Rhizome extension characteristics, structure and carbon storage relationships with culms in a 10-year moso bamboo reforestation period

Li, Chong; Cai, Yue; Xiao, Longdong; Gao, Xueyan; Shi, Yongjun; Zhou, Yongqiang; Du, Huaqiang; Zhou, Guomo

doi:10.1016/j.foreco.2021.119556

Cited by 15 publications

(11 citation statements)

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“…Although a comprehensive distribution of rhizomes was di cult to obtain from sampling, the aggregated patterns of bamboo stems aboveground could offer some clues because feedbacks exist between physiologically connected rhizomes and stems. Rapid rhizome growth was usually followed by an increase in shoot size (Li et al 2021), and bamboo culms greater in DBH often had greater productivity and thus contributed to higher return in rhizome growth. The three transition interfaces in our study demonstrated different spatial distribution of rhizomes: rhizomes appeared to concentrate closer to trees in transect 2 compared to rhizomes in transects 1 and 3.…”

Section: Discussionmentioning

confidence: 99%

“…Nitrogen is crucial to increase plants' photosynthetic performance under low light conditions (Luo et al 2022), and thus translocation of nitrogen is necessary to balance carbon budget among culms within the colony, especially for young culms waiting in the understory under stronger interspeci c competition. Besides structural carbon, non-structural carbon in the form of starch and soluble sugar are also stored in bamboo stem and rhizomes (Li et al 2021). As rhizomes become denser, the storage of NSC increases accordingly.…”

Section: Discussionmentioning

confidence: 99%

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Spatial patterns of bamboo’s invasion across scales: how does bamboo interact with competing trees?

Zheng

2022

Preprint

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Contexts The invasion of fast growing Phyllostachys edulis (Moso bamboo) into forest is likely further favored by climate change, creating more transitional regions within forests. Such forest-bamboo transitional zones provide windows to look at ecological processes driving bamboo’s interaction with competing species across space. Objectives We tested the hypothesis that spatial patterns at scales of ecotone and individual stems can inform bamboo’s invasive spread and its competitive engulfing strategy, with the allocation of biomass and resources within a bamboo colony being a key life-history strategy to facilitate its spatial spread. Methods We used remote sensing imagery and field survey data to analyze the dynamics of bamboo-tree transitional boundaries in Tianmu Mountain Nature Reserve (TMNR) of southeastern China. We evaluated bamboo’s invasive spread and its allocation of resources along the transitional gradient. Results Both remote sensing and field data showed bamboo recovery and advancement into tree territories after the extensive logging of bamboo but with a slower spread compared to historical records. The spatial distributions of bamboo and tree stems were not random at their transitional interfaces and were affected by competition. Successful invasion of bamboo required close coordination between stems and rhizomes within a colony, as they served different functions in clonal integration. Conclusions Our study initiates a mechanistic, scale-dependent analysis of bamboo invasion strategies, which provides insights on how to accurately predict future bamboo distributions under climate change accounting for interspecific competition and bamboo’s clonal integration of resources.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Spatial patterns of bamboo’s invasion across scales: how does bamboo interact with competing trees?

Zheng

2022

Preprint

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“…However, exclusive reliance on parental information may fall short of accurately determining mutation sites. Previous studies have suggested that naturally growing bamboo forests within the same geographic region could be asexual reproductive populations (Jiang et al, 2017; C. Li et al, 2021), suggesting that offspring from sexually reproducing Moso bamboo in the same locale may resemble those from self-pollination. If substantiated, this observation could substantially mitigate interference resulting from an unclear parental source in the sequencing backgrounds.…”

Section: Introductionmentioning

confidence: 99%

Unveiling Elevated Spontaneous Mutation Rates inPhyllostachys edulis(Moso Bamboo) through Whole Genome Sequencing (WGS) and Investigating the Impact of Atmospheric and Room Temperature Plasma (ARTP) Induced Mutagenesis

Bai,

Ma,

Chang

et al. 2023

Preprint

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Moso bamboo, recognized for its wide distribution and economic importance, encounters challenges in varietal enhancement due to its protracted sexual reproduction cycle. This study employed whole-genome resequencing to uncover spontaneous mutations in Moso bamboo and investigated mutagenesis using atmospheric and room temperature plasma (ARTP). Through the sequencing results, we identified the population of flowering bamboo as an asexual breeding line. Notably, the flowering Moso bamboo population, exclusively derived from asexual reproduction, exhibited a high spontaneous mutation rate (4.54 × 10-4 to 1.15 × 10-3/bp) during sexual reproduction, considering parental and cross-pollination effects. Genetic disparities between offspring and parents exhibited a bimodal distribution, indicating a substantial cross-pollination rate. ARTP mutagenesis increased structural variations in offspring, while changes in SNPs and INDELs were less pronounced. Sanger sequencing validated a gene subset, providing a foundation for spontaneous mutation rate investigation via whole-genome sequencing. These insights, particularly from mutagenized offspring sequencing, contribute to Moso bamboo breeding strategies.HighlightMoso bamboo breeding revolutionized—high spontaneous mutations in asexually derived flowering population. ARTP mutagenesis boosts structural variations, shaping innovative breeding approaches.

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“…The flow pattern of NSCs in the rhizome–culm system has not been reported, especially during the special period of bamboo shoot development. In addition, as the connecting pathway between different ramets, rhizomes have been studied mainly for their growth regulation, distribution pattern, and biomass allocation, with insufficient discussion on their function, and their ability to store NSCs is also controversial [ 39 , 40 , 41 , 42 , 43 ].…”

Section: Introductionmentioning

confidence: 99%

Emerging Insights into the Roles of the Rhizome–Culm System in Bamboo Shoot Development through Analysis of Non-Structural Carbohydrate Changes

Hu,

Kong,

et al. 2023

Plants

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Non-structural carbohydrates (NSCs) required for bamboo shoot development, the critical stage that determines the yield of a bamboo stand, originate from the parent bamboo with the complex underground system. However, the metabolic mechanism of NSCs in the rhizome–culm system during bamboo shoot development remains unclear. In this study, we focused on the changes of NSCs in the rhizome–culm system and used anatomical, physiological, and biochemical methods to investigate the metabolism of NSCs in bamboo shoots of Phyllostachys edulis and the role of NSCs supply in the parent bamboo at different ages. The results showed that NSCs were accumulated and consumed from the bottom to the top in a bamboo shoot, which was consistent with the developmental pattern. The starch granules were stored in advance. The bamboo sheath stored starch from the dormant stage of shoot buds. The functions of culms and rhizomes showed age-dependent differences. Adult culms showed the highest capacity to provide NSCs, with more stored NSCs and higher β-amylase activity. Conversely, young culms seemed to prefer their growth, while old culms tended to store starch. Accordingly, adult rhizomes preferred sugar transport due to the lowest starch storage, lower ADP-glucose pyrophosphorylase (AGPase) activity, and higher β-amylase activity, while young and old rhizomes tended to prefer starch storage. These results provide a basis for further understanding of nutrient metabolism in bamboo stands.

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Rhizome extension characteristics, structure and carbon storage relationships with culms in a 10-year moso bamboo reforestation period

Cited by 15 publications

References 50 publications

Spatial patterns of bamboo’s invasion across scales: how does bamboo interact with competing trees?

Spatial patterns of bamboo’s invasion across scales: how does bamboo interact with competing trees?

Unveiling Elevated Spontaneous Mutation Rates inPhyllostachys edulis(Moso Bamboo) through Whole Genome Sequencing (WGS) and Investigating the Impact of Atmospheric and Room Temperature Plasma (ARTP) Induced Mutagenesis

Emerging Insights into the Roles of the Rhizome–Culm System in Bamboo Shoot Development through Analysis of Non-Structural Carbohydrate Changes

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