Falcon 460 EC in the control of foliage diseases of some ornamentals

Falcon 460 EC (167 g tebuconazole + 250 g spiroxamine + 43 g triadimenol per 1 dm3) at concentration 0.1%, applied as spray 4-times at 7-day intervals, was used in the control of Sphaerotheca pannosa var. rosae on rose. After 4 weeks of plants protection effectiveness of the tested product was more than 92%. In the control of Diplocarpon rosae, Falcon 460 EC was applied when the first disease symptoms appeared on rose shrubs. The product application was repeated 9 times at 7-day intervals. Effectiveness of the product was more than 70%. In the control of Sphaerotheca humuli and Colletotrichum spp. on pansy Falcon 460 EC at concentration 0.1% was used as spray 4-times at 7-day intervals. After that time effectiveness of the fungicide was at least 83%. Four applications of Falcon 460 EC at concentration 0.1% in the control of Microsphaeria alphitoides on oak controlled at last 95% of the disease development. In observation done 3 months later its activity was still very high. Falcon 460 EC was very effective in the control of rust fungi. Two applications at 7-day-intervals of the product in the control of Melampsora epitea on willow suppressed formation of new uredia by about 70-90% and almost all of them were dried. When applied 4 times at week intervals as spray on chrysanthemum it suppressed formation of new telia of Puccinia horiana by about 80%. Also, it was found that 14 days after rose spray, spores of D. rosae collected from leaf blades germinated in about 5%. In the case of control leaves more than 83% of germinating spores were found.