Written by cpm
Download PDF Last month marked the official launch of Revystar XE – a fungicide containing a shiny new azole, Revysol, and BASF’s flagship SDHI, Xemium. CPM takes a look at the evolution of fungicide insensitivity that the new chemistry will play a part in managing. A remarkable group of chemistry. By Lucy de la Pasture The last new azole to hit the UK market was prothioconazole in 2005 but the fungicide development team at BASF have just written a new chapter to a book that most people thought was finished. Prof John Lucas of Rothamsted Research describes the discovery as ‘courageous and an important addition to the fungicide portfolio for a number of reasons.’ “The first cereal azole, triadimefon (Bayleton) was introduced into the UK 1976, more than forty years ago, and there were subsequent generations of azoles which arrived throughout the seventies, eighties and early nineties,” he explains. Tebuconazole, epoxiconazole and metconazole were in this last wave of chemistry and brought a marked improvement in disease control over the azoles that had gone before them. The arrival of a new group of chemistry, the Qols (strobilurins), seemed to outclass the performance of the azoles and the development race effectively…
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