College of Agricultural Sciences

V. D. Zheljazkov, “Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala”, 1985.

V. Topalov and Zheljazkov, V. D., “Effect of harvesting stages on the yield of fresh material, essential oil, and planting material from Mentha piperita Huds. and Mentha arvensis L”, Herba Hungarica, 1991.

V. Topalov and Zheljazkov, V. D., “Effect of mechanical and chemical weed control on growth, development and productivity of mentha for planting material”, in Zeszyty Naukowe Wyzszej Szkoly Rolniczo-Pedagogicznej w Siedlcach. Seria-Rolnictwo (Poland), 1992.

V. D. Zheljazkov and Nielsen, N. E., “Studies on the effect of heavy metals (Cd, Pb, Cu, Mn, Zn and Fe) upon the growth, productivity and quality of lavander (Lavandula vera DC) Production. ”, in 24th international symposium on essential oils, 1993.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect”, 1994.

A. Margina and Zheljazkov, V. D., “Control of Mint Rust (Puccinia menthae Pers.) on Mint with Fungicides and Their Effect on Essential Oil Content”, Journal of Essential Oil Research, vol. 6, no. 6, pp. 607 - 615, 1994.

V. D. Zheljazkov and Zhalnov, I., “Effect of Herbicides On Yield and Quality of Coriandrum sativum L.”, Journal of Essential Oil Research, vol. 7, no. 6, pp. 633 - 639, 1995.

V. D. Zheljazkov and Zhalnov, I., “Effect of Herbicides On Yield and Quality of Coriandrum sativum L.”, Journal of Essential Oil Research, vol. 7, no. 6, pp. 633 - 639, 1995.

A. Margina and Zheljazkov, V. D., “Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala”, Journal of Essential Oil Research, vol. 7, no. 5, pp. 515 - 525, 1995.

V. D. Zheljazkov and Nikolov, S., “ACCUMULATION OF CD, PB, CU, MN, AND ZN BY SYLIBUM MARIANUM L. GROWN ON POLLUTED SOILS”, Acta Horticulturae, no. 426, pp. 297 - 308, 1996.

V. D. Zheljazkov, Yankuloff, Y., Raev, R. Tsevtkov, Stanev, S., Margina, A., and Kovatcheva, N., “Achievements in breeding on medicinal and aromatic plants in Bulgaria”, in Proceedings of the International Symposium: Breeding Research in Aromatic and Medicinal Plants, 1996.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect on the Yield of Fresh Material and Essential Oil”, Journal of Essential Oil Research, vol. 8, no. 1, pp. 35 - 45, 1996.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”, J. Essent. Oil. Res, 1996.

V. D. Zheljazkov, Stoeva, T., and Margina, A., “EFFECT OF GAMMA IRRADIATION ON SOME QUANTITATIVE AND QUALITATIVE CHARACTERISTICS IN MINT AND CORNMINT”, Acta Horticulturae, no. 426, pp. 381 - 388, 1996.

V. D. Zheljazkov and Nielsen, N. E., “Effect of heavy metals on peppermint and cornmint”, Plant and Soil, vol. 178, no. 1, pp. 59 - 66, 1996.

V. D. Zheljazkov and Margina, A., “EFFECT OF INCREASING DOSES OF FERTILIZER APPLICATION ON QUANTITATIVE AND QUALITATIVE CHARACTERS OF MINT”, Acta Horticulturae, no. 426, pp. 579 - 592, 1996.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Effect of Mechanical and Chemical Weed Control on the Growth, Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”, Journal of Essential Oil Research, vol. 8, no. 2, pp. 171 - 176, 1996.

S. Nicolov, Thuan, N., and Zheljazkov, V. D., “FLAVONOIDS FROM ACHYRANTHES BIDENTATA BC”, Acta Horticulturae, no. 426, pp. 75 - 78, 1996.

A. Margina and Zheljazkov, V. D., “FUNGAL PATHOGENS FROM UREDINALES ON SOME MEDICINAL AND AROMATIC PLANTS IN BULGARIA AND THEIR CONTROL”, Acta Horticulturae, no. 426, pp. 333 - 344, 1996.

V. D. Zheljazkov and Nielsen, N. E., “GROWING CLARY SAGE (SALVIA SCLAREA L.) IN HEAVY METAL - POLLUTED AREAS”, Acta Horticulturae, no. 426, pp. 309 - 328, 1996.

V. D. Zheljazkov and Jekov, D., “HEAVY METAL CONTENT IN SOME ESSENTIAL OILS AND PLANT EXTRACTS”, Acta Horticulturae, no. 426, pp. 427 - 434, 1996.

R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., “INDUCED POLYPLOIDY IN LAVENDER”, Acta Horticulturae, no. 426, pp. 561 - 572, 1996.

R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., “Induced polyploidy in lavender”, Acta horticulturae, 1996.

A. Margina, Lecheva, I., and Zheljazkov, V. D., “ Investigation on pest entomofauna and fungus diseases of essential oil and medicinal plants in Bulgaria. Part II. Study on economically important diseases.”, in Proceedings. International symposium. Breeding research on medicinal and aromatic plants, 1996.

I. Lecheva, Margina, A., and Zheljazkov, V. D., “Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part 1. Study on the harmful entomofauna.”, in Proceedings. International symposium. Breeding research on medicinal and aromatic plants, 1996.