Biomass allocation, morphology and photosynthesis of invasive and noninvasive exotic species grown at four irradiance levels

Feng, Yu‐Long; Wang, Junfeng; Sang, Weiguo

doi:10.1016/j.actao.2006.03.009

Cited by 118 publications

(105 citation statements)

References 36 publications

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“…The higher P max and PNUE of the invaders supported the above prediction. Feng et al (2007c) found that P max is positively correlated with net assimilation rate, which is another factor influencing RGR (Goodger et al 2006;Shipley 2006). Pattison et al (1998) found that P max is positively correlated with RGR.…”

Section: Discussionmentioning

confidence: 95%

“…In addition, most studies found that invasive species have higher SLA than their cooccurring native species (Daehler 2003). The higher SLA of the studied invaders may translate to a higher RGR compared to their respective noninvasive congeners, as SLA is the most important determinant of RGR, especially at low irradiance (Shipley 2006;Feng et al 2007c). The higher P max and PNUE of the invaders supported the above prediction.…”

Section: Discussionmentioning

confidence: 96%

“…With this approach, it has been found that invasive species have higher relative growth rate (RGR) and SLA than their noninvasive alien congeners (Grotkopp et al 2002;Burns 2004Burns , 2006Grotkopp and Rejmánek 2007). However, the higher RGR and SLA were not found for invasive species when compared with phylogenetically unrelated noninvasive alien species (Smith and Knapp 2001;Feng et al 2007c), indicating again the importance of the relatedness of the compared invasive and noninvasive alien species. SLA is associated with N allocation to photosynthesis.…”

Section: Introductionmentioning

confidence: 92%

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Specific leaf area relates to the differences in leaf construction cost, photosynthesis, nitrogen allocation, and use efficiencies between invasive and noninvasive alien congeners

Feng

Zheng

2008

Planta

130

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Comparisons between invasive and native species may not characterize the traits of invasive species, as native species might be invasive elsewhere if they were introduced. In this study, invasive Oxalis corymbosa and Peperomia pellucida were compared with their respective noninvasive alien congeners. We hypothesized that the invasive species have higher specific leaf (SLA) than their respective noninvasive alien congeners, and analyzed the physiological and ecological consequences of the higher SLA. Higher SLA was indeed the most important trait for the two invaders, which was associated with their lower leaf construction cost, higher nitrogen (N) allocation to photosynthesis and photosynthetic N use efficiency (PNUE). The higher N allocation to photosynthesis of the invaders in turn increased their PNUE, N content in photosynthesis, biochemical capacity for photosynthesis, and therefore light-saturated photosynthetic rate. The above resource capture-, use- and growth-related traits may facilitate the two invaders' invasion, while further comparative studies on a wider range of invasive and noninvasive congeners are needed to understand the generality of this pattern and to fully assess the competitive advantages afforded by these traits.

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Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 92%

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Specific leaf area relates to the differences in leaf construction cost, photosynthesis, nitrogen allocation, and use efficiencies between invasive and noninvasive alien congeners

Feng

Zheng

2008

Planta

130

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“…The influential trade-off hypothesis (Smith and Huston 1989) predicts that drought has stronger impacts on individuals of a species grown in deep shade than on those under higher irradiance. Compared with plant grown at higher irradiance, shaded-plant generally has a higher specific leaf area (SLA) and invests more biomass to leaves but less to roots for efficient light capture (Poorter 1999;Feng et al 2007;Franck et al 2007), which might decrease its drought tolerant ability. According to above-ground facilitation hypothesis (Holmgren 2000) shade decreases leaf and air temperature, leaf-to-air vapour pressure deficit (Ishida et al 1999), oxidative stress, and therefore can reduce the impacts of drought on growth and photosynthesis (Valladare and Pearcy 1997).…”

Section: Introductionmentioning

confidence: 99%

The combined effects of soil moisture and irradiance on growth, biomass allocation, morphology and photosynthesis in Amomum villosum

Feng

2007

Agroforest Syst

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Amomum villosum grown in the traditional way for economic purpose in Xishuangbanna, southwest China, causes some damages to the local tropical seasonal rain forests. It is important to evaluate the effects of irradiance and soil moisture on A. villosum in order to find out ways to maintain the local forest ecosystems on the one hand and to promote its economic cultivation with agroforestry practices on the other hand. Soil moisture was the main determinant of plant growth. Seedling height, leaf number and area, biomass, relative growth rate (RGR) and net assimilation rate decreased significantly with the decrease of soil moisture. There were no interactions between soil moisture and irradiance on all the plant traits evaluated in this study. The effects of soil moisture and irradiance were orthogonal; drought reduced RGR at a similar degree at all irradiance levels. The plant can acclimate to high irradiance combined with low soil moisture. Under this condition, A. villosum modified its biomass allocation in favor to roots rather than to leaves so that whole-plant level water balance could be well maintained. Furthermore, many small-sized slender leaves were formed to facilitate leaf thermal loss, its carotenoid content increased in favor for photoprotection, and contents of chlorophyll and lightharvesting complex of photosystem II decreased so that its irradiance interception was better balanced for plant adaptation. Our results indicated that soil moisture is a more important factor to concern than irradiance when planting A. villosum in agroforestry practices and that A. villosum can be grown in high light habitats such as secondary forests and artificial forests when soil moisture is adequate.

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“…Shifts in biomass allocation patterns may result in restricted shade tolerance by reducing specific leaf area [15], decreased allocation to structures reducing plant height [16,17], and/or inhibited photosynthetic capacity by reducing leaf mass per unit area [18]. Former studies demonstrated that soil microbial community elicited shifts in biomass allocation patterns [19,20].…”

mentioning

confidence: 99%

Soil fungi of three native tree species inhibit biomass production and shift biomass allocation of invasive Mikania micrantha Kunth

Gao

Zan

et al. 2012

Chin. Sci. Bull.

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Soil microbes contribute to native plant species successful resistance against invasive plant. Three native tree species, Heteropanax fragrans (HF), Cinnamomum burmanii (CB), and Macaranga tanarius (MT) were effective in controlling the notorious invasive vine Mikania micrantha (MM). Biomass production and allocation patterns (shoot/root biomass ratio (shoot/root)) are important indicators of MM climbing coverage and competitive light-capturing capacity. An investigation was conducted to test the role of soil microbes associated with the three native tree species to inhibit MM biomass production and shift MM shoot/root. Rhizosphere soils originating from preculture HF, CB, MT, and MM plots were collected separately for use as inocula. The inocula were mixed with sterilized river sand at a 1 : 9 (w/w) ratio to grow MM. The fungicide carbendazim (methyl benzimidazol-2-ylcarbamate) was applied to half the treatments to kill pathogenic soil fungi. Two nutrient levels were established based on the natural soil nutrient concentration from a field stand invaded by MM. MM were grown from seeds in a glasshouse, harvested 15 weeks after sowing, and separated into shoot and root portions. Results showed that under interaction of soil origin and nutrient levels, MM biomass production was unchanged, but biomass allocation patterns were significantly different. MM biomass production grown in the three native tree soils under two nutrient levels was similar or higher than MM biomass production in MM conspecific soil, indicating the absence of species-specific pathogens that inhibited MM biomass production in native tree soils. However, in both conspecific and tree soils, MM biomass production was significantly reduced in the presence of pathogenic soil fungi, i.e. MM experienced significant fungal inhibition, demonstrating the pathogenic soil fungi promoted native tree resistence to MM. MM exhibited decreased shoot biomass allocation when cultivated in native tree soil relative to MM conspecific soil under field stand nutrient level conditions. Reduced resource allocation to shoot biomass could result in diminished capacity to climb, cover, and subsequent smother to native trees, and reduced surface area exposed to available light. Following fungicide application, significant biomass allocation differences disappeared, suggesting the native tree soil fungi were responsible for decreasing MM shoot biomass. The overall results indicated tree soil fungi serve an integral role in controlling invasive MM through fungal inhibition on MM biomass production, and shifts in MM biomass allocation patterns. biological control, biotic resistance, Cinnamomum burmanii, Heteropanax fragrans, invasion ecology, Macaranga tanarius, Mikania micrantha, nutrient levels, pathogenic fungi Citation:Gao L, Zan Q J, Li M G, et al. Soil fungi of three native tree species inhibit biomass production and shift biomass allocation of invasive Mikania micrantha Kunth. Chin Sci Bull, 2013, 58: 758765,

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Biomass allocation, morphology and photosynthesis of invasive and noninvasive exotic species grown at four irradiance levels

Cited by 118 publications

References 36 publications

Specific leaf area relates to the differences in leaf construction cost, photosynthesis, nitrogen allocation, and use efficiencies between invasive and noninvasive alien congeners

Specific leaf area relates to the differences in leaf construction cost, photosynthesis, nitrogen allocation, and use efficiencies between invasive and noninvasive alien congeners

The combined effects of soil moisture and irradiance on growth, biomass allocation, morphology and photosynthesis in Amomum villosum

Soil fungi of three native tree species inhibit biomass production and shift biomass allocation of invasive Mikania micrantha Kunth

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