Abstract
Research was conducted in 2008 and 2009 in order to determine the virus status of pepper (Capsicumannuum) cultivated in open fields in the Republic of Macedonia (R. Macedonia). Most of the tested seedlings were virus free, but a few seedlings were found to be infected with Potato virus Y (PVY). During the vegetative season, in the tested areas pepper plants were mostly infected by Cucumber Mosaic Virus (CMV), while the infections by Alfalfa mosaic Virus (AMV), Tobacco Mosaic Virus (TMV), TSWV Tomato Spotted Wilt Virus(TSWV) and PVY were less present. None of the samples were infected with Potato virus X (PVX). With the performed analysis, dynamics of virus antigen accumulation during the production period was established, which was related with less visible symptom in some of the observed infected plants. Key words: Pepper plants, Alfalfa mosaic Virus (AMV), Cucumber Mosaic Virus (CMV), Tomato Spotted Wilt Virus (TSWV), Tobacco Mosaic Virus (TMV), Potato virus Y (PVY), Potato virus X (PVX).
Highlights
IntroductionDuring 2003, an example of a typical annual production, 7500 ha of pepper plants were cultivated in greenhouses and 843 ha in open fields, and the yields obtained were 19.56 tonnes per t/ha and 3.91 t/ha respectively
The pepper is one of the most significant vegetable crops that are cultivated in Republic of Macedonia
In the tested areas pepper plants were mostly infected by Cucumber Mosaic Virus (CMV), while the infections by Alfalfa mosaic Virus (AMV), Tobacco Mosaic Virus (TMV), TSWV Tomato Spotted Wilt Virus (TSWV) and Potato virus Y (PVY) were less present
Summary
During 2003, an example of a typical annual production, 7500 ha of pepper plants were cultivated in greenhouses and 843 ha in open fields, and the yields obtained were 19.56 tonnes per t/ha and 3.91 t/ha respectively. These yields do not fulfill the requirements for the domestic market, and the processing industry which has a tremendous growth potential Macedonia the yield losses caused by different viruses on pepper varied from 10 to 100% (Jovancev et al, 1996)
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