Author: Nikolay Petrov
Issue 3
12. Antiviral activity of plant extract from Chelidonium majus against potato virus Y
Author: Nikolay Petrov, Mariya Stoyanova, Miroslava Valkova
13. Arthropod pests of ornamental plants in nurseries in the region of Pazardzik
Author: Atanaska Stoeva, Dimitar Damyanov
14. Distribution, population dynamics and damage of water lily aphid Rhopalosiphum nymphaeae Linnaeus (Hemiptera: Aphididae) on fruit trees in Bulgaria
Author: Pavlin Vasilev, Radoslav Andreev
15. Efficacy of bioinsecticides against the Colorado potato beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae) under laboratory conditions
Author: Daniela Atanasova
16. Resistance of pests and diseases to pesticides in fruit crops
Author: Milena Dimova, Nedyalka Palagacheva, Vasilliy Dzhuvinov
17. Micronutrients content in the Virginia varieties grown under identical agroecological conditions
Author: Penka Zaprianova
18. Macronutrients content in the Virginia varieties grown under identical agroecological conditions
Author: Penka Zaprjanova
19. Determination of selenium in different wheat varities
Author: Stefan Krustev, Violina Angelova, Krasimir Ivanov
20. Hesitation of rainfalls during the vegetational period in the agricultural region of Plovdiv
Author: Dafinka Ivanova