THE USE OF GROWTH REGULATORS IN PROPAGATION OF BLACK CURRANT VARIETY SPECIMENS BY HERBACEOUS CUTTINGS
Abstract
Results are given from studies on using growth regulators in the propagation of black currant variety specimens (Glarioza, 1-32, 2-13 and 195-9-81) of various genetic origins by herbaceous cuttings. The studies were conducted in Novosibirsk Region in 2015 and 2016. Annual green shoots of black currant specimens were the initial material. The effects of growth regulators Zircon, Epin Extra and Biostim on the rooting ability, extent of root growth and the number of roots in the cuttings were studied. The process solution was 0.5 ml of the preparation per liter of water. The black currant cuttings were soaked in growth regulator solutions for 16 hours. In the control, solutions were replaced with water. The cuttings were planted in plastic green-house beds. The rooting ability of all the samples for two years made up 100 percent, except for 195-9-81 (90.6 to 100 percent). The growth regulators influenced root formation in different ways. In the variant of the 2-13 black currant specimens with Biostim, the growth of the above-ground part of the cutting rooted has the best result of 23.7 cm. In 2016, the largest number of roots was observed in the variant of Glarioza cultivar with Biostim, and amounted 41.3 cm, the variant of 2-13 hybrid with Zircon showed 38.4 cm; in 2015, the variant of 2-13 hybrid with Zircon showed 38.1 cm of growth. The growth regulators Zircon, Epin Extra and Biostim have positive effect on increasing the number of black currant roots as compared to the control. The number and the length of roots as influenced by various preparations and their concentrations depend on the state of parent plants and shoots cut.
About the Author
O. N. Kosheva
Siberian Research Institute of Plant Production and Breeding – Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Junior Researcher,
Krasnoobsk, Novosibirsk Region, 630501
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Review
For citations:
Kosheva O.N. THE USE OF GROWTH REGULATORS IN PROPAGATION OF BLACK CURRANT VARIETY SPECIMENS BY HERBACEOUS CUTTINGS. Siberian Herald of Agricultural Science. 2017;47(2):23-27. (In Russ.)
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