| 摘要 |
The invention relates to agriculture, namely, to a process for treating young pear trees.The process, according to the invention, comprises the extra-root treatment of trees with 0.01% aqueous solution of glycosides obtained from Verbascum phlomoides L. by extraction upon boiling with 80% ethyl water-methanol solution, extraction with ethyl acetate, precipitation with chloroform and chromatographic separation of the fraction with Rf 0.64…0.5, at the same time the treatment is carried out in 2…3 weeks after flowering with a total consumption of 800…1000 L/ha. |
