[About repeated infection of the improved potatoes by virus diseases]
2000
Zhukova M.I. (Belarus Research Inst. of Plant Protection, Minsk (Belarus))
Results of three years study on the process of virus diseases infection of the improved by biotechnological methods potato with the use of the original methodical approach based on annual inclusion in the experiment the first tuber generation as an indicator of natural medium changes are presented. The peculiarities of its reinfection in different by aphidological situation years are shown. Among the factors significantly influencing this process, variety resistance, number of aphids-vectors and periods of their mass flight in relation to the periods of growth and development of potato plants are considered. The possibilities of chemical control of aphids-vectors are discussed
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