SPREAD OF PHYLLOXERA AND PHYTOSANITARY MEASURES OF CONTROLING IT ArticleASTARKHANOV I.R., ASTARKHANOVA T.S., GASHIMOV I.G., GUSEYNOV N.K., LATIFOV A.M., IBRAGIMOVA Z.R., TAGIROVA S.A., KHALIDOV P.M.Известия Дагестанского ГАУ. 2019. С. 7-13