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The purpose. To study of the basic biological properties of viruses of family Geminiviridae – the important virus pathogens of food and ornamental crops in the majority of the countries of the world. Analysis of correlation between risk of the contagions caused by viruses of this family, change of climatic conditions and ecology of a transmitting agent. Methods. Monographic, economic-statistical, theoretical generalization. Results. Biological features of viruses of family Geminiviridae and their transmitting agents are presented. Analysis of epidemiological situation concerning viruses Geminiviridae in Ukraine in view of probability and possible after-effects of introduction of viruses and their transmitting agents in agro-ecosystems is made. Conclusions. To one of means of prevention virus epiphytoties should become analysis of phytosanitory risk with the purpose of scientific and engineering justification of phytosanitory provisions which are applied concerning hazardous organisms or the imported goods.

A family of viruses Geminiviridae and analysis of phytosanitary risk in Ukraine