Response of Tuber melanosporum fruiting to canopy opening in a Pinus-Quercus forest

García-Barreda, Sergi; Reyna, Santiago

doi:10.1016/j.ecoleng.2012.12.006

Cited by 10 publications

(10 citation statements)

References 14 publications

(16 reference statements)

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“…As such, it is concluded that a lack of natural T. melanosporum populations in the UK and areas with a similar sub-optimal climatic profile is a factor of sub-optimal conditions for ascocarp formation and maturation. The initiation of ascocarps generally occurs in the spring and summer months and previous work has suggested that irradiance and soil temperature may be important fruiting triggers [12]. In conjunction with the data presented here, it is suggested that it is summer climactic parameters that are acting as fruiting triggers.…”

Section: Discussionsupporting

confidence: 78%

“…However, other data indicate that climatically-derived fruiting triggers are important in influencing climatic preferences for this species. For example, ascocarp production in natural stands is reduced as a dense canopy develops, leading to the assumption that climatic factors influencing irradiance and soil temperature may be important fruiting triggers [12]. In the absence of suitable climatically-derived fruiting triggers, ascocarps may not be produced.…”

Section: Introductionmentioning

confidence: 99%

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Tuber melanosporum spread within sub-optimal climatic zones is controlled by fruiting triggers and not mycorrhiza survival

Thomas

2014

Acta Mycol

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Tuber melanosporum is the most valuable of all cultivatable truffle species. Farming of this species spans every continent with the exception of Antarctica. Tuber aestivum (syn. T. uncinatum) and Tuber brumale are truffle species that have similar host plant preference and a similar affinity for calcareous soils as T. melanosporum, but occur over a broader geographic zone. The geographic limit of T. melanosporum is thought to be climatically dictated but it is not known whether this is due to an impact on mycorrhizal survival or climatically-derived fruiting triggers. Here, data is compiled from five cultivated research sites in the climatically sub-optimal conditions of the UK in order to address this question. Here we show:(i)Tuber melanosporum mycorrhiza can survive and grow in sub-optimal climatic conditions.(ii)It is climatically-derived fruiting triggers and not ectomycorrhiza survival that dictate the climatic preferences and geographic spread of T. melanosporum.(iii)Important climatic parameters for potential fruiting triggers are sunshine hours, summer rainfall and summer temperatures. The data presented here not only aid our understanding of the ecological parameters of T. melanosporum but also have a practical application for truffle cultivators in choosing suitable locations for a plantation.

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Section: Discussionsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Tuber melanosporum spread within sub-optimal climatic zones is controlled by fruiting triggers and not mycorrhiza survival

Thomas

2014

Acta Mycol

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“…The characterization and understanding of historical changes is important for understanding future trends. Predicting that future trend is challenging [17] due to complex vegetation-climate interactions [18], as well as delayed responses of vegetation growth to climate changes [19]. A few studies [11,17,20,21] have performed trend analysis using the Hurst exponent, which characterizes the autocorrelation of time series or index of long-range dependence.…”

Section: Introductionmentioning

confidence: 99%

“…However, they have not been used for studying vegetation-climate relationships, especially for different seasons. Compared to nonlinear methods, the simple-slope analysis and Johnson-Neyman technique have the advantage of being able to more directly and robustly capture the detailed interactions of climatic factors on vegetation growth [17,18,35]. Another important factor to be considered is global climate change.…”

Section: Introductionmentioning

confidence: 99%

Interactive Effects of Climatic Factors on Seasonal Vegetation Dynamics in the Central Loess Plateau, China

Zhu

Zhang

et al. 2019

Forests

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The interactive effects of climatic factors (precipitation and temperature) on vegetation growth can be characterized by their effect on vegetation seasonal dynamics. The interactive effects, seasonal trend of vegetation growth, and its future consistency (potential for future trend) have not been adequately studied in the literature. In this work, using the Enhanced Vegetation Index (EVI) and gridded climate data at a resolution of 250 m in the central Loess Plateau region, we examined seasonal vegetation dynamics with climate changes and the interactive effects of climatic factors on vegetation growth at the pixel and regional scales from the period 2000 to 2015. Vegetation cover in the Central Loess Plateau in China has dramatically changed due to the Grain-for-Green (GFG) ecological restoration program, which was designed to convert cropland to forestland or grassland since 1999. Our results show that the EVI increased significantly during the 16 year period and is likely to continue to increase in the near future. Relatively small Hurst exponents for forestland suggests that the potential for a future increased trend will be weak for the forest. Large Hurst exponents for grassland indicate its strong potential of further increase. Significant increases in spring precipitation have promoted vegetation growth, while significant decreases in summer temperature have had negative effects on vegetation growth. For temperatures between 10 to 20 °C, the impact of temperature on vegetation growth has a clear positive relationship with the moderator variable precipitation. For precipitation < 200 mm in the growing season, the impact of precipitation on vegetation growth has a clearly positive relationship with the moderator variable temperature. Results of this study will provide useful and important guidelines for designing forestland and grassland restoration plans in arid, semiarid and sub-humid regions.

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“…In countries with a meaningful wild production (Spain and Italy) the conservation of this production is an important concern: this involves sustainable harvesting and habitat improvement (Garcia-Barreda and Reyna, 2013).…”

Section: Cultivation Challengesmentioning

confidence: 99%

Black truffle cultivation: a global reality

2014

Self Cite

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Aim of study: In recent decades the cultivation of the black truffle Tuber melanosporum has expanded across all the Mediterranean-climate regions, but also to other regions outside the European standard for the species. We aim to describe the current extent of T. melanosporum cultivation.Area of study: Tuber melanosporum plantations in Europe, the Mediterranean basin, Australia, New Zealand, China, America and South Africa.Material and Methods: The socioeconomic impact of T. melanosporum cultivation, the way in which the current situation has been achieved and the knowledge needed for its progress are reviewed.Research highlights: T. melanosporum has been successfully cultivated in several countries outside its natural area, but many practices are still empirical and thus yields cannot be guaranteed. The recent advances in molecular techniques and genome science are helping to overcome some of the difficulties traditionally constraining truffle research. The role of truffles as a transitional element between agricultural and forestry activities makes its cultivation a paradigm of sustainable rural development.Keywords: Tuber melanosporum; Europe; Australia; New Zealand; Chile; USA.

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Response of Tuber melanosporum fruiting to canopy opening in a Pinus-Quercus forest

Cited by 10 publications

References 14 publications

Tuber melanosporum spread within sub-optimal climatic zones is controlled by fruiting triggers and not mycorrhiza survival

Tuber melanosporum spread within sub-optimal climatic zones is controlled by fruiting triggers and not mycorrhiza survival

Interactive Effects of Climatic Factors on Seasonal Vegetation Dynamics in the Central Loess Plateau, China

Black truffle cultivation: a global reality

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