Organizational Unit
XXX
Management
Prof. Dr. Maren Scharfenberger-Schmeer
Project Number
ZF4062403SA7
Research Area
XXX
Grant Program
Central Innovation Program for Small and Medium-Sized Enterprises (ZIM), Industry Partner: Anseros GmbH
Category
XXX
Duration
As part of the joint R&D project between Kaiserslautern University of Applied Sciences, the Service Center for Rural Areas (DLR) Rheinpfalz, and ANSEROS Klaus Nonnenmacher GmbH (Tübingen-Hirschau, Germany), an ozonide formulation and concentration were developed and tested in laboratory, greenhouse, and field trials from 2018 to 2021. The focus was on investigating the treatment’s efficacy against the pathogen causing powdery mildew (Erysiphe necator) as well as other vine pests. In addition, the treatment’s impact on the vineyard microbiome, as well as wine analytical and sensory parameters, were taken into account. The ozonized oleic acid formulation used in the field trial (V1/250, LIQUENSO® Oxygenat) used in the field trial had a concentration of 0.8% (v/v) in water and was prepared using the OXY400 device from ANSEROS Klaus Nonnenmacher GmbH (Tübingen-Hirschau, DE) (patented in Europe (EP 3 478 072 B1). A preventive treatment, used to supplement conventional vine treatment, demonstrated significant efficacy against E. necator. The formulation developed proved to be only slightly harmful to predatory mites.
The goal is to develop a method and device that are sustainable for plant protection, which involves conditioning and spraying an oxygen-air mixture. The new method is intended to be sustainable and to replace existing plant protection methods, such as copper sulfate, which accumulates in the fruit and in the soil. The base substance is an organic ozonide that reacts spontaneously with water. For the application of plant protection, a conditioning device is to be developed that produces a sprayable solution (oxygenate), along with a spraying device for large-scale application on grapevines and, more broadly, in fruit cultivation.
The following will be investigated:
- the conditioning parameters, such as water content, reaction temperature, emulsification process technology, peroxide formation over time, as well as effectiveness in viticulture
- spray volume, spray pressure, spray range, droplet size
- Effectiveness against the most important pests and pathogens in viticulture
- Duration of the oxygenate’s effectiveness under outdoor weather conditions
- Effects on the microflora and value-adding compounds of the grapevine