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Tolylfluanide + tebuconazole in the control of some ornamental foliage diseases.
- Source :
-
Communications in agricultural and applied biological sciences [Commun Agric Appl Biol Sci] 2005; Vol. 70 (3), pp. 231-40. - Publication Year :
- 2005
-
Abstract
- In the control of Sphaerotheca pannosa var. rosae on rose Tolylfluanide + tebuconazole (Folicur Multi 50 WG at concentration 0.1%) was used for spray 2 -times at 14-day-intervals or 4-times at 7-day-intervals. After 4 weeks of plants protection effectiveness of tested product was about 75%. In the control of Diplocarpon rosae, the product was applied when first disease symptoms appeared on rose shrubs. Application was repeated 5-times at 14-day-intervals or 9-times at 7-day-intervals. After 9 week-protection effectiveness of tested product was about 85% and depended on frequency of sprayings. In the control of Puccinia horiana on chrysanthemum, Tolylfluanide + tebuconazole was used as plant spray twice at 14-day-intervals or 4-times at 7-day-intervals. After 4 week-protection the product suppressed of new telia formation about 55%. Application of the product for willow rust (Melampsora epitea) control suppressed formation of new uredia about 86% and half of them were dried. In the control of pelargonium rust (Puccinia pelargonii-zonalis) the product was used as plant spray 4-times at 7-day-intervals. It suppressed formation of new uredia about 90% and 1/3 of them were dried. It was found that 1 or 7 days after rose spray, spores of D. rosae collected from leaf blades only in 6% germinated. Spores taken from nonspraying leaves germinated in 90%. In case of P. pelargonii-zonalis, after 1 or 7 days after spraying, spores collected from protected plants germinated at 3%, compared to 90% on untreated plants. Spores of B. cinerea, collected from protected plants germinated at about 10%, whereas on control leaves at 90%.
- Subjects :
- Ascomycota growth & development
Dose-Response Relationship, Drug
Fungicides, Industrial toxicity
Germination drug effects
Plant Leaves microbiology
Spores, Fungal drug effects
Spores, Fungal growth & development
Time Factors
Triazoles toxicity
Ascomycota drug effects
Fungicides, Industrial pharmacology
Plant Diseases microbiology
Rosa microbiology
Triazoles pharmacology
Subjects
Details
- Language :
- English
- ISSN :
- 1379-1176
- Volume :
- 70
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Communications in agricultural and applied biological sciences
- Publication Type :
- Academic Journal
- Accession number :
- 16637183