TY JOUR TI INCREASE IN THE YIELD OF PLANTING MATERIAL WHEN USING THE METHOD OF LIGNIFIED CUTTINGS OF GRAPES KW lignified cuttings KW grapes KW varieties KW rooting rate KW solution concentrations KW β-indolylbutyric acid KW salicylic acid KW auxins KW seedlings JO Agrobiotechnologies and digital farming AU Abramov, A.G. AU Abramova, G.V. AU Ismail, S.A. AU Shalamova, A.A. PY 2023 IS 2 PB Kazan state agrarian University