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EFFECTIVENESS OF GROWTH STIMULANTS IN THE CULTIVATION OF KOREAN RED PINE SEEDLINGS (PINUS DENSIFLORA SIEBOLD ET ZUCC.

IN THE PRIMORSKY KRAI CONDITIONS

Ostroshenko, V. Y., & Poleschuk, V. A.

2019

IN THE PRIMORSKY KRAI CONDITIONS

The influence of root-feeding stimulants Crezacin, Ribav-Extra, Zircon, Ecopin, Epin-Extra on the growth of Korean red pine seedlings (Pinus densiflora Siebold et Zucc.) at growing planting material is studied. Higher growth activity was observed in seedlings fed with growth stimulants Crezacin, Ribav-Extra and Ecopin at solution concentrations of 1ml/5l and 1ml/10l. It was revealed that these stimulants increase the growth of seedlings in height, neck diameter and root lobe length, and biomass. In the second year of seedlings growth, the laying of buds of side shoots was noted. Biennial seedlings, when using these stimulants in terms of growth, meet the requirements of the current OST 56-98-93. They can be used for planting on the forest area and transplanting into the school nursery department, for further cultivation of seedlings.

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El Proyecto de Ecología Liana es apoyado por la Universidad Marquette y financiado en parte por la National Science Foundation.