Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase

A significant dieback of apricots first years after planting, known as apoplexy of apricots, represents an important problem for growers. Studies are being conducted to identify causes of this phenomenon to prevent massive withering in apricot orchards. Between 2018 and 2021, health status of an exp...

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Autor principal:	Martina Rejlová
Formato:	article
Lenguaje:	CS EN
Publicado:	VÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o. 2021
Materias:	apricots pcr diagnostics european stone fruit yellows esfy cytospora Plant culture SB1-1110 Botany QK1-989
Acceso en línea:	https://doaj.org/article/ace944fda0d94e71b7ec0aba46bc07ca
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id	oai:doaj.org-article:ace944fda0d94e71b7ec0aba46bc07ca
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spelling	oai:doaj.org-article:ace944fda0d94e71b7ec0aba46bc07ca2021-11-24T06:27:05ZZdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase2695-1347https://doaj.org/article/ace944fda0d94e71b7ec0aba46bc07ca2021-11-01T00:00:00Zhttps://vpovsuo.cz/wp-content/uploads/2021/11/9_Rejlova-2_VPO-27_2_21.pdfhttps://doaj.org/toc/2695-1347A significant dieback of apricots first years after planting, known as apoplexy of apricots, represents an important problem for growers. Studies are being conducted to identify causes of this phenomenon to prevent massive withering in apricot orchards. Between 2018 and 2021, health status of an experimental apricot orchard was monitored, in which nearly 10 % of trees died two-to-four years before 2018. Within the next three years, samples were collected three times (August 2018, December 2019, and May 2021) to study prevalence of pathogens in time. Sprout samples were PCR-analyzed for the presence of the following pathogens: ˈCandidatus Phytoplasma prunorumˈ, Pseudomonas syringae, and Cytospora spp. Our results showed an increase in prevalence of ˈCa. P. prunorumˈ in symptomatic trees (from slightly less than 40 % to nearly 60 %), while in asymptomatic trees the prevalence remains about the same (20 % – 26.4 %). Prevalence of Cytospora spp. was also considerably increased in older trees – it was detected in more than 25 % of apricots five to seven years of age. The presence of P. syringae was influenced by weather and sampling date, and it was not possible to assess its role in apricot apoplexy. Thus, ˈCandidatus Phytoplasma prunorumˈ and Cytospora fungi are likely two main players that adversely affect health status of apricot orchards, resulting in pre-mature dying of infected trees.Martina RejlováVÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o.articleapricotspcr diagnosticseuropean stone fruit yellowsesfycytosporaPlant cultureSB1-1110BotanyQK1-989CSENVědecké Práce Ovocnářské, Vol 27, Iss 2, Pp 119-132 (2021)
institution	DOAJ
collection	DOAJ
language	CS EN
topic	apricots pcr diagnostics european stone fruit yellows esfy cytospora Plant culture SB1-1110 Botany QK1-989
spellingShingle	apricots pcr diagnostics european stone fruit yellows esfy cytospora Plant culture SB1-1110 Botany QK1-989 Martina Rejlová Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
description	A significant dieback of apricots first years after planting, known as apoplexy of apricots, represents an important problem for growers. Studies are being conducted to identify causes of this phenomenon to prevent massive withering in apricot orchards. Between 2018 and 2021, health status of an experimental apricot orchard was monitored, in which nearly 10 % of trees died two-to-four years before 2018. Within the next three years, samples were collected three times (August 2018, December 2019, and May 2021) to study prevalence of pathogens in time. Sprout samples were PCR-analyzed for the presence of the following pathogens: ˈCandidatus Phytoplasma prunorumˈ, Pseudomonas syringae, and Cytospora spp. Our results showed an increase in prevalence of ˈCa. P. prunorumˈ in symptomatic trees (from slightly less than 40 % to nearly 60 %), while in asymptomatic trees the prevalence remains about the same (20 % – 26.4 %). Prevalence of Cytospora spp. was also considerably increased in older trees – it was detected in more than 25 % of apricots five to seven years of age. The presence of P. syringae was influenced by weather and sampling date, and it was not possible to assess its role in apricot apoplexy. Thus, ˈCandidatus Phytoplasma prunorumˈ and Cytospora fungi are likely two main players that adversely affect health status of apricot orchards, resulting in pre-mature dying of infected trees.
format	article
author	Martina Rejlová
author_facet	Martina Rejlová
author_sort	Martina Rejlová
title	Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
title_short	Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
title_full	Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
title_fullStr	Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
title_full_unstemmed	Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase
title_sort	zdravotní stav a patogeny v experimentální výsadbě meruněk: vývoj v čase
publisher	VÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o.
publishDate	2021
url	https://doaj.org/article/ace944fda0d94e71b7ec0aba46bc07ca
work_keys_str_mv	AT martinarejlova zdravotnistavapatogenyvexperimentalnivysadbemerunekvyvojvcase
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Zdravotní stav a patogeny v experimentální výsadbě meruněk: Vývoj v čase

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