%0 Journal Article %T The use of succinic acid plant growth regulator in rooting lignified cuttings of pear varieties and forms %A Zacepina, I.V. %K pear, shapes, varieties, rootability, plant growth regulator, succinic acid %J Agrobiotechnologies and digital farming %D 2024 %N 3 %P 5 %I Kazan state agrarian University