Copper plays a dual role in agriculture. It can be used as an agrochemical against various downy mildews, but it is also a valuable microelement involved in multiple metabolic processes, primarily photosynthesis. For these reasons, copper finds its optimal use in viticulture, representing one of the fundamental pillars in plant protection while also meeting the specific nutritional requirements for this element. Additionally, due to its multi-site mode of action, copper effectively helps combat the phenomenon of resistance. However, copper is utilized in agrochemicals in different forms, each with its own characteristics. For instance, copper hydroxide acts more quickly, whereas copper oxychloride offers greater persistence. It is no coincidence that these two forms are often used in combination to exploit both advantages.
No risk of resistance
Besides these two forms, there are others, and in this regard, Gowan Italia has a strong presence in the copper sector, further strengthened after the acquisition of Isagro and its production assets. The Italo-American company’s catalog includes 15 formulations based solely on copper, plus two more where the metal is mixed with other synthetic substances, namely cimoxanil in “Cimoter Rame Wg” and zoxamide in “Electis R Flow.” Whether in the form of powders, water-dispersible granules, or liquids, Gowan’s range of copper products offers a wide array of solutions for those needing to protect vines from downy mildew.
With Gowan copper, maximum consistency of results
For example, there are three formulations each in the “Airone” and “Grifon” lines, both featuring balanced mixtures of copper hydroxide and oxychloride, but with different percentages to best meet the specific needs of each vineyard. If immediate effectiveness is required, the ideal solutions are “Assoram Elite 20 Wdg” and “Evoram 15,” composed solely of copper hydroxide. When greater persistence and consistency of results are needed, products based on copper oxychloride such as “Oxycur,” “Cuproram 30 Wg Blu,” and “Cuproram 35 Wg Nc” are more suitable.
Finally, Gowan’s copper product range also includes tribasic sulfate, found in “Hattrick 30 Wg” and “Basiram Elite,” and neutralized sulfate, present in “Bussola Wg Blu” and “Bussola Wg Nc.” Since copper is also excellent for creating impromptu mixtures with other downy mildew control agents that exhibit cytotropic or systemic behavior, Gowan also offers solutions in these two categories, such as “Sarmox 45 Dg” containing cimoxanil, “Cuneb” based on potassium phosphonate, and “Kasko Met” containing metalaxyl.
Title: To defend against downy mildew, here is Gowan’s copper
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