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Success of organic and biodynamic system experiment to produce high quality wines

机译:有机和生物动力学系统实验的成功,生产高质量的葡萄酒

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摘要

Reducing input use and in particular pesticide use is very important in OIV 2018 new resolutions. Also Europe and France promote research and co-design with winegrowers in more sustainable viticulture according to a combination of climate change. It is also very important to take into account soil diversity and Protected Designation Areas constraints to make sure that new wines will ensure the sustainability of the wineries. This study explores design, experiment and assess of new realistic viticulture production systems located in Protected Designation of Origin (PDO) areas and with already organic or biodynamic certification for six consecutive years, in winery production conditions. It also discusses the chosen assessment indicators and the adoption of such new production systems by winegrowers. Eleven cases were studied in a system experiment network in Alsace (France) and in six consecutive production years. Contrasted production years, PDO areas combined to organic or biodynamic certification allow testing the resilience of experimented systems over time. Combination of new practices are tested to drastically reduce input and in particular pesticide. Assessed performances of the systems deal with 14 main indicators: social acceptability (1) and economic viability (1), agronomy (yield (1), harvested berries quality (2), fungi damage (3), soil quality (1), and wine sensorial analysis (1) and environment (Frequency Treatment Index (1), Cupper rate (1), INDIGO® method (2)). Several innovations were selected by co-design with winegrowers: adding essential oil and Propolis to copper spraying; total grass cover of the vine site; new decision rules for rate and time pesticide spraying; decision aid tool; resistant grape varieties planted. The assessment results support that the performance of the 14 indicators is very good for most of the eleven systems during the six assessed years. Combinations of tested innovations are neither dangerous nor difficult to enforce in the field by the vineworkers. Innovations do not increase the cost of grape production. The yield ratios were satisfactory the 6-yeared of observation because calculated yield match with targeted yield. Harvested berries quality support that the 7 vine sites succeed in targeted total acidity and sugar rate according to the different PDO conditions every years. Wines were Alsace or Grand Cru PDO labelled and successful marketed. At least, the Treatment Frequency Index is reduced by an average of 40% for all vine sites and assessed years. TFI can be reduced at a maximum of 89% and TFI median is 38%. Cupper rate can be reduced at a maximum of 97% and Cupper rate median is 54%. I-pest from INDIGO® method indicate a minimal risk taking for groundwater, surface water, air and beneficial organisms contamination. And finally, flora richness indicator is stable or steadily increases during the 6 study years. In this study, we demonstrated that drastically monitoring reduction of pesticide and other inputs is possible. Chosen indicators allow a exhaustive assessment, but could also been aggregated all together to give a synthetic information to winegrowers and make them easier to adopt the innovative systems. Introduction of innovation combinations in highly sustainable organic and biodymanic systems are validated to produce high quality wines. Now, it is possible to serenely promote and disseminate these highly sustainable innovative systems, taking into account of course vineyard diversity.
机译:减少输入使用,特别是农药在OIV 2018新的分辨率中非常重要。此外,根据气候变化的结合,欧洲和法国促进了更可持续的葡萄酒中的葡萄酒培养师的研究和共同设计。考虑到土壤多样性和保护的指定区域的限制也非常重要,以确保新葡萄酒将确保葡萄酒厂的可持续性。本研究探讨了位于原产地(PDO)区域的保护指定的新型现实葡萄栽培生产系统的设计,试验和评估,并且在酿酒厂生产条件下连续六年进行有机或生物动力学认证。它还讨论了所选择的评估指标和通过葡萄酒员通过这些新生产系统。在Alsace(法国)的系统实验网络中研究了11例,连续六个生产年份。对比的生产年份,PDO地区组合到有机或生物动力学认证,允许在随着时间的推移测试实验系统的恢复力。新实践的组合被测试以大大减少输入和特别是农药。评估系统的表演处理14个主要指标:社会可接受性(1)和经济可行性(1),农学(产量(1),收获浆果质量(2),真菌损伤(3),土壤质量(1),以及葡萄酒传感器分析(1)和环境(频率处理指数(1),杯子率(1),Indigo®方法(2))。通过共同设计选择了几种创新:将精油和蜂胶添加到铜喷涂;葡萄的总草盖;速率和时间杀虫剂喷涂的新决策规则;决策辅助工具;种植抗性葡萄品种。评估结果支持14个指标的性能对于六个中的大部分系统非常好。评估年份。经过测试的创新的组合既不危险也不难以在革命者中实施领域。创新不会提高葡萄生产成本。屈服比令人满意的6岁的观察,因为计算产量匹配目标产量。收获的浆果质量支持认为,7枚葡萄网站在每年的不同PDO条件下取得了针对性的总酸度和糖率。葡萄酒是Alsace或Grand Cru Pdo标记和成功的销售。至少,治疗频率指数平均降低了所有葡萄网站的40%,并评估了年份。 TFI最多可减少89%,TFI中位数为38%。杯饮料最多可减少97%,杯子速率中位数为54%。来自Indigo®方法的I-Pest表示地下水,地表水,空气和有益生物污染的最小风险。最后,在6年的研究年度期间,植物群富裕指示器稳定或稳步增加。在这项研究中,我们证明了可能的杀虫剂和其他投入的减少。所选指标允许详尽评估,但也可以将所有人聚合在一起,以便为葡萄酒者提供合成信息,使其更容易采用创新系统。验证了高度可持续的有机和生物管理系统中的创新组合验证,以生产高质量的葡萄酒。现在,考虑到历程葡萄园多样性,可以平静地促进和传播这些高度可持续的创新系统。

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