INFLUENCE OF GROWING MEDIUM COMPOSITION AND LEAF FERTILIZING WITH GROWTH REGULATORS ON ADAPTIVE SWEET-BERRY HONEYSUCKLE YIELD

The article shows an effect of applying bog peat growing medium and double postplanting treatment with growth regulators during adaptation of sweet-berry honeybuckle microplants. The research found out that application of bog peat growing medium instead of lowland peat reduced establishment of microplants on 10.2 %, adaptive plants yield on 9.9 %, their height on 3.6 %, terminal shoot on 4.6 % and leafage on 3.5 %. Double postplanting treatment of sweet-berry honeybuckle microplants with HB-101 and Ribav-Extra specimens increased establishment on 11.3 and 6.7 % and adaptive plants yield on 11.0 and 6.5 %. The paper explores the research results of the control group and experimental group and speaks about double postplanting treatment of adaptive plants with HB-101, Ribav-Extra and Biosil. This increased plants height on 0.6 sm, 1.5 sm and 0.4 sm and growth on 3.4, 4.6 and 0.4 sm correspondently. Application of growth regulators for postplanting treatment increased the number of leaves on 2.8, 3.7 and 2.4 in comparison with the control group (5.0). The authors observed positive effect of microplants postplanting treatment with growth regulators on root length in the variant where HB-101 was applied. Root system was 2.6 and 2.5 points influenced by HB-101 and Ribav-Extra regulators whereas the control variant was 2.4 points. Combination of bog peat growing medium and postplanting double treatment with HB-101 specimen appeared to be the most effective for adaptation of sweet-berry honeybuckle microplants.

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