Hoechst Schering AgrEvo GmbH
Corporate brand
UnclaimedHoechst Schering AgrEvo GmbH was a Düsseldorf-based German crop-protection joint venture owned by Hoechst AG and Schering AG from 1994 to 1999.
Last updated August 31, 2026
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Overview
Hoechst Schering AgrEvo GmbH was a German crop-protection company created in 1994 by Hoechst AG and Schering AG. The two parent companies combined their agricultural-chemicals divisions in a joint venture intended to create greater scale in product marketing, research, and development. The company was headquartered in Düsseldorf and operated as a limited liability company rather than as a separately listed public corporation. AgrEvo’s business focused on crop-protection products, including herbicides used in agricultural and horticultural production. Products associated with the company included Unim Plus, a weedicide for vegetables, tea, and cotton, and Puma, a herbicide for wheat. These products illustrate the company’s emphasis on chemical solutions for weed control across both broad-acre farming and selected specialty crops. The available reference material does not provide a complete product catalogue, detailed sales figures, geographic market breakdown, or information about the company’s manufacturing footprint. The company’s independent existence was brief. In 1999, Hoechst AG merged with Rhône-Poulenc, a French pharmaceutical and chemical group, to form Aventis. As part of the resulting corporate reorganization, AgrEvo was combined with Rhône-Poulenc’s agrochemicals business to create Aventis CropScience. This ended Hoechst Schering AgrEvo GmbH as an independent corporate entity after approximately five years. A further change occurred in 2002, when Bayer AG acquired Aventis CropScience and combined it with Bayer’s existing crop-protection activities, then known as Bayer Pflanzenschutz or Crop Protection. The resulting business became Bayer CropScience. Accordingly, Hoechst Schering AgrEvo is best understood as a historical predecessor in the corporate lineage that led through Aventis CropScience to Bayer CropScience, rather than as a continuing consumer-facing brand. The company’s significance lies primarily in the consolidation of the European agrochemical industry during the 1990s. Its formation joined the agricultural businesses of two major German chemical and pharmaceutical groups, while its later absorption into the Aventis and Bayer structures reflected a broader sequence of cross-border mergers and acquisitions. Publicly available information about AgrEvo itself is limited, and its short lifespan means that many details about its executives, campaigns, financial performance, and market share are not established in the supplied sources.
History
Hoechst Schering AgrEvo GmbH was formed in Germany in 1994 as a joint venture between Hoechst AG and Schering AG. Both parent companies were established chemical and pharmaceutical groups with agricultural-chemicals operations. Rather than continuing to manage their crop-protection divisions separately, they placed those activities into a new company headquartered in Düsseldorf. The stated rationale was to obtain economies of scale, particularly in marketing and in research and development. AgrEvo’s business was centered on crop protection. Its documented products included Unim Plus, a weedicide intended for use on vegetables, tea, and cotton, and Puma, a herbicide for wheat. The available sources do not provide a full account of the company’s product portfolio, scientific organization, production sites, or regional subsidiaries. They do, however, place AgrEvo within the agricultural-chemicals sector and show that its offerings addressed weed control in both specialty crops and cereal production. The company remained independent for only about five years. In 1999, Hoechst AG merged with Rhône-Poulenc, the French pharmaceutical and chemical company. The transaction created Aventis and led to the restructuring of the participating agrochemical businesses. Hoechst Schering AgrEvo was combined with Rhône-Poulenc’s agrochemicals division, producing Aventis CropScience. This corporate combination ended AgrEvo’s existence as a standalone legal and operating entity. Aventis CropScience was subsequently acquired by Bayer AG in 2002. Bayer integrated the acquired business with its own crop-protection division, known in the referenced material as Bayer Pflanzenschutz or Crop Protection. The combined operation became Bayer CropScience. AgrEvo therefore forms one link in a succession of German and European agrochemical businesses that moved from Hoechst and Schering, through Aventis, into Bayer’s crop-science organization. The historical importance of Hoechst Schering AgrEvo is consequently tied less to long-term brand development than to corporate consolidation. Its creation represented the pooling of two German groups’ agricultural portfolios, while its dissolution reflected the larger cross-border merger that produced Aventis. The later Bayer acquisition shows how the company’s assets and activities were incorporated into a much larger global crop-protection platform. Since the supplied reference material is limited, reliable details about its management, financial results, advertising, research programs, and operating markets cannot be established here.
- 2002
Successor business moves into Bayer CropScience
[1]Bayer AG acquires Aventis CropScience and combines it with Bayer’s crop-protection operations, forming Bayer CropScience.
- 1999
AgrEvo becomes part of Aventis CropScience
[1]Following Hoechst AG’s merger with Rhône-Poulenc and the creation of Aventis, AgrEvo is combined with Rhône-Poulenc’s agrochemicals division to form Aventis CropScience.
- 1994
AgrEvo is established
[1]Hoechst AG and Schering AG create Hoechst Schering AgrEvo GmbH by combining their crop-protection divisions in a new joint venture headquartered in Düsseldorf.
Products and positioning
A German agricultural-chemicals joint venture focused on crop protection, product marketing, and research and development.
Herbicide
Unim Plus
Unim Plus was a weedicide associated with Hoechst Schering AgrEvo. The available reference identifies vegetables, tea, and cotton as its intended crop applications, placing it in the company’s crop-protection portfolio for both horticultural and agricultural weed management. Details such as active ingredient, formulation, launch date, and current regulatory status are not provided.
Herbicide
Puma
Puma was described as a herbicide for wheat and formed part of AgrEvo’s weed-control offering for cereal production. Its positioning indicates a focus on protecting wheat crops from competing weeds. The supplied source does not specify the active substance, formulation, launch date, geographic approvals, or subsequent ownership and branding after AgrEvo was incorporated into successor businesses.
Brand decisions
2002
Transfer the successor business to BayerM&ABackground
Bayer AG acquired Aventis CropScience as part of the consolidation of major crop-protection businesses.
Action taken
Bayer combined Aventis CropScience with its own crop-protection division.
Aftermath
The integrated operation became Bayer CropScience, continuing the corporate succession from AgrEvo.
1999
Integrate AgrEvo into Aventis CropScienceM&ABackground
Hoechst AG merged with Rhône-Poulenc to create Aventis, requiring the alignment of their agricultural-chemicals businesses.
Action taken
AgrEvo was combined with Rhône-Poulenc’s agrochemicals division to create Aventis CropScience.
Aftermath
Hoechst Schering AgrEvo ceased to exist as an independent company after approximately five years.
1994
Combine Hoechst and Schering crop-protection divisionsM&ABackground
Hoechst AG and Schering AG sought greater scale in crop-protection marketing and research and development.
Action taken
The companies established Hoechst Schering AgrEvo GmbH as a joint venture containing their crop-protection activities.
Aftermath
The new company operated as a standalone joint venture until the 1999 creation of Aventis.
Sources1 sources
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