RELATIONSHIP OF SUPERCOOLING TO COLD HARDINESS AND THE NORTHERN DISTRIBUTION OF SEVERAL CULTIVATED AND NATIVE <i>Prunus</i> SPECIES AND HYBRIDS

Quamme, H. A.; Layne, R. E. C.; Ronald, W. G.

doi:10.4141/cjps82-021

Cited by 51 publications

(52 citation statements)

References 7 publications

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“…The flower buds of Vac-cinium corymbosum L. (Biermann et al 1919), Rhododendron sp. (George et al 1974;Graham and Mullin l9l6), and several Prunus species (Quamme 1974;Raja-shekar and Burke 1978; Quamme et al 1982) avoid freezing injury by deep super-cooling. This mechanism of freezing survival has also been exhibited by dormant buds of several Viris species (Pierquet and Stushnoff 1980;Andrews et al 1984).…”

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confidence: 99%

Use of Thermal Analysis to Measure Freezing Resistance of Grape Buds

Quamme¹

1986

Can. J. Plant Sci.

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confidence: 99%

Use of Thermal Analysis to Measure Freezing Resistance of Grape Buds

Quamme¹

1986

Can. J. Plant Sci.

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“…The risk of damage to peach flower buds restricts the cultivation of varieties of this species in areas characterized by frosty winters (Quamme et al 1982). Every few years in those areas there are winters during which flower buds become frostbitten, which leads directly to a reduction in fruit yield, and even to a complete loss of the crop.…”

Section: Resultsmentioning

confidence: 99%

Tolerance of peach flower buds to low sub-zero temperatures in winter

Szymajda¹,

Žurawicz²

2016

Hort. Sci. (Prague)

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“…In Pyrus and Malus species, xylem is the most susceptible tissue and the freezing resistance of cultivars grown in eastern Canada is -35°C for apple and -30°C for pear (Quamme 1976). In most of the Prunus species, flower buds are the most sensitive tissues with a LT 50 of -29 to -38°C for plum, -31°C for cultivated cherry, -22 to -26°C for apricot, and -22 to -24°C for peach (Quamme et al 1982). In grape (Vitis vinifera L.), the dor- For personal use only.…”

Section: Cold Intensitymentioning

confidence: 99%

“…The degree of deep supercooling is the main factor limiting northern commercial fruit production. The temperature at which injury occurs to the most sensitive tissues is closely related to the average annual minimum isotherm temperature at the northern limits of the commercial production of apples and pears (Quamme 1976) and of the distribution of native Prunus species (Quamme et al 1982). In our study, we expressed the threat of freezing injury to tissues where deep supercooling occurs by the annual minimum temperature (AMT; Table 1).…”

Section: Cold Intensitymentioning

confidence: 99%

“…The fruit tree species are limited in their northern distribution to AMT isotherms that coincide with characteristics of deep supercooling of their most susceptible tissues (Quamme 1976;Pierquet et al 1977;Quamme et al 1982). The frequency of low temperature extremes and their distribution within the cold acclimation cycle of the trees should therefore be considered for the determination of plant distribution.…”

Section: Cold Intensitymentioning

confidence: 99%

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Climate change and winter damage to fruit trees in eastern Canada

Rochette¹,

Bélanger²,

Castonguay³

et al. 2004

Can. J. Plant Sci.

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Climatic conditions during the cold season represent a serious constraint to fruit production in eastern Canada. Meteorological models predict that temperatures of winter months will increase by 2 to 6°C by 2050. The possible impact of climate change on fruit trees in eastern Canada was assessed using agroclimatic indices expressing the risks associated with known causes of damage during fall, winter, and spring. Indices were calculated for 15 agricultural regions in eastern Canada for recent (1961–1990) and future periods (2010–2039 and 2040–2069) using temperature and precipitation data predicted by the Canadian Global General Circulation Model (CGCMI). Averaged across all agricultural regions, the first fall frost in 2040–2069 would be delayed by 16 d while the last spring frost (≤-2°C) would be advanced by 15 d. By 2040 to 2069, the risks of damage to fruit trees by early winter frosts in eastern Canada are likely to decrease because the shorter photoperiod at the time of the first fall frost would result in a longer hardening period. Milder winter temperatures will also reduce the cold stress as the accumulation of cold degree-days (<-15°C) would be reduced and the annual minimum temperature would be increased in all regions of eastern Canada. More frequent winter thaw events, however, would result in a loss of hardiness and in a thinner snow cover that would increase the plant vulnerability to subsequent extreme sub-freezing temperatures. The risk of damage to flower buds by a late frost would increase in southern Ontario, remain almost unchanged in the Maritimes and Ottawa Valley-southern Québec regions, and decrease in the Continental North. The projected climate change should allow for the introduction of new varieties and species where fruit trees are currently grown and for an extension further north of the commercial production in eastern Canada. Key words: Overwintering, fruit production, climatic indices, winter injury, spring frost

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RELATIONSHIP OF SUPERCOOLING TO COLD HARDINESS AND THE NORTHERN DISTRIBUTION OF SEVERAL CULTIVATED AND NATIVE Prunus SPECIES AND HYBRIDS

Cited by 51 publications

References 7 publications

Use of Thermal Analysis to Measure Freezing Resistance of Grape Buds

Use of Thermal Analysis to Measure Freezing Resistance of Grape Buds

Tolerance of peach flower buds to low sub-zero temperatures in winter

Climate change and winter damage to fruit trees in eastern Canada

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