Bud set and autumn coloration of<i>Larix sibirica</i>and<i>Larix gmelinii</i>provenances in a field trial in southern Finland

Lukkarinen, Antti J.; Ruotsalainen, Seppo; Peltola, Heli; Nikkanen, Teijo

doi:10.1080/02827581.2013.853827

Cited by 2 publications

(1 citation statement)

References 21 publications

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“…In spring, trees begin development earlier in the moderate climate zone of the southern provenances than in the northern provenances and are therefore more susceptible to spring frost (Lukkarinen et al, 2014). Eysteinsson et al (2009) described the genus Larix as frequently being injured by winter and spring frosts; however, different species differ in frost resistance, and the least resistant trees were from the far-east provenances.…”

Section: Site Effectsmentioning

confidence: 99%

Variation of bud flushing in Larix decidua clones

Sierota¹,

Ukalska²,

Zagożdżon³

et al. 2017

Dendrobiology

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Abstract:In situ assessments of bud flushing in European larch Larix decidua Mill. clones growing under natural conditions were conducted in the Łęgajny seed orchard, Warmia-Masuria Province, Poland. The 27 assessed clones (among a total of 332 trees) were derived from superior plus trees from six selected stands in north eastern Poland. The analyses were carried out on 15-year-old clones grown in two seed orchard sectors differing in soil moisture conditions (no. 3, a nearly flat surface with southern exposure and no. 5, a flat surface, slightly inclined toward the north and periodically flooded by nearby bog-springs). Apical and axillary bud flushing was assessed in March/April 2014, using a 6-stage scale. Significant differences in bud burst were observed among clones, bud types (apical or axillary), clone provenances and growing conditions in seed orchard sectors. Generally, axillary buds flushed earlier than apical buds. Clones growing in section no. 3 showed earlier bud flushing than in section no. 5. Daily mean temperature during the initial bud burst period (stages 0-3) had no significant effect on bud flushing in a number of clones, however the cumulative temperature in that period was strong correlated with bud flushing for particular clones and provenances which suggests susceptibility to spring frost. Local site conditions (i.e. different soil moisture contents and insolation levels between sectors) as well as decreased temperatures in the first period of bud development had strong effects on bud flushing in European larch clones.

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Section: Site Effectsmentioning

confidence: 99%

Variation of bud flushing in Larix decidua clones

Sierota¹,

Ukalska²,

Zagożdżon³

et al. 2017

Dendrobiology

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Tree Rings Reveal the Impact of Soil Temperature on Larch Growth in the Forest-Steppe of Siberia

Belokopytova

Zhirnova

Meko

et al. 2021

Forests

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Dendroclimatology has focused mainly on the tree growth response to atmospheric variables. However, the roots of trees directly sense the “underground climate,” which can be expected to be no less important to tree growth. Data from two meteorological stations approximately 140 km apart in southern Siberia were applied to characterize the spatiotemporal dynamics of soil temperature and the statistical relationships of soil temperature to the aboveground climate and tree-ring width (TRW) chronologies of Larix sibirica Ledeb. from three forest–steppe stands. Correlation analysis revealed a depth-dependent delay in the maximum correlation of TRW with soil temperature. Temperatures of both the air and soil (depths 20–80 cm) were shown to have strong and temporally stable correlations between stations. The maximum air temperature is inferred to have the most substantial impact during July–September (R = −0.46–−0.64) and early winter (R = 0.39–0.52). Tree-ring indices reached a maximum correlation with soil temperature at a depth of 40 cm (R = −0.49–−0.59 at 40 cm) during April–August. High correlations are favored by similar soil characteristics at meteorological stations and tree-ring sites. Cluster analysis of climate correlations for individual trees based on the K-means revealed groupings of trees driven by microsite conditions, competition, and age. The results support a possible advantage of soil temperature over air temperature for dendroclimatic analysis of larch growth in semiarid conditions during specific seasons.

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Bud set and autumn coloration ofLarix sibiricaandLarix gmeliniiprovenances in a field trial in southern Finland

Cited by 2 publications

References 21 publications

Variation of bud flushing in Larix decidua clones

Variation of bud flushing in Larix decidua clones

Tree Rings Reveal the Impact of Soil Temperature on Larch Growth in the Forest-Steppe of Siberia

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