Influence of the component composition of nutrient media upon the introduction into the culture in vitro of explants of Prikubanskoe and Kubanskoe Bagryanoe apple varieties-Reference-Cited by-同舟云学术

Influence of the component composition of nutrient media upon the introduction into the culture in vitro of explants of Prikubanskoe and Kubanskoe Bagryanoe apple varieties

Published:2020-11-21 Issue:5 Volume: Page:18-23
ISSN:2618-9003
Container-title:Horticulture and viticulture
language:
Short-container-title:Sadovodstvo i vinogradarstvo

Author:

Lobodina E. V.¹,Suprun I. I.¹,Avakimyan A. O.¹,Al-Nakib E. A.¹

Affiliation:

1. North Caucasian Federal Scientific Center of Horticulture, Viticulture, Wine-making

Abstract

The work reflects the aspects of introducing two varieties of apple trees into the culture in vitro: Prikubanskoe and Kubanskoe Bagryanoe. The aims of study included testing a new disinfection protocol that accurately regulates the content of active chlorine in the disinfecting solution, as well as studying the regenerative ability of explants of apple trees of the Prikubanskoe and Kubanskoe Bagryanoe varieties on different culture medium: Murashige and Skoog (MS) ¼ NH4 NO3 , and Kvorin-Lepuavra (QL). The disinfection protocol used made it possible to obtain an insignificant level of explant contamination with fungal infection in passage zero, which indicates the effectiveness of the tested extraction protocol. The contamination of explants in passage zero by fungal infection was insignificant, which indicates the high efficiency of the sterilizing agent. The level of bacterial infection is higher in the Kubanskoe Bagryanoe variety (21.3 % of the total amount of explants). The influence of the component composition of nutrient media on the primary growth of apple micro-shoots was revealed. The following results were obtained: the yield of viable explants of the Prikubanskoe variety grown on nutrient medium MS ¼ NH4 NO3 was 44,4 %, which is 16,4 % higher than explants grown on QL medium (28 %). Explants of the Kuba nskoe bagryanoe variety, in turn, have a yield of vital microplants grown on MS ¼ NH4 NO3 16.7 %, which is 30.4 % lower than explants grown on QL medium (47.1 %). The combined effect of the genotype and the composition of the nutrient medium on the development of explants was statistically significant for the studied parameters. The share of the cumulative effect of factors of the variety x medium is 74.93 %, the influence of the genotype is 20.72 %. The data obtained indicate the variety specificity of the nutrient medium during clonal micropropagation of these apple varieties.

Publisher

Federal State Budgetary Scientific Institution All-Russian Horticultural Institute for Breeding Agrotechnology and Nursery

Subject

Pharmacology (medical)

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