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Siberian Journal of Forest Science

2022 year, number 1

ADAPTATION OF EUROPEAN CRANBERRY TO NON-STERILE CONDITIONS WITH THE ADDITION OF ORGANIC PRODUCTS AND HORMONES

S. S. Makarov1, I. B. Kuznetsova2, S. A. Rodin3, S. Yu. Tsaregradskaya3, A. I. Belan4
1Central European Forest Experimental Station, Kostroma, Russian Federation
2Kostroma State Agricultural Academy, Karavaevo, Russian Federation
3All-Russian Scientific Research Institute of Silviculture and Mechanization of Forestry, Pushkino, Russian Federation
4Petrozavodsk State University, Petrozavodsk, Russian Federation
Keywords: clonal micropropagation, cultivar, root formation, survival rate, peat, yield

Abstract

The results of studies on rooting in vitro of European cranberry Oxycoccus palustris Pers. plants of Dar of Kostroma cultivar and hybrid form 1-15-635 during clonal micropropagation on a WPM 1/4 nutrient medium and its adaptation to non-sterile conditions. With an increase in the concentration of IAA from 0.5 to 1.0 ml/l and with the addition of Ecogel at a concentration of 0.5 mg/l the number of roots of European cranberry plants of the Dar of Kostroma cultivar increased by 36.7 %, of the hybrid form 1-15-635 - by 7.4 % at the stage of rooting in vitro. Substrates from high-moor peat are used with the addition of mycorrhizal-type ecological preparations (Mycorrhiza, Biomikoriza, Mycogel) at the stage of adaptation of European cranberry to non-sterile conditions ex vitro . The maximum survival (98-100 %) of cranberry are observed when using a peat substrate with the addition of Mycorrhiza. The timing of transplantation had a significant impact on the survival rate of cranberry plants. The best survival rates (84-86 %) are observed in plants of both cultivars transplanted in May. The survival rate of plants is high (92-96 %) in the first year of cultivation after transplanting European cranberry to a high-moor peat plot under natural conditions. Yield data has a high values.