Abstract
The apple tree (Malus sp.) is the most cultivated plant in the world. Apple orchards cover a large area. scab (Venturia inaequalis) causes significant damage to the economies of many countries that are engaged in the production of apple trees. In Uzbekistan, most of the orchards are apple orchards. The present study includes a molecular genetic analysis of the resistance of local apple cultivars to pathogens Venturia inaequalis in local apple cultivars grown in Uzbekistan and the results of identification of resistance genes. The paper presents the results of molecular genetic analysis of the combination of scab resistance genes (Vf, Vfa1, Vfa2) found in 15% of samples. In 58.7% of the studied samples, a “high level of resistance” to scab was revealed.
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