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Chlorothalonil-containing products are sold under the names Bravo, Echo, and Daconil. It was first registered for use in the US in 1966. In 1997, it was the third most used fungicide in the US, behind only sulfur and copper , with 12 million pounds (5.4 million kilograms) used in agriculture that year. [ 3 ]
Use fungicide only when necessary. For turf with a history of disease, preventive applications are advisable, says Waltz. If you’re experiencing hot and dry conditions, you don’t need fungicide.
The abnormally large roots are unable to properly absorb water and nutrients from the ground and the result is cabbages that are undersized, wilted, and discolored. [64] If left uncontrolled yield losses due to clubroot can be as high as 50%. [66] The only fungicide shown to be effective in treating clubroot is PCNB. [64]
Dimethyloctadecyl(3-trimethoxysilylpropyl)ammonium chloride (DTSACl) is a disinfectant used as a preservative and fungicide. Its chemical formula is C 26 H 58 NO 3 SiCl. [ 1 ] It is also used as a silane coupling agent.
Turf melting out is caused by the fungal pathogen Dreschlera poae, in the family Pleosporaceae.It is a common problem on turfgrass and affects many different species. The disease infects all parts of the plant most commonly on golf course roughs, sports fields, and home lawns.
For commercial growers, the disease is primarily controlled by use of fungicide sprays. Fungicides are much more effective when applied early in the season when the inoculum load is low as cherry leaf spot is a prolific, unrelenting, tireless disease. Fungicide applications should begin at petal fall or shortly after leaves have unfolded.
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