中性电解水体外抗尖孢镰刀菌试验及其在番茄、莴苣和黄瓜种子萌发预处理中的应用

IF 8 Q1 ENERGY & FUELS Energy nexus Pub Date : 2023-10-13 DOI:10.1016/j.nexus.2023.100249
Diana V. Melo-Sabogal , Erika N. García-Sánchez , Diana Alonso-Segura , Esmeralda Contreras-Morales , Daphne Ojeda-Rodríguez , Andrés Salinas-Botello , Yunny Meas , Víctor M. Hernández-Pimentel
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引用次数: 0

摘要

种子发芽对幼苗过程至关重要,需要新技术来提高作物产量。有些物质被认为是激发剂或刺激剂,因为它们促进种子发芽和植物生长(如根和胚芽的长度,以及发芽率等)。其中一些可以在植物生长期间施用,或在发芽前的早期阶段作为种子预处理。中性电解水(NEW)是一种氧化剂溶液,主要用于食品病原菌的抑菌作用,而对植物病原菌的抑菌作用报道较少。本研究旨在评价NEW对番茄(Lycopersicon esculentum)、黄瓜(Cucumis sativus)和生菜(Lactuca sativa L.)种子萌发和形态参数的影响,并评价NEW对尖孢镰刀菌(F. oxysporum)的体外活性。研究了NEW在种子预处理中的体外和体内作用,以及对尖孢镰刀菌的体外抑菌作用。50 mg/L的NEW离体处理使孢子浓度降低,大于4 log孢子/mL。对NEW预处理后的发芽参数和形态变量进行了分析。对于离体萌发,75 mg/L的NEW预处理对萌发参数没有影响,但最高剂量对萌发参数略有不利(与水对照相比为4%)。在体内萌发方面,100 mg/L的NEW预处理对黄瓜种子的发芽率有促进作用(100% FGP对83% FGP的水分对照)。对番茄种子萌发既无刺激作用,也无不良影响(与水分对照的比例相同)。在12和24 h的处理时间内,对生菜种子萌发有抑制作用(新处理73%,水分对照90%)。对于番茄和生菜种子,50 mg/L的NEW预处理12 h可提高其萌发能力。
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In vitro assay of neutral electrolyzed water against Fusarium oxysporum and its application as germination pretreatment on tomato (Lycopersicon esculentum), lettuce (Lactuca sativa L.) and cucumber (Cucumis sativus) seeds.

Seed germination is critical for seedling procedures, and new technologies are required to increase crop yields. Some substances are considered elicitors or stimulating agents because they promote seed germination as well as plant growth (like root and plumule length, and germination rate among others). Some of these, could be applied during plant growth, or in earlier phases before germination as seeds pretreatment. Neutral electrolyzed water (NEW) is a solution of oxidizing agents mainly studied for its antimicrobial power mainly applied to food pathogens, and in less reports to phytopathogens. The objective of this work is to evaluate the effect of NEW on germination and morphological parameters of tomato (Lycopersicon esculentum), cucumber (Cucumis sativus) and lettuce (Lactuca sativa L.) seeds as well as to evaluate the in vitro activity of NEW against F. oxysporum. Two experiments were carried out to determine the in vitro and in vivo effects of NEW in seed pretreatment and another in vitro experiment was also carried out to determine antifungal effect against F. oxysporum. NEW in vitro treatments at 50 mg/L decreased spore concentration greater than 4 log spores/mL. Germination parameters and morphological variables were analyzed after NEW pretreatments. For in vitro germination, NEW pretreatments up to 75 mg/L did not show effect on germination parameters however highest dose was slightly adverse (4 % against water control). For in vivo germination, NEW pretreatment of 100 mg/L had a stimulating effect on the germination rate in cucumber seeds (100 % FGP against 83 % FGP for water control). For tomato seeds germination neither stimulate nor adverse effect was observed (same percentage as water control). For lettuce seeds germination an inhibitory effect for 12 and 24 h of exposure time was achieved (73 % NEW treatment against 90 % of water control). For tomato and lettuce seeds, the NEW pretreatment of 50 mg/L during 12 h increased its germination capacity.

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来源期刊
Energy nexus
Energy nexus Energy (General), Ecological Modelling, Renewable Energy, Sustainability and the Environment, Water Science and Technology, Agricultural and Biological Sciences (General)
CiteScore
7.70
自引率
0.00%
发文量
0
审稿时长
109 days
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