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Optimization of the methods of lavender cell selection for resistance to low temperature stress

The influence of low-temperature stress on the callus culture development of Lavandula angustifolia was investigated. The use of morphogenic callus is more effective for cell selection than that of non morphogenic one. The sublethal regime of treatment by stress factor for morphogenic callus was determined – freezing during 19 days when air temperature decreases gradually to –14 °C. Resistant lines were selected, then plants were regenerated from them