Fungicide Resistance in Cucurbit Powdery Mildew: Experiences and Challenges

McGrath, M. T.

doi:10.1094/pdis.2001.85.3.236

Cited by 245 publications

(174 citation statements)

References 19 publications

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“…(Robinson and Provvidenti, 1975), 십 수년 전부터 미국과 세계 여러 나라에서 수박 흰가루병이 대발생하였다 (Davis et al, 2001;Keinath, 2000;McGrath, 2001a;Tetteh et al, 2013 Keinath, 2000;McGrath, 2001b). 따라서 모든 P. xanthii race 1 균주가 C. lantus에 비병원성인지는 race 1 균주를 더 많이 확보하여 확인하는 것이 필요하다.…”

Section: 흰가루병 발생 조사unclassified

“…예방 적으로 살균제를 처리하는 것이 일반적이나 (Perchepied et al, 2005), 최근에 특이적인 작용점을 가지는 살균제가 많이 개발되어 널리 사용되고 있는데, 이는 약제 저항성 흰가루 병균의 발달을 촉진하는 위험성을 가지고 있다 (McGrath, 2001a). 일부 살균제의 경우에는 이미 저항성이 생겨 큰 방제 효과를 기대하기 어려운 상황이다 (Grigoriu and Georgopoulos, 1984;Hollomon and Wheeler, 2002;Katan, 1982).…”

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Resistance of Cucurbits to Podosphaera xanthii Race 1

이지현¹,

장경수²,

이원정³

et al. 2014

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This study was conducted to establish an efficient screening method to identify cucurbits resistant to powdery mildew. Powdery mildew fungus was obtained from a single lesion of infected cucumber leaf in 2010 at Daejeon. The fungus was identified as Podosphaera xanthii race 1 based on morphological characteristics and resistance responses of four melon differentials. Development of powdery mildew caused by the fungal isolate on 34 commercial cultivars of cucumber was investigated at three plant growth stages in a greenhouse. The degree of resistance of cotyledons of each cultivar to the fungus was not correlated with that of whole plant, but powdery mildew occurrence in the first true leaf was highly correlated with resistance at the level of the whole plant. Based on these results, the first true leaf of cucurbit cultivars can be used for screening of resistance to powdery mildew. In addition, variation of resistance of commercial 12 cucumber and 26 melon cultivars to the powdery mildew fungus due to different growing seasons was tested. In the case of cucumber, the resistance response in some cultivars was influenced by growing season. The resistant cultivars showed higher resistance in the warm season than in the cool season. By contrast, the resistant melon cultivars demonstrated strong resistance in all the tested growing seasons. Interestingly, the tested powdery mildew pathogen, a member of P. xanthii race 1, was not pathogenic on seven cultivars of watermelon (Citrullus lanatus). To follow up on this, diverse race 1 isolates of P. xanthii should be collected and tested.

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Section: 흰가루병 발생 조사unclassified

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Resistance of Cucurbits to Podosphaera xanthii Race 1

이지현¹,

장경수²,

이원정³

et al. 2014

HST

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“…This is due to the limitations of resistance and lack of other management practices. Systemic and translaminar fungicides are especially important for controlling CPM because they provide adequate protection of abaxial leaf surfaces, where conditions are more favorable for disease development than on adaxial surfaces (McGrath, 2001). These fungicides have specific single-site mode of action, thus they are active at one point of one metabolic pathway of the pathogen, and therefore are generally more at-risk for resistance development than other fungicides (McGrath, 2001).…”

Section: Introductionmentioning

confidence: 99%

“…Systemic and translaminar fungicides are especially important for controlling CPM because they provide adequate protection of abaxial leaf surfaces, where conditions are more favorable for disease development than on adaxial surfaces (McGrath, 2001). These fungicides have specific single-site mode of action, thus they are active at one point of one metabolic pathway of the pathogen, and therefore are generally more at-risk for resistance development than other fungicides (McGrath, 2001). Several reports have been published about the appearance and increase of CPM populations (mainly Px) resistant to six groups of single-site inhibitors (benzimidazole, DMI, morpholine, hydroxypyrimidine, phosphorothiolate, QoI) (Hollomon & Wheeler, 2002;McGrath, 2001McGrath, , 2006.…”

Section: Introductionmentioning

confidence: 99%

“…These fungicides have specific single-site mode of action, thus they are active at one point of one metabolic pathway of the pathogen, and therefore are generally more at-risk for resistance development than other fungicides (McGrath, 2001). Several reports have been published about the appearance and increase of CPM populations (mainly Px) resistant to six groups of single-site inhibitors (benzimidazole, DMI, morpholine, hydroxypyrimidine, phosphorothiolate, QoI) (Hollomon & Wheeler, 2002;McGrath, 2001McGrath, , 2006. On the other hand, contact fungicides have 1a 1b low potential for resistance development because they are multi-site inhibitors (Kuck & Russell, 2006;McGrath, 2001); however, they are less important for controlling CPM because of their inherent lower efficacy due to inability to protect abaxial surfaces.…”

Section: Introductionmentioning

confidence: 99%

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Fungicide Resistance in Cucurbit Powdery Mildew Fungi

Lebeda¹,

MgGrath²,

Sedláková³

2010

Fungicides

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A carbon dot toolbox for managing biotic and abiotic stresses in crop production systems

Zia,

Sambasivam,

Chen

et al. 2024

EcoMat

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The productivity of global crop production is under threat caused by various biotic and abiotic adverse conditions, such as plant diseases and pests, which are responsible for 20%–40% of global crop losses estimated at a value of USD 220 billion, and can be further exacerbated by climate change. Agricultural industries are calling for game‐changer technologies to enable productive and sustainable farming. Carbon dots (C‐dots) are carbon‐based nanoparticles, smaller than 50 nm, exhibiting unique opto‐electro‐properties. They have been shown to have positive impact on managing diverse biotic and abiotic stresses faced by the crops. Owing to their versatile carbon chemistry, the surface functionalities of C‐dots can be readily tuned to regulate plant physiological processes. This review is focussed on establishing the correlations between the physiochemical properties of C‐dots and their impacts on plants growth and health. The summary of the literature demonstrates that C‐dots hold great promise in improving plant tolerance to heat, drought, toxic chemicals, and invading pathogens.image

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Fungicide Resistance in Cucurbit Powdery Mildew: Experiences and Challenges

Cited by 245 publications

References 19 publications

Resistance of Cucurbits to Podosphaera xanthii Race 1

Resistance of Cucurbits to Podosphaera xanthii Race 1

Fungicide Resistance in Cucurbit Powdery Mildew Fungi

A carbon dot toolbox for managing biotic and abiotic stresses in crop production systems

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