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PCR–RFLP analysis for detecting potential QoI and CAA fungicide resistance in onion and lettuce downy mildews
Downy mildew of onion and lettuce, caused by Peronospora destructor and Bremia lactucae , respectively, is distributed worldwide. Control of these...
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Sequence analysis of cytochrome b gene in Vietnamese isolates of Hemileia vastatrix, the causal agent of coffee leaf rust, in relation to potential QoI fungicide resistance
Coffee leaf rust, caused by Hemileia vastatrix , is a devastating fungal disease threat to coffee production and the economy globally. Spraying...
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Evaluation of the risk of development of resistance to QoI fungicide ZJ0712 in Podosphaera xanthii under greenhouse conditions
Greenhouse-grown cucumbers were monitored over two successive growing seasons to investigate the effects of successive application of ZJ0712, a new...
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Acquired QoI resistance in Pyrenophora teres through an interspecific partial gene transfer by Pyrenophora tritici-repentis?
In European QoI monitoring studies from 2019 on Pyrenophora teres , the causal agent of net blotch in barley, an isolate (ISO-2210) was identified...
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First report of QoI resistance in Italian population of Pyricularia oryzae
Rice blast disease, caused by Pyricularia oryzae Cavara, is considered the most destructive rice disease in Italy. Quinone outside inhibitor (QoI)...
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Mutations associated with fungicide resistance in Colletotrichum species: A Review
Anthracnose is an important plant disease often caused by Colletotrichum spp. Fungicide resistance is a major challenge in controlling anthracnose....
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Metyltetraprole activity against plant pathogens with relatively rare cytochrome b haplotypes for azoxystrobin resistance
Metyltetraprole is a novel quinone outside inhibitor (QoI) fungicide designed to avoid cross-resistance in cytochrome b G143A-harboring QoI-resistant...
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Baseline sensitivity of QoI-resistant isolates of Pyrenophora tritici-repentis from Argentina to fenpicoxamid
Tan spot (TS) of wheat caused by Pyrenophora tritici-repentis ( Ptr ) is an important disease worldwide. Premixes of quinone outside inhibitors (QoI)...
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Selection of Phakopsora pachyrhizi-resistant isolates by fungicide applications in the field within the same season
The management of Asian soybean rust (ASR) involves a combination of cultural and chemical strategies. Phakopsora pachyrhizi- resistant isolates to...
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Sensitivity evolution in Venturia inaequalis towards SDHIs in comparison to other modes of action
Succinate dehydrogenase inhibitors (SDHIs) are an important group of fungicides (FRAC Group 7) for the control of Venturia inaequalis . Mechanisms...
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First report of QoI resistance in Cercospora beticola in sugar beet in Japan
QoI fungicides have been an important tool for controlling Cercospora leaf spot (CLS) of sugar beet in Japan. In 2013, CLS control failed at an...
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The use of long-read PCR amplicon sequencing to study the evolution of resistance to zoxamide, oxathiapiprolin and complex III inhibitors in French Plasmopara viticola field populations
Molecular methods are one of the most effective tools to monitor fungicide resistance. Long-read sequencing is an emerging technology in the field of...
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Frogeye leaf spot caused by Cercospora so**a: A review
Frogeye leaf spot (FLS), caused by Cercospora so**a , is an economically important disease of soybean in many parts of the world where soybean is...
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Fungicide sensitivity of Colletotrichum isolates and efficacy in controlling persimmon anthracnose
To control persimmon anthracnose, fungicides are applied from flowering until fruit harvest. Systemic fungicides registered for this crop are mainly...
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QoI Fungicide Resistance Mutations in Alternaria solani and Alternaria alternata are Fully Established in Potato Growing Areas in Bavaria and Dual Resistance against SDHI Fungicides is Upcoming
Alternaria leaf spots caused by Alternaria solani and Alternaria alternata are a major foliar disease of potatoes. Reduced sensitivity of A. solani and...
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Characterization of DMI, QoI and SDHI fungicides sensitivity of Ramularia collo-cygni isolates in Argentina
Ramularia leaf spot (RLS) caused by the fungus Ramularia collo-cygni ( Rcc ) has become a threat to barley production in Argentina. All barley...
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Sensitivity of Cercospora spp. from soybean to quinone outside inhibitors and methyl benzimidazole carbamate fungicides in Brazil
Cercospora leaf blight and purple seed stain are caused by Cercospora kikuchii and other Cercospora spp . The fungus can infect leaves and seeds on...
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Investigating the sensitivity of Venturia inaequalis isolates to difenoconazole and pyraclostrobin in apple orchards in China
The resistance level of 90 single lesion conidial isolates of Venturia inaequalis collected from multiple commercial orchards in Shaanxi and Gansu...
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New cytochrome b haplotypes, harboring L299F or N256S + L299F substitutions, were found in azoxystrobin-resistant Puccinia horiana, the causal agent of chrysanthemum white rust
Rust fungi are generally considered low-risk pathogens in terms of resistance to fungicides. However, Puccinia horiana , which causes white rust in...
