| Преп. Росица Георгиева Петкова | В научно списание | Статии | Arnaudov V., S. Raikov, R. Dimitrova, H. Hristov, D. Kyuchuk. (2015).Natural enemies of aphids Callaphis juglandis Frisch. and Сhromaphis juglandicola Kalt. (Hemiptera: Aphididae) on english walnut (Juglans regia L.) in Plovdiv Region. Journal of Mountain Agriculture on the Balkans, Vol. 18, 2, 292-304. ISSN 1311-0489 | 12.09.2023 |
| Преп. Росица Георгиева Петкова | В научно списание | Статии | Arnaudov, V., Raykov, S., Dimitrova, R., Hristov, H., & Kyuchuk, D. (2015). Susceptibility of some walnut cultivars to infestation of walnut aphid Callaphis juglandis Frisch.(Hemiptera: Aphididae). Journal of Mountain Agriculture on the Balkans, 18(3), 508-516. ISSN 1311-0489. | 12.09.2023 |
| Преп. Росица Георгиева Петкова | В научно списание | Статии | Arnaudov, V., Raykov, S., Dimitrova, R., Hristov, H., & Kyuchuk, D. (2015). Susceptibility of some apple cultivars to atack by leaf miners. Proceedings of the Union of Scientists – Ruse, Book 3, AGRARIAN & VETERINARY SCIENCES. Vol. 5, 2015, 116 – 121. ISSN 1311-106X. | 12.09.2023 |
| Преп. Росица Георгиева Петкова | В научно списание | Статии | Arnaudov, V., Raykov, S., Dimitrova, R., J. Jekov (2015). Susceptibility of some apple cultivars to attack by аphids. Susceptibility of some apple cultivars to attack by аphids. Proceedings of the Union of Scientists – Ruse, Book 3, AGRARIAN & VETERINARY SCIENCES. Vol. 5, 2015, 156 – 159. ISSN 1311-106X. | 12.09.2023 |
