The Potassium Phosphite-Based Fungicide Canon^® Controls Basil Downy Mildew Under Greenhouse Conditions in Israel

IF 1.7 Q2 PLANT SCIENCES

Plant Health Progress Pub Date : 2023-10-02 DOI:10.1094/php-07-23-0062-rs

Nadav Nitzan, Hezi Goren

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引用次数: 0

Abstract

Sweet basil downy mildew (BDM), caused by Peronospora belbahrii is the most destructive disease of commercially produced sweet basil in Israel and unless properly managed, may lead to 100% yield reduction. Four experiments were conducted over three growing seasons (fall 2021, fall 2022 and spring 2023) under commercial-like conditions to determine the efficacy of the phosphonic acid-based fungicide Canon ® following a conservative, seven-day protective spraying protocol. While Canon did not eradicate the pathogen, treated plants had 41 to 99.9% less (P<0.05) disease incidence and / or severity than the untreated control plants. The disease scores on plants treated with Canon were similar (P>0.05) to an alternation of Revus ® / Cabrio ® in fall 2021; less (P<0.05) than Revus in fall 2022 and higher (P<0.05) than an alternation of Acrobat ® / Cabrio at the end of the spring 2023 experiment. The inhibitory effect of Canon, its short pre-harvest application interval and low cost compared to other fungicides make it an excellent addition and a potential replacement for controlling BDM under greenhouse conditions that should be further explored.

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以磷酸钾为基础的杀菌剂佳能®控制以色列温室条件下的罗勒霜霉病

甜罗勒霜霉病(BDM)是由Peronospora belbahrii引起的，是以色列商业生产的甜罗勒最具破坏性的疾病，除非管理得当，可能导致产量减少100%。在商业条件下，在三个生长季节(2021年秋季、2022年秋季和2023年春季)进行了四项实验，以确定膦酸基杀菌剂Canon®在保守的7天保护性喷洒方案下的功效。虽然佳能没有根除病原体，但处理过的植株的发病率和/或严重程度比未经处理的对照植株低41%至99.9% (P<0.05)。佳能处理植株的疾病评分与2021年秋季Revus®/ Cabrio®交替处理植株的疾病评分相似(P>0.05);在2022年秋季低于Revus (P<0.05)，在2023年春季试验结束时高于Acrobat®/ Cabrio的交替(P<0.05)。与其他杀菌剂相比，佳能的抑菌效果好，收获前施用间隔短，成本低，是温室条件下防治BDM的优良添加剂和潜在替代品，值得进一步探索。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plant Health Progress Agricultural and Biological Sciences-Horticulture

CiteScore

3.00

自引率

13.00%

发文量

期刊介绍： Plant Health Progress, a member journal of the Plant Management Network, is a multidisciplinary science-based journal covering all aspects of applied plant health management in agriculture and horticulture. Both peer-reviewed and fully citable, the journal is a credible online-only publication. Plant Health Progress is a not-for-profit collaborative endeavor of the plant health community at large, serving practitioners worldwide. Its primary goal is to provide a comprehensive one-stop Internet resource for plant health information.

The Potassium Phosphite-Based Fungicide Canon® Controls Basil Downy Mildew Under Greenhouse Conditions in Israel

Abstract

The Potassium Phosphite-Based Fungicide Canon^® Controls Basil Downy Mildew Under Greenhouse Conditions in Israel