Yıldırım Ismet; Aydin Metin: Resistance of Venturia inaequalis to hexaconazole, trifloxistrobin and captan. In: Agrár- és vidékfejlesztési szemle, (6) 1. pp. 280-284. (2011)
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Absztrakt (kivonat)
4.3% of 2.2 million tons of apple produced in Turkey annually is obtained from Çanakkale. Apple scab caused by Venturia inaequalis (Cooke.) Wint. is the most important problem observed in the apples growing in the province. Especially if the disease pressure is high, it cannot be controlled and thus it causes a significant loss in yield and quality despite the intensive spraying against the disease. The objective of this study was to investigate whether this problem originated from fungicide sensitivity. Sensitivities of V. inaequalis isolates to hexaconazole (DMI), trifloxystrobin (Strobilurin) and Captan (Trichloromethylthiocarboxamide) were determined for twenty isolates by measuring the germination rate of conidiospore obtained from single scab lesions. According to ED50 value, the isolates treated with captan and hexaconazole varied from 0.01 to 0.3 µg/ml. The sensitivity of the isolates to both fungicides was found less than the sensitivity to trifloxystrobin. The isolates treated with trifloxystrobin were divided in two groups (0.01-0.03 and 0.03-01 µg/ml). On the other hand, according to minimum inhibition concentration, the isolates at captan and trifloxystrobin were in three groups (0.3-1; 1-3 and 3- 10 µg/ml), however for hexaconazole they were in two groups (1-3 and 3-10 µg/ml). In vitro studies showed that the sensitivity of V. inaequalis to Demethylation Inhibitor fungicide hexaconazole and Trichloromethylthiocarboxamide fungicide captan was reduced.
| Mű típusa: | Cikk, tanulmány, mű |
|---|---|
| Rovatcím: | Plant sciences and environmental management |
| Befoglaló folyóirat/kiadvány címe: | Agrár- és vidékfejlesztési szemle |
| Dátum: | 2011 |
| Kötet: | 6 |
| Szám: | 1 |
| ISSN: | 1788-5345 |
| Oldalak: | pp. 280-284 |
| Nyelv: | angol |
| Kiadó: | Szegedi Tudományegyetem Mezőgazdasági Kar |
| Kiadás helye: | Szeged |
| Konferencia neve: | Traditions, innovation, sustainability (2011) (Hódmezővásárhely) |
| Befoglaló mű URL: | http://acta.bibl.u-szeged.hu/76074/ |
| Kulcsszavak: | Növényvédelem, Környezetvédelem |
| Megjegyzések: | Bibliogr.: 284. p. ; ill. ; összefoglalás angol nyelven |
| Szakterület: | 04. Mezőgazdaság-tudományok 04. Mezőgazdaság-tudományok > 04.01. Mezőgazdaság, erdészet, halászat |
| Feltöltés dátuma: | 2022. jún. 30. 09:31 |
| Utolsó módosítás: | 2022. jún. 30. 09:31 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/76119 |
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