Winter chill protection of grapevines by burial: Evaluation of the crawled cordon training system

Wang, Shan; Li, Hua; Ye, Qiuhong; Wang, Hua

doi:10.5073/vitis.2016.55.45-51

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…These arid and semi-arid areas are mainly in the northwest regions of China. Moreover, most wine grapes are cultivated in the northwest regions of China, which are generally areas plagued by droughts [1]. Although moderate water stress during maturation usually positively influences grape quality, continued water stress could have a strong negative effect on photosynthesis and the yield of grapevines [2].…”

Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizal Fungi Improve Growth, Photosynthetic Activity, and Chlorophyll Fluorescence of Vitis vinifera L. cv. Ecolly under Drought Stress

Wang

2022

Agronomy

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Drought stress has become a limiting factor for viticulture with climate change. The influence of arbuscular mycorrhizal fungi (AMF) on grapevine Vitis vinifera L. cv. Ecolly’s leaf water content, chlorophyll concentration, photosynthesis activity, and chlorophyll fluorescence under drought stress was studied in the greenhouse. The experiment was designed as a randomized complete block with four treatments: AMF colonization, well-watered; non-AMF colonization, well-watered; AMF colonization with drought stress; and non-AMF colonization with drought stress. The grapevines inoculated with mycorrhiza had a higher water content in the leaves and higher chlorophyll concentration under drought stress than those without mycorrhiza inoculation. AMF colonization increased the dry biomass of shoots and roots, photosynthetic rate, stomatal conductance, and transpiration rate and decreased intercellular CO2 concentration. Mycorrhizal grapevines had higher non-photochemistry efficiency, higher photochemistry efficiency, and higher actual quantum yield than non-mycorrhizal grapevines. The results show that AMF alleviated the negative effects of drought stress on grapevines. The alleviation improved leaf water status, chlorophyll concentration, and photosynthetic capacity. Altogether, the results of our study indicate that AMF inoculation has the potential to protect grapevines under drought stress.

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Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizal Fungi Improve Growth, Photosynthetic Activity, and Chlorophyll Fluorescence of Vitis vinifera L. cv. Ecolly under Drought Stress

Wang

2022

Agronomy

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“…CCT does not require unmounting before burial, allowing some work to be performed the following spring when less effort is required. Labor input from winter pruning to spring unearthing under CCT was reduced by 23.0% compared to that under ILSP [38]. Compared with ILSP, CCT reduces the need for high labor input and high labor intensity when it is urgent to prepare for winter.…”

Section: The Foundation Of Ccm-crawled Cordon Training (Cct)mentioning

confidence: 89%

“…Compared with traditional training methods [28,29], CCT eliminates the need for unmounting in winter and mounting in spring, so reduces mechanical damage, thus prolonging vine life span by 8-10 years. Wang et al [38] evaluated the labor costs for CCT and compared it to a traditional training system of independent long-stem pruning (ILSP) at Rongchen Chateau in China during the years 2011, 2012, and 2013. Under ILSP, minor shoots (e.g., sub laterals) must be removed during winter pruning, and irregular shoots need to be unmounted from the wires to facilitate vine burial.…”

Section: The Foundation Of Ccm-crawled Cordon Training (Cct)mentioning

confidence: 99%

A Sustainable Viticulture Method Adapted to the Cold Climate Zone in China

et al. 2021

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Due to the particularity of the continental monsoon climate in China, more than 90% of the wine grape cultivation areas require vines to be buried in winter for a burial period that can extend to half a year. Additionally, traditional vine cultivation practices can expose the surface of the soil during winter, easily leading to soil erosion. To meet the restrictive factors for viticulture in the Chinese cold climate zone, a new sustainable viticulture strategy called crawled cordon mode (CCM) has been developed. CCM includes crawled cordon training (CCT), physical methods of flower and fruit thinning, winter suspension of shoots, the use of a biodegradable liquid film, and covering of grass and branches for simplified management of vineyards. This article summarizes the specific implementation methods of the main measures of CCM and their significant effects on the quality of grapes and wine, ecological environment, and costs, and aims to provide inspiration for the study of sustainable and eco-friendly cultivation measures for vineyards in other cold climate zones.

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Cold-Hardy Grape Cultivar Winter Injury and Trunk Re-Establishment Following Severe Weather Events in North Dakota

et al. 2020

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Extreme winter temperatures during the 2018–2019 dormant season contributed to trunk collapse and complete trunk death of numerous genotypes throughout a diverse grapevine planting in eastern North Dakota, USA. Through the early portion of the dormant season, 12 genotypes were screened to identify lethal temperature exotherms of primary buds; from these results, none were anticipated to be fully prepared to survive the −37 °C minimum temperature recorded in the region. Trunk collapse, death, and survival were monitored for 35 replicated genotypes. New trunks were retrained from suckers and monitored for growth following trunk removal. Only five genotypes exceeded 50% trunk survival at the end of the 2019 growing season, ‘Valiant’, ‘King of the North’, ‘John Viola’, ‘Baltica’, and ‘Bluebell’. Following re-establishment, ‘La Crescent’ was the most vigorous genotype with the largest sucker circumference, sucker length, and internode length. Nearly all genotypes evaluated produced suckers with lengths approaching the high-wire trellis height (1.8 m), designating their potential for cordon retraining in 2020. Cumulatively, however, the lethal temperature exotherm results and the trunk survival examination indicate a harrowing need for investigation of new management practices (such as protected training systems) and the generation of new cold-hardy genotypes to enhance productivity under standard unprotected systems.

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Winter chill protection of grapevines by burial: Evaluation of the crawled cordon training system

Cited by 3 publications

References 5 publications

Arbuscular Mycorrhizal Fungi Improve Growth, Photosynthetic Activity, and Chlorophyll Fluorescence of Vitis vinifera L. cv. Ecolly under Drought Stress

Arbuscular Mycorrhizal Fungi Improve Growth, Photosynthetic Activity, and Chlorophyll Fluorescence of Vitis vinifera L. cv. Ecolly under Drought Stress

A Sustainable Viticulture Method Adapted to the Cold Climate Zone in China

Cold-Hardy Grape Cultivar Winter Injury and Trunk Re-Establishment Following Severe Weather Events in North Dakota

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