BIO Web Conf.
Volume 34, 2021International Scientific Conference “Biologization of the Intensification Processes in Horticulture and Viticulture” (BIOLOGIZATION 2021)
|Number of page(s)||6|
|Section||Biologized Technologies of Plant Protection for Optimization of the Phytosanitary and Production Potential of Perennial Agrocenoses|
|Published online||10 September 2021|
Susceptibility of collection pear cultivars to the agent of scab pathogen Venturia pirina Aderh
The Nikitsky Botanical Gardens - National Scientific Center of the Russian Academy of Sciences, Nikita village, Yalta, 298648, Republic of the Crimea
* Corresponding author: email@example.com
The objective of the research is to study the biology of the pathogen of the scab Venturia pirina Aderh depending on the agrometeorological conditions of the pear vegetation and to assess the collection cultivars for susceptibility to the disease. The biological features of the pear scab in the western foothill agro-climatic region of the Crimea are studied. The influence of climatic conditions on the occurrence of various epidemiological types of scab manifestations on pears is estimated. As a result of the research, highly resistant cultivars were found: Zhukovka, Zaporozhskaya, Triumph of Jodoin, Vodyanistaya, Dorodnaya, Bere Shibasso, Martin Sekl, which showed moderate levels of infection spread in all years of research, with the development of the disease in the range of 0.2-1.3%. Immune cultivars of pears with absolute resistance to the pathogen agent V. pirina, which was not affected by changes in weather conditions, were identified. These cultivars are the following: Zimovka, Trapezitsa, Chervona, Shara Bera, Seyanets Kolossa, Populyarnaya, Kurzemskaya Maslyanaya, Wonderful Italy, which can be used in breeding and ecologized protection systems when supplying with cuttings horticultural industries in the Crimea and the south of Russia.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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