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Type of publication: Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Maliauskaitė, Donata
Contributor(s): Ramaškevičienė, Asta;Mažeikienė, Ingrida
Title: Connel red obels veislės devirusavimas in vitro
Other Title: Virus elimination in Connel red apple tree variety in vitro
Is part of: Jaunasis mokslininkas 2013: studentų mokslinės konferencijos pranešimų rinkinys / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija,, 2013
Extent: p. 29-32
Date: 2013
Abstract: The aim of the study is to eliminate viruses from the microshoots of the Connel Red apple tree variety by applying the chemotherapy and thermotherapy methods. The tests were carried out in the garden plant genetics and biotechnology laboratory of the Horticulture Institute (LAAMC SDI). For the virus research, leaves of the Connel Red apple tree variety were collected in the garden of genetic resources of the Horticulture Institute of the Lithuanian Research Centre for Agriculture and Forestry, and analysed using the PGR method. The apple chlorotic leaf spot virus – ACLSV – was detected in the Connel Red apple tree variety. The Connel Red apple tree variety was introduced to the in vitro system. Chemotherapy and thermotherapy methods were applied for the virus elimination. Chemotherapy was performed by planting the tips of the apple tree microshoots on the MS medium (strawberry propagation) + 0.75 mg/l BAP + 30 g sucrose + 7 g plant agar, pH 5.8, with different concentrations of ribavirin 10, 20, 30, 40 and 50 mg/l-1. The plants were kept in the cultivation room for one week (temperature 21°C, photoperiod 16/8 h), and those subject to chemotherapy and thermotherapy were additionally grown for 7 days at the temperature of 39 °C. After the virus elimination, microshoots were propagated in vitro and counted and replanted after 30 and 60 days. In 60 days the microshoots were checked for viruses using the PGR meth-od. It was found that with the combined application of chemotherapy and thermotherapy on Connel Red microshoots had more negative effects on their vitality, rather than with thermotherapy alone. The most negative effects were obtained using 30 mg l-1 ribavirin in the MS nutrient medium for virus elimination
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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