Freeze Protection for Horticultural Crops

Rieger, Mark

doi:10.1002/9781118060841.ch3

Cited by 33 publications

(21 citation statements)

References 168 publications

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“…38, No. 3, September 2010, 209Á216 potential damage in any season depends on the time of the frost and the phenological stage of the crop (see review by Rieger 1989). It has been suggested that the management response to a damaging frost should take into account stage of development, severity of the damage, length of the growing season, and age and cultivar of the vines (Trought et al 1999;Creasy et al 2002;Trought et al 2003).…”

Section: Please Scroll Down For Articlementioning

confidence: 97%

Effect of frost damage and pruning on current crop and return crop of Pinot Noir

Jones

Wilson

Lee

et al. 2010

New Zealand Journal of Crop and Horticultural Science

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In October 2006, much of the wine-growing area in Tasmania was affected by a series of some of the worst frost events in more than 30 years. Widespread damage left vineyards with blackened shoots and the prospect of a considerably smaller crop, with later maturing bunches from secondary buds contributing to poorer quality wine. In a commercial, spur-pruned Pinot Noir planting, treatments intended to encourage and manipulate secondary bud-burst are imposed and effects on yield recorded. Treatments are imposed 10 days after the frost and include: (i) an untreated control (control) with all damaged tissue left in place; (ii) frost-damaged tissue removed (light pruning); (iii) frost-damaged tissue removed and original spur trimmed back to one bud (medium pruning); and (iv) original (damaged) shoot removed back to compound bud on the spur (heavy pruning). Pruning treatment responses for season 2006Á07 show that heavy pruning reduces the current crop with no useful gain in uniformity of ripening. The medium and heavy pruning treatments also reduce pruning weights at the end of the season and all post-frost pruning treatments result in a smaller inflorescence primordia size in dormant buds dissected at the beginning of commercial pruning. In the 2007Á08 vintage, the untreated control and the medium pruning treatment have significantly lower bunch numbers than the other treatments. There is also a significant effect of terrain elevation on total yield and the number of bunches in the frost year, with increasing damage lower in the inversion. This gradation in damage does not have carry-over effects into the second season. The results indicate that none of the pruning treatments tested have clear benefits for current or subsequent season production, and that a prescriptive approach to pruning should be avoided when the level of frost damage is inconsistent across vines.

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Section: Please Scroll Down For Articlementioning

confidence: 97%

Effect of frost damage and pruning on current crop and return crop of Pinot Noir

Jones

Wilson

Lee

et al. 2010

New Zealand Journal of Crop and Horticultural Science

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“…Lack of fulfillment of CR due to warm winters affects bud break, resulting in low flowering rates and thus low fruit yield as the fruit trees do not fulfill their CR (Viti and Monteleone, 1991). In addition, early blooming trees can suffer significant yield loss from frost damage to floral blooms during unusually late periods of freezing in the spring (Rieger, 1989).…”

Section: Introductionmentioning

confidence: 99%

Distinctive Gene Expression Patterns Define Endodormancy to Ecodormancy Transition in Apricot and Peach

Conrad

Decroocq

et al. 2020

Front. Plant Sci.

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“…Many fruit varieties and cultivars are either a result of crosses with indigenous species or ones exotic to the region where they are cultivated (Rodrigo 2000). Among the low-temperature constraints, spring frost accounts for greater losses of fruit than any other environmental or biological hazard (Rieger 1989;White and Haas 1975). Frost damage in fruit trees occurs when water in the plant cell tissues freezes, expands, and ruptures the cell walls.…”

Section: Introductionmentioning

confidence: 99%

Spring frost vulnerability of sweet cherries under controlled conditions

2015

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Spring frost is a significant production hazard in nearly all temperate fruit-growing regions. Sweet cherries are among the first fruit varieties starting their development in spring and therefore highly susceptible to late frost. Temperatures at which injuries are likely to occur are widely published, but their origin and determination methods are not well documented. In this study, a standardized method was used to investigate critical frost temperatures for the sweet cherry cultivar 'Summit' under controlled conditions. Twigs were sampled at four development stages ("side green," "green tip," "open cluster," "full bloom") and subjected to three frost temperatures (-2.5, -5.0, -10.0 °C). The main advantage of this method, compared to other approaches, was that the exposition period and the time interval required to reach the target temperature were always constant (2 h). Furthermore, then, the twigs were placed in a climate chamber until full bloom, before the examination of the flowers and not further developed buds started. For the first two sampling stages (side green, green tip), the number of buds found in open cluster, "first white," and full bloom at the evaluation date decreased with the strength of the frost treatment. The flower organs showed different levels of cold hardiness and became more vulnerable in more advanced development stages. In this paper, we developed four empirical functions which allow calculating possible frost damages on sweet cherry buds or flowers at the investigated development stages. These equations can help farmers to estimate possible frost damages on cherry buds due to frost events. However, it is necessary to validate the critical temperatures obtained in laboratory with some field observations.

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Freeze Protection for Horticultural Crops

Cited by 33 publications

References 168 publications

Effect of frost damage and pruning on current crop and return crop of Pinot Noir

Effect of frost damage and pruning on current crop and return crop of Pinot Noir

Distinctive Gene Expression Patterns Define Endodormancy to Ecodormancy Transition in Apricot and Peach

Spring frost vulnerability of sweet cherries under controlled conditions

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