Postharvest Treatments with Three Yeast Strains and Their Combinations to Control Botrytis cinerea of Snap Beans

Three yeast strains, namely Cryptococcus albidus (Ca63), Cryptococcus albidus (Ca64), and Candida parapsilosis (Yett1006), and their combinations, including single yeast agent, two combined yeast strains, single yeast agent + NaHCO3...

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Autores principales:	Mingfang Feng, You Lv, Tiantian Li, Xinmao Li, Jiayin Liu, Xiuling Chen, Yao Zhang, Xu Chen, Aoxue Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	snap beans <i>Botrytis cinerea</i> combinations biocontrol yeasts postharvest treatments Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/df4564fb9efc4202904c2e851f04cdad
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spelling	oai:doaj.org-article:df4564fb9efc4202904c2e851f04cdad2021-11-25T17:35:02ZPostharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans10.3390/foods101127362304-8158https://doaj.org/article/df4564fb9efc4202904c2e851f04cdad2021-11-01T00:00:00Zhttps://www.mdpi.com/2304-8158/10/11/2736https://doaj.org/toc/2304-8158Three yeast strains, namely <i>Cryptococcus albidus</i> (Ca63), <i>Cryptococcus albidus</i> (Ca64), and <i>Candida parapsilosis</i> (Yett1006), and their combinations, including single yeast agent, two combined yeast strains, single yeast agent + NaHCO<sub>3</sub>, single yeast agent + chitosan, single yeast agent + ascorbic acid, and single yeast agent + konjac powder, were evaluated for their activity against <i>Botrytis cinerea</i>, the most economically important fungal pathogens causing postharvest disease of snap beans. In in vitro tests, no inhibition zone was observed in dual cultures of three yeast strains and <i>B. cinerea.</i> The mycelial growth inhibition rates of <i>B. cinerea</i> for Ca63, Ca64, and Yett1006 were 97%, 95%, and 97%, respectively. In in vivo tests, the optimal combination of the lowest disease index of snap beans with <i>B. cinerea</i> was Ca63 + Ca64, with a preventing effect of 75%. The decay rate and rust spots index of Ca64 + ascorbic acid combination were 25% and 20%, respectively, which were the lowest. The activities of defense-related enzymes increased, while malondialdehyde (MDA) content was suppressed in snap beans after different treatments. Our results highlight the potential of the three yeast strains and their combinations as new nonpolluting agents for the integrated control of <i>B. cinerea</i> on snap beans.Mingfang FengYou LvTiantian LiXinmao LiJiayin LiuXiuling ChenYao ZhangXu ChenAoxue WangMDPI AGarticlesnap beans<i>Botrytis cinerea</i>combinationsbiocontrol yeastspostharvest treatmentsChemical technologyTP1-1185ENFoods, Vol 10, Iss 2736, p 2736 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	snap beans <i>Botrytis cinerea</i> combinations biocontrol yeasts postharvest treatments Chemical technology TP1-1185
spellingShingle	snap beans <i>Botrytis cinerea</i> combinations biocontrol yeasts postharvest treatments Chemical technology TP1-1185 Mingfang Feng You Lv Tiantian Li Xinmao Li Jiayin Liu Xiuling Chen Yao Zhang Xu Chen Aoxue Wang Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
description	Three yeast strains, namely <i>Cryptococcus albidus</i> (Ca63), <i>Cryptococcus albidus</i> (Ca64), and <i>Candida parapsilosis</i> (Yett1006), and their combinations, including single yeast agent, two combined yeast strains, single yeast agent + NaHCO<sub>3</sub>, single yeast agent + chitosan, single yeast agent + ascorbic acid, and single yeast agent + konjac powder, were evaluated for their activity against <i>Botrytis cinerea</i>, the most economically important fungal pathogens causing postharvest disease of snap beans. In in vitro tests, no inhibition zone was observed in dual cultures of three yeast strains and <i>B. cinerea.</i> The mycelial growth inhibition rates of <i>B. cinerea</i> for Ca63, Ca64, and Yett1006 were 97%, 95%, and 97%, respectively. In in vivo tests, the optimal combination of the lowest disease index of snap beans with <i>B. cinerea</i> was Ca63 + Ca64, with a preventing effect of 75%. The decay rate and rust spots index of Ca64 + ascorbic acid combination were 25% and 20%, respectively, which were the lowest. The activities of defense-related enzymes increased, while malondialdehyde (MDA) content was suppressed in snap beans after different treatments. Our results highlight the potential of the three yeast strains and their combinations as new nonpolluting agents for the integrated control of <i>B. cinerea</i> on snap beans.
format	article
author	Mingfang Feng You Lv Tiantian Li Xinmao Li Jiayin Liu Xiuling Chen Yao Zhang Xu Chen Aoxue Wang
author_facet	Mingfang Feng You Lv Tiantian Li Xinmao Li Jiayin Liu Xiuling Chen Yao Zhang Xu Chen Aoxue Wang
author_sort	Mingfang Feng
title	Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
title_short	Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
title_full	Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
title_fullStr	Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
title_full_unstemmed	Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans
title_sort	postharvest treatments with three yeast strains and their combinations to control <i>botrytis cinerea</i> of snap beans
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/df4564fb9efc4202904c2e851f04cdad
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Postharvest Treatments with Three Yeast Strains and Their Combinations to Control <i>Botrytis cinerea</i> of Snap Beans

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