительство листовых тканей (СС) способствует смягчению влияния пониженной плотности устьиц на эффективность фотосинтеза [OSUNKOYA et al, 2014]. Высокая плотность трихом повышает физиологическую эффективность листа, так как обеспечивает снижение транспирации и защиту от чрезмерного излучения [ROY et al, 1999].…”

unclassified

See 1 more Smart Citation

Eco-morphological traits of leaf of the Campanula L. species

Krokhmal¹

2015

CBJ

View full text Add to dashboard Cite

“…Other studies have demonstrated that invasive species show higher trait integration than non-invasive ones (Osunkoya et al 2014;Luo et al 2015). Trait integration (or trait coordination) is an estimation of the number of trait pairs that are significantly correlated in their response to changes in environmental conditions.…”

mentioning

confidence: 99%

Eco-physiological performance may contribute to differential success of two forms of an invasive vine, Dolichandra unguis-cati, in Australia

Buru¹,

Osunkoya²,

Dhileepan³

et al. 2019

View full text Add to dashboard Cite

Invasive plant species are hypothesized as being more efficient at resource acquisition and use, resulting in faster growth than co-occurring non-invasive plant species. Nonetheless, some findings suggest that trait differences between invasive and non-invasive species are context dependent. In this study, two forms of an invasive vine species,Dolichandraunguis-cati, were used to test the context-dependent hypothesis.Dolichandraunguis-catiis a weed of national significance in Australia with two different forms: the ‘long pod’ (LP) and ‘short pod’ (SP). The two forms have different levels of distribution on the eastern Seaboard of the continent, with the SP form occurring extensively in both States of Queensland and New South Wales while the LP form is found only in isolated sites in South-East Queensland. This study examines whether differences in eco-physiological performance could be responsible for differential success of the two forms. A partially factorial experiment was set up in controlled conditions where potted plants of both forms were grown under two levels of light, water and nutrient resources (high and low) for 15 months. We measured several traits that are known to correlate with plant performance and resource use efficiency (RUE). The SP form exhibited higher values of carbon assimilation, RUE, number of subterranean tubers and leaf nitrogen than the LP form. However, the LP form produced greater biomass than the SP form, with the difference driven mainly by high resource conditions. The LP form displayed significantly higher phenotypic integration (number of traits significantly correlated) than the SP form in response to all treatments while the SP form exhibited higher phenotypic integration than the LP form in response to high resource conditions only. The SP form displayed traits that are well suited for successful colonization, possibly explaining its increased success in Australia, while the LP form possessed traits of opportunistic plants. Overall, we find that the two forms of the weedy vine deploy different carbon economies in response to resource conditions, which is evidence of the context-dependent trait hypothesis.

show abstract

Coordination and plasticity in leaf anatomical traits of invasive and native vine species

Cited by 24 publications

References 50 publications

Steep difference between ecotypes and intermediate phenotype depression for shell trait integration in a marine snail hybrid zone

Steep difference between ecotypes and intermediate phenotype depression for shell trait integration in a marine snail hybrid zone

Eco-morphological traits of leaf of the Campanula L. species

Eco-physiological performance may contribute to differential success of two forms of an invasive vine, Dolichandra unguis-cati, in Australia

Contact Info

Product

Resources

About