BIO Web Conf.
Volume 25, 2020International Scientific Online-Conference “Bioengineering in the Organization of Processes Concerning Breeding and Reproduction of Perennial Crops” 2020
|Number of page(s)||6|
|Section||Modern Methods of Diagnosis and Monitoring of Phythopathogene and the Usage of Such Methods in Problem Solution in Plant Nursery|
|Published online||01 October 2020|
Root rot of anthracnose mother plants of garden strawberry: morphological and cultural characteristics of the pathogen and the search for effective fungicides
Federal State Budget Scientific Institution «North Caucasian Federal Scientific Center of Horticulture, Viticulture, Wine-making», 39 str. 40 Let Pobedy, Krasnodar, 350901, Russia
* Corresponding author: email@example.com
On the territory of the Krasnodar region, anthracnose root rot, the causative agent Colletotrichum аcutatum Simmonds, is one of the most harmful diseases in the mother plants of garden strawberry. The death of affected plants ranges from 33 to 100 %. Purpose of the research was to study the morphological and cultural characteristics of the causative agent of anthracnose root rot in the mother plant of garden strawberries in the region and to assess the effectiveness of fungicides in controlling the pathogen. The studies were carried out at FGBNU SKFNTSSVV in 2018-2020 using generally accepted techniques. The object of the research is pure cultures of C. acutatum. The morphological and cultural characteristics of C. acutatum were studied on three culture media. A high diversity of the identified morphotypes was shown in terms of the size of conidia and conidiophores, the shape and color of apressoria, and the method of formation of acervules. The influence of seven fungicides of various chemical classes on the development of C. аcutatum spores has been assessed. Under in vitro conditions at the indicated concentrations, the preparations Luna Tranquility, SC (0,15 %), Sercadis Plus, SC (0,1 and 0,15 %), Strobi, WG (0,05 %), Horus, WG (0,04 %) and Skor, EC (0,04 and 0,05 %) completely prevented the formation of fungal spores.
© The Authors, published by EDP Sciences, 2020
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