How do montane plants manage to survive? Inferring from non-structural carbohydrates

Chen, Wensheng; Ding, Huihui; Li, Jiangrong; Fu, Fangwei; Li, Yueyao; Xiao, Siying; Xü, Dong; Lu, Jie; Jiangping, Fang

doi:10.1007/s00468-022-02351-8

Cited by 10 publications

(5 citation statements)

References 50 publications

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“…(Marshall 1985;Pallardy 2008a, b). Our results agree with previous research where decreasing growth-limiting factors reduced the concentration of soluble NSC to use that carbon for structural growth (Peng et al 2021;Chen et al 2022). On the other hand, while treatments with growth restrictions showed a higher concentration of soluble NSC (mg glucose per 100g of fresh weight), treatments without growth restrictions showed almost three times more biomass, leading to a higher total content of soluble NSC (total mg of glucose per seedling) (Tables 3 and 5).…”

Section: Effect Of Container Volume On Morphological Variables and Qu...supporting

confidence: 93%

Effect of fertilization and container size on the quality of “Sangre de Drago” (Croton urucurana Baill.) seedlings in a plug + 1 production system.

Martín¹,

Castro

Gabriel

et al. 2023

Preprint

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“Sangre de Drago” (Croton urucurana Baill.) is a native tree of South America with high value for urban afforestation or the restoration of riparian forests. This study aimed to evaluate the effect of container size and fertilization on the quality of seedlings produced in a plug+1 system. In the establishment phase, the impact of container size (110 mL or 250 mL) and fertilization (with or without) on seedling quality were evaluated before transplanting into bigger containers. In the rapid growth phase, the effect of container size (1 L, 1.5 L, and 3.5 L) on survival and seedling quality was evaluated. At the end of each phase, seedling quality was evaluated through morphological and physiological attributes. Data were analyzed through linear models, generalized linear models, and nonlinear regressions. In the establishment phase, seedlings grown in 250 mL containers with fertilization showed the best performance in morphological and physiological variables and the Dickson quality index. In the rapid growth phase, seedlings grown in 3.5 L containers showed the highest values in total height, stem diameter, total dry weight, Dickson quality index, and the lowest mortality at the end of the experiment. We recommended 250 mL containers with fertilization in the establishment phase until the seedling can be lifted with its intact root ball. We then transplant it into 3.5 L containers for the rapid growth and hardening phases until out-planting.

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Section: Effect Of Container Volume On Morphological Variables and Qu...supporting

confidence: 93%

Effect of fertilization and container size on the quality of “Sangre de Drago” (Croton urucurana Baill.) seedlings in a plug + 1 production system.

Martín¹,

Castro

Gabriel

et al. 2023

Preprint

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show abstract

“…Therefore, plant nutrients may enhance osmotic pressure in plant organs. This finding is congruent with the findings of Chen for 12 kinds of woody plants in various vertical climate zones of Sygera Mountains [16].…”

Section: Plant Nutrition and Frost Resistancesupporting

confidence: 92%

“…In the leaves, branches, and roots of five woody plants, the sample determination primarily analyzes MDA, H 2 O 2 , Pro, POD, SOD, soluble sugar, and starch. MDA concentration was determined using the thiobarbituric acid colorimetric method [28]; pro concentration was determined using the ninhydrin colorimetric method [29]; starch and soluble sugar concentrations were determined using the anthrone sulfate method [16]; H 2 O 2 concentration was determined using the built-in biological kit method [30]; and the activities of POD (EC 1.11.1.7) and SOD (EC1.15.1.1) were determined in accordance with the method of Giannopolitis and Ries (1977) [31]. Elemental analyzer method (Vario EL cube CHNOS Elemental Analyzer, Elementar Analysensysteme GmbH, Hanau, Germany) was used to determine the C and N contents in various plant organs and HNO 3 -H 2 O 2 digestion-ICP-OES method (iCAP 6300 ICP-OES Spectrometer, Thermo Fisher, USA) was used to determine the P and K contents in various plant organs [16].…”

Section: Biochemical Parametersmentioning

confidence: 99%

“…smithii was higher than that of S. saltuaria and other shrubs, the root organs of Abies georgei var. smithii experienced a more severe "cold foot effect" during the non-growing season [8,16], which increased the degree of cell damage.…”

Section: Membrane Metabolites and Cold Resistance Of Plantsmentioning

confidence: 99%

“…Non-climatic factors, such as nutrient usage [13], biological interactions [14], and land-use patterns [15], influence alpine treeline species, in addition to meteorological constraints. After plateau plants are subjected to environmental stress, organs such as leaves, branches, and roots could clearly reflect the effect of low temperature on plant growth and development [16]. Meanwhile, their physiologically active substances, such as antioxidants and antioxidant enzyme activities, are closely related to plant stress resistance [17].…”

Section: Introductionmentioning

confidence: 99%

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Physiological Characteristics and Cold Resistance of Five Woody Plants in Treeline Ecotone of Sygera Mountains

Ding

Chen

et al. 2023

Sustainability

Self Cite

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Investigating the distribution of internal physiological indicators and the cold resistance of woody plants in the alpine treeline ecotone is of great ecological importance to explain the mechanism of alpine treeline formation. Less research has been conducted on the cold resistance mechanisms of alpine treeline woody plants than on commercial crops. In this paper, five different tree species in the alpine treeline ecotone of the Sygera Mountains were used as the research objects and the leaves, branches, and roots of 19 woody plants were collected in the non-growing season (November) of 2019. Their non-structural carbohydrate content (soluble sugar and starch), malondialdehyde, hydrogen peroxide (H2O2), proline, superoxide dismutase, and peroxidase levels were measured. The contents of C, N, P, and K elements were analyzed, along with the distribution characteristics of physiological indices and organs of various woody plants and their relationship to plant nutrients. Results showed that the MDA (5.46 ± 1.95 μg·g−1) and H2O2 (4.11 ± 0.76 mmol·g−1) of tree root organs and the MDA (3.03 ± 2.05 μg·g−1) and H2O2 (4.25 ± 1.03 mmol·g−1) of shrub leaf organs were higher than those of other organs, indicating that under the stress of low temperatures, the root organ of arbor species and the leaf organ of shrub species experienced the most damage. Osmotic substances, particularly soluble sugars, play a crucial role in the response of the woody plants in Sygera Mountains to low-temperature stress. Plant nutrients could enhance plant stress resistance by further activating the activity of the antioxidant system and increasing the synthesis of osmotic substances. This study hypothesized that the stress on the root organs of the arbor species in the treeline ecotone may not be repaired in time, which may be a key mechanism for the formation of the alpine treeline in the Sygera Mountains.

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Correlations and stoichiometric characteristics of C, N, and P contents in Juniperus saltuaria plants, litter, and soil in the Sygera Mountains, southeastern Xizang, China

Guo,

Li,

et al. 2024

J. Mt. Sci.

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How do montane plants manage to survive? Inferring from non-structural carbohydrates

Cited by 10 publications

References 50 publications

Effect of fertilization and container size on the quality of “Sangre de Drago” (Croton urucurana Baill.) seedlings in a plug + 1 production system.

Effect of fertilization and container size on the quality of “Sangre de Drago” (Croton urucurana Baill.) seedlings in a plug + 1 production system.

Physiological Characteristics and Cold Resistance of Five Woody Plants in Treeline Ecotone of Sygera Mountains

Correlations and stoichiometric characteristics of C, N, and P contents in Juniperus saltuaria plants, litter, and soil in the Sygera Mountains, southeastern Xizang, China

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