Fruit growing
and viticulture of South Russia

Annotation

The purpose of our study is to clarify the harmfulness of root and leaf forms of phylloxera; to define the resistance of zoned and perspective grapes varieties to the leaf form of phylloxera; to identify the main actions in the fight against quarantine vermin. The research are carried out in the collection planting of Krasnodar Region using the phytosanitary monitoring of vineyards. To assess the resistance of varieties to harmful organisms the domestic scale is used, it is more convenient for modeling of grapes protection systems against vermin and pathogens. The results of long-term inspections of vineyards in the Krasnodar Region is presented in the article. The field resistance of zoned and perspective grapes varieties to a leaf form of phylloxera is shown and the preparations for protection of plants against this vermin form are estimated. It is established, that resistance of zoned and perspective grapes varieties to a leaf form of phylloxera is determined not only by the morphological and physiological features of varieties, but also by the degree of bushes by vermin colonization, that causes the spreading of vermin on the varieties previously, considered as resistant. It is noted, that therefore it is inexpedient in one planting to select the grapes varieties with different resistance to leaf form of phylloxera. The principle of selection of varieties in one planting is the data of ripening and uniform protection of plantings against harmful organisms. It is noted, that an assortment of preparation to fight against a leaf form of phylloxera is small now. The preparations approved for use against a quarantine vermin have the high toxicity and adverse influence on the useful fauna. Therefore the laying of new vineyards needs planting material free from a root form of phylloxera.