THE USE OF EPIN-EXTRA PLANT GROWTH REGULATOR IN THE PROPAGATION OF PEAR VARIETIES IN ARTIFICIAL FOG CONDITIONS
Plant growth stimulants play a very important role in plant life. They are able to stimulate root formation in various crops, such as apple, pear, cherry, plum and many others. The article presents the results of research on the use of plant growth regulator epin-extra. With the help of this drug, green cuttings of pear varieties are able to take root over 50.0%. Rooting of green pear cuttings was carried out in a greenhouse with a film coating, equipped with a fog-forming installation. The cuttings were planted in a moist substrate at an angle of 45 °. A mixture of peat and river sand in a ratio of 1:1 was used as a substrate for rooting. Experiments were laid in three-fold repetition of 120 cuttings in each repetition. The number of varietals: varieties - Autumn Yakovleva (k), Svetlyanka, Irista, Nika, Pervomayskaya, Tenderness, Alegro, Yakovlev's Favorite, Skorospelka from Michurinsk.