Relevant bibliographies by topics / Sugar maple dieback

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Academic literature on the topic 'Sugar maple dieback'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 January 2023

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Journal articles on the topic "Sugar maple dieback"

1

Roy, Gabriel, Guy R. Larocque, and Colette Ansseau. "Retrospective evaluation of the onset period of the visual symptoms of dieback in five Appalachian sugar maple stand types." Forestry Chronicle 80, no. 3 (June 1, 2004): 375–83. http://dx.doi.org/10.5558/tfc80375-3.

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In the early 1980s, a sharp increase in dieback of sugar maple (Acer saccharum Marsh.) was reported across large areas of the north-eastern American continent. Despite numerous studies, there are conflicting interpretations as to the causes of dieback that can be linked to uncertainties as to when the occurrence of the visual symptoms appeared. Three different approaches were used to determine the onset period of the visual symptoms of dieback in Appalachian sugar maple stands: (1) dendrochronological analysis; (2) retrieval of information in official documents that reported dieback symptoms; and (3) development of a questionnaire sent to private forest land owners. Dieback severity was evaluated annually in 104 Appalachian sugar maple stands in southwestern Quebec. Results indicated that the pattern of dieback progression did not vary significantly among the five different types of sugar maple stand that were examined. The three investigative approaches led to the conclusion that the onset of the visual symptoms occurred between 1974 and 1978. Key words: Acer saccharum Marsh., dieback, sugar maple, symptoms, progression
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2

Renaud, J. P., and Y. Mauffette. "The relationships of crown dieback with carbohydrate content and growth of sugar maple (Acersaccharum)." Canadian Journal of Forest Research 21, no. 7 (July 1, 1991): 1111–18. http://dx.doi.org/10.1139/x91-153.

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Since the early 1980s, some sugar maple (Acersaccharum Marsh.) forests in northeastern North America have shown severe signs of dieback and decline. This study was designed to determine the relationships of crown dieback of sugar maple with carbohydrate content for different tissues during fall and spring and with radial growth patterns. A 100-year-old sugar maple stand located in Tingwick (Quebec, Canada) was sampled in 1987 and 1988. Growth, starch, and water-soluble carbohydrates (sucrose, glucose, and fructose) were measured in relation to crown dieback for 55 sugar maple trees. Root and stem samples were collected in April (1988), during the bud burst period, and in October (1987 and 1988), just after leaf drop. Starch was the predominant carbohydrate. In April, stem samples contained higher concentrations of glucose and fructose than in October. Conversely, roots had higher concentrations of reducing sugars in October, especially in trees, that were heavily affected by dieback. Roots of such trees also contained lower starch concentrations in October than in April. A crown deterioration index emphasized the increase in reducing-sugar concentrations found in autumn in roots of the deteriorating trees. Basal-area increment at 1.4 m was assessed from ring widths of cores collected from the trees under study. A significant growth decrease was observed for trees with 25% or more crown dieback, particularly for the last 5-year period. Thus carbohydrate concentrations and growth measurements prove to be valuable parameters in assessing tree health. Moreover, it seems that the physiological imbalances observed in declining trees may decrease the resistance of sugar maple against biotic and abiotic stresses.
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3

Allen, Douglas C., Charles J. Barnett, Imants Millers, and Denis Lachance. "Temporal change (1988–1990) in sugar maple health, and factors associated with crown condition." Canadian Journal of Forest Research 22, no. 11 (November 1, 1992): 1776–84. http://dx.doi.org/10.1139/x92-232.

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Change in the health of sugar maple (Acersaccharum Marsh.) and associated northern hardwoods was evaluated for 3 years (1988–1990) in seven states and four provinces. Generally, levels of crown dieback and crown transparency (a measure of foliage density) in 165 stands decreased during this period. In 1990, less than 7% of all dominant–codominant sugar maples (n = 7317) exhibited crown dieback ≥ 20%. Significantly (p = 0.05) fewer of these maples were classified as having high crown transparency (≥ 30%) in 1990 compared with 1988. Crowns of maples that received moderate (31–60%) or heavy (> 60%) pear thrips (Taeniothripsinconsequens (Uzel)) damage for 1 year recovered the following year. Crowns of maples exposed to severe drought in 1988 (Wisconsin) continued to show the effects (high transparency) of this stress in 1990. A majority (69–71%) of the dominant–codominant sugar maples with high (≥ 20%) crown dieback had bole and (or) root damage. Of those maples with crown dieback ≥ 50%, 86% had bole and (or) root damage. The condition of sugar maple in operating sugar bushes and undisturbed stands was similar. The condition of sugar maple crowns was similar in locations presumably exposed to low, medium, and high levels of sulfate deposition.
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4

Wilmot, Timothy R., Philip W. Brett, and Melvin T. Tyree. "Vigor and Nutrition vs. Sap Sugar Concentration in Sugar Maples." Northern Journal of Applied Forestry 12, no. 4 (December 1, 1995): 156–62. http://dx.doi.org/10.1093/njaf/12.4.156.

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Abstract Although maple dieback has received considerable recent attention in the Northeast, little has been reported about the relationship between sap sugar yield and crown health or crown nutrition. We measured sap sugar concentration (sweetness) in six northern Vermont maple stands in the springs of 1990-1992, and sap volume yield from tapholes at one stand in 1991. The stands differed in average crown dieback, canopy transparency, density, and mean dbh, as well as cation exchange capacity (CEC) of upper soil horizons. Sweetness of individual trees was correlated with sweetness measured the previous year (r > 0.72, P < 0.001) and with dbh (r > 0.45, P < 0.001), but correlations between sweetness and crown dieback or canopy transparency were low (r < 0.14). Sap volume was negatively correlated with crown dieback (r = -0.51, P = < 0.001). Possible explanations for these findings are discussed. Foliar nutrient status of trees was not well correlated with sap sweetness (r < 0.30). Affects of soil amendments, primarily cations, on sap sugar concentration were studied at three stands with low CEC. There were no treatment-dependent changes in sap sweetness 2 yr after the first fertilizer application. North. J. Appl. For. 12(4):156-162.
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5

Bauce, Eric, and Douglas C. Allen. "Role of Armillaria calvescens and Glycobius speciosus in a sugar maple decline." Canadian Journal of Forest Research 22, no. 4 (April 1, 1992): 549–52. http://dx.doi.org/10.1139/x92-072.

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Sugar maple, Acersaccharum Marsh., decline may be reversible during early stages before secondary insects and fungi invade stressed trees. Treatment with boric acid reduced the regenerative capacity of Armillariacalvescens Bérubé & Dessureault rhizomorphs and the percent infection of trembling aspen, Populustremuloides Michx., stakes used as a bioassay. One year after treatment, crown condition and cambial electrical resistance of trees initially in early stages of crown dieback improved compared with controls. The crown condition of sugar maples previously attacked by the sugar maple borer, Glycobiusspeciosus (Say), did not improve during 5 years of observation, whereas 18% of uninfested trees in similar initial crown condition did improve. Sugar maple borer was more abundant in declining trees [Formula: see text] than is typical of nondeclining infested trees [Formula: see text]. Declining trees had more sugar maple borer damage than apparently healthy trees (no evidence of crown dieback). The borer and the fungus are important contributing agents that prevent recovery of many declining sugar maples.
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6

Moore, Jean-David, and Rock Ouimet. "Effects of two Ca fertilizer types on sugar maple vitality." Canadian Journal of Forest Research 40, no. 10 (October 2010): 1985–92. http://dx.doi.org/10.1139/x10-136.

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Over the last decades, continuous signs of sugar maple ( Acer saccharum Marsh.) dieback in stands of northeastern North America have promoted the experimentation of corrective measures to restore sugar maple vitality. To verify the hypothesis that K–Mg antagonism may have limited the full response of sugar maple to dolomitic lime application in a previous experiment (CaMg(CO3)2, 12% Mg), two Ca fertilizers (CaCO3 and CaSO4·2H2O), having negligible Mg content, were applied at rates of 1, 2, and 4 t Ca·ha–1 on sugar maple trees adjacent to the limed area. After 3 years, most of the foliar nutrient concentrations of treated trees were improved, particularly Ca, for both Ca fertilizers, in line with published ranges for healthy sugar maple trees, except for Mg. Moreover, no persistent nutrient antagonism was observed. The crown dieback rate of treated sugar maple was ≤5.8% after 3 years, while it reached 12% for the controls. Also, relative basal area growth showed that both Ca sources can improve growth rate. Growth response following Ca treatments was, however, lower than for the former lime experiment after the same period of time. In this context, our results suggest that Mg nutrition could be more important for sugar maple in this ecosystem than initially thought.
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7

Moore, Jean-David, Claude Camiré, and Rock Ouimet. "Effects of liming on the nutrition, vigor, and growth of sugar maple at the Lake Clair Watershed, Québec, Canada." Canadian Journal of Forest Research 30, no. 5 (May 1, 2000): 725–32. http://dx.doi.org/10.1139/x00-009.

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In the 1980s, sugar maple (Acer saccharum Marsh.) dieback was observed across its range in Quebec. In spite of the recovery of the majority of stands during recent years, some have continued to show signs of dieback progression. At the Lake Clair Watershed experimental station, a study was undertaken to evaluate the effect of liming on the nutrition, vigor, and growth of sugar maple in an acid soil, poor in available Ca and Mg. A completely randomized experiment was established and selected sugar maples were treated in 1994 with dolomitic lime in amounts of 0, 0.5, 1, 2, 5, 10, 20, or 50 t·ha-1. Four years after the lime application, improvements in foliar concentrations of N, P, Ca, and Mg were noted. Liming increased the radial growth of sugar maple by 45% for rates from 1 to 10 t·ha-1 and by 90% for rates of 20 t·ha-1, compared with the control trees. The beneficial effects of lime on dieback appeared only very slightly at the third and fourth years after treatment. The negative impact of liming on sugar maple K nutrition could be mitigated by application of potassium sulphate.
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8

Wink, Robert A., and Douglas C. Allen. "The Combined Effects of Defoliation and Modified Timber Stand Improvement on Hardwoods in the Tug Hill Region of New York." Northern Journal of Applied Forestry 24, no. 1 (March 1, 2007): 43–51. http://dx.doi.org/10.1093/njaf/24.1.43.

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Abstract A 2×2 factorial analysis of variance was used to assess the combined effects of defoliation by forest tent caterpillar, Malacosoma disstria (Hub.), that occurred from 1991 through 1993 and concurrent modified timber stand improvement (TSI) treatments on sugar maple [Acersaccharum (Marsh.)] and black cherry [Prunus serotina (Erhr.)] in the Tug Hill region of New York state. Defoliation significantly reduced growth of both overstory sugar maple and black cherry. Defoliation significantly increased both mortality and crown dieback ofoverstory sugar maple. TSI treatments made during the outbreak significantly increased mortality and crown dieback of suppressed sugar maple. Defoliated stands where TSI occurred had lower mortality of overstory sugar maple, and residual overstory sugar maple recovered more rapidly from defoliationcompared with untreated defoliated stands. For the first time, red maple (Acer rubrum L.) is reported as a host for forest tent caterpillar.
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9

Moore, Jean-David, and Rock Ouimet. "Ten-year effect of dolomitic lime on the nutrition, crown vigor, and growth of sugar maple." Canadian Journal of Forest Research 36, no. 7 (July 1, 2006): 1834–41. http://dx.doi.org/10.1139/x06-081.

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In a base-poor northern hardwood stand in Quebec, subjected to high acid deposition, sugar maple (Acer saccharum Marsh.) nutrition, growth, and crown vigor were evaluated 10 years after application of 0–50 t·ha–1 of CaMg(CO3)2 in 1994. One decade after treatment, foliar calcium and magnesium concentrations of sugar maple were still higher for treated than for control trees. The analysis of foliar nutrient indices showed that liming improved the nutrition of nitrogen and calcium, but caused imbalance of phosphorus, potassium, and magnesium. In 2004, crown dieback was much lower for limed trees (0.5%–4.5%) as compared to unlimed trees (23.7%). When compared with crown dieback before treatment, dieback of limed trees generally had decreased by 2004, while dieback of untreated maple trees increased over the 1994–2004 period. In 2004, basal area increment for limed trees was nearly double that of unlimed trees. However, no difference was detectable among trees limed at different rates. Midterm efficacy of liming in this study was demonstrated by the improvement of sugar maple calcium nutrition, crown vigor, and stem growth 10 years following treatment. This confirms the potential of liming to limit damage caused by acid deposition in base-poor and declining northern hardwood stands.
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10

Roy, G., A. Sauvesty, F. Pagé, R. van Hulst, and C. Ansseau. "A comparison of soil fertility and leaf nutrient status of sugar maples (Acer saccharum) in relation to microrelief in two maple forests in Québec." Canadian Journal of Soil Science 82, no. 1 (February 1, 2002): 23–31. http://dx.doi.org/10.4141/s01-004.

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This study was conducted to provide a better understanding of the relationship between foliar nutrient status, maple dieback and soil quality. Fieldwork was conducted in four maple stands, two of which were located in the Appalachians at Tingwick and two in the Laurentians at Duchesnay. All stands were characterised by a mound and depression microrelief. In one of the Tingwick maple stands (T1) the predominant soil type was found on mounds, and was well to moderately well-drained (Leeds and Woodbridge series). At the other site (T2), the predominant soil type was in depressions, and imperfectly to poorly drained (Sainte-Marie and Brompton series). At the first Duchesnay site (D1) the predominant soil type was found on mounds and was well to rapidly drained (Ste Agathe series). At the second Duchesnay site (D2), the predominant soil type was also found on mounds, but was well to moderately well-drained (Sergent series). On all sites, the soils were acidic and nutrient poor. The lowest pH values and nutrient concentrations (in the H-Ah horizons) were found in maple stands with well-drained soils (T1 and D1) (P < 0.05). On these sites, maple dieback was less than 10%. It was on the poorly to imperfectly drained soils at Tingwick (T2), as well as on the moderately drained soils at Duchesnay (D2), that we observed the lowest biological activity. Although these soils were the most nutrient rich, we observed foliar nutrient deficiencies, and maple dieback in excess of 25%. Our results suggest that maple dieback is the result of a poor physiological adaptation of sugar maple to poor drainage conditions in the areas studied. Key Words: Dieback, Acer saccharum, forest soils, biological activity index
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Books on the topic "Sugar maple dieback"

1

Condition of sugar maple 1996. 1997.

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2

Cooke, R. R. Condition of sugar maple 1997. 1998.

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3

Millers, I. Sugar maple crowns in good condition in 1993. 1994.

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4

Millers, I. Sugar maple crown conditions improve between 1988 and 1990. 1992.

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5

Canada. Forestry Canada. Quebec Region., Canada-Québec Subsidiary Agreement on Forest Development, and Québec (Province). Ministère des forêts., eds. Fight Against Maple Dieback Program: Progress report, 1988-1991. [Québec]: Canada-Québec Subsidiary Agreement on Forest Development, 1991.

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6

Denis, Lachance, and Canadian Forest Service. Science and Sustainable Development Directorate., eds. Health of sugar maple in Canada: Results from the North American Maple Project, 1988-1993. Ottawa: Science and Sustainable Development Directorate, Canadian Forest Service, Natural Resources Canada, 1995.

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7

Denis, Lachance, Canadian Forest Service. Science and Sustainable Development Directorate., and Service canadien des forêts. Direction des sciences et du développement durable., eds. Health of sugar maple in Canada : results from the North American Maple Project, 1988-1993 =: La santé de l'érable à sucre au Canada : résultats du Projet canado-américain d'étude du dépérissement de l'érable, 1988-1993. Ottawa, Ont: Canadian Forest Service, Science and Sustainable Development Directorate = Service canadien des forêts, Direction des sciences et du développement durable, 1995.

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