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Introduction
Macrophomina phaseolina, Aspergillus flavus and Sclerotinia sclerotiorum
Publications
Publications (37)
Chestnuts (Castanea spp.) are widely cultivated in Europe, the United States, and some parts of Asia for their culinary and therapeutic properties, as well as their contributions to biodiversity through hardwood forests. However, chestnut productivity is severely threatened by both abiotic and biotic factors, with chestnut blight disease, caused by...
A homoktövisből (Hippophae rhamnoides L.) készült termékek hazánkban is egyre nagyobb népszerűségre tesznek szert. A termésében számos nélkülönözhetetlen ásványi anyag és vitamin található. Az országban előforduló homoktövis károsító gombákról nincsenek széleskörű ismereteink. Sem a kórokozók jelenlétéről, sem azok elterjedéséről. Egy Hajdú-Bihar v...
Aspergillus flavus is a mycotoxigenic fungus that possesses the ability to produce aflatoxins. This fungus is a common soil fungus and is predominantly saprotrophic, growing on dead plant tissue in the soil. The species is also a facultative parasite on a broad range of plants and often colonizes oil-rich seeds, such as corn, peanuts, cottonseed, a...
139 in the region had been continuously increasing and in 2022 it reached more than 28,000. The use of the traps increased the efficiency of pesticide use over 16,000 hectares of the region, which resulted in an additional profit of 30-50 US dollars/hectare/year. Further studies on the pest populations and the use of beneficial organisms instead of...
Cryphonectria parasitica is the causal agent of chestnut blight disease. The fungus is one of the most important pathogens of Castanea spp. but also endangers other tree species of the Fagaceae plant family (oakspecies, beech). The pathogen is native to eastern Asia and is widely present in North America and many European countries. European chestn...
A közönséges vagy európai mogyoró (Corylus avellana) Magyarországon őshonos cserje. Egyik jól ismert betegsége az a lisztharmat, amely rendszerint a levelek fonákán fejleszti telepeit és az új fertőzéseket eredményező, egysejtű konídium-tömegét. Az áttelelésre készülve a gomba apró, barna-fekete színű, gömbszerű, zárt termőtesteket képez. A közelm...
Cryphonectria parasitica, the causal agent of chestnut blight, is a destructive Ascomycota fungal disease infecting European chestnut (Castanea sativa) and American chestnut (Castanea dentata) trees. On susceptible host trees, necrotic lesions (cancers) are caused by the disease on the bark of the trunk and branches. The disease leads to wilting an...
Chemical plant protection began to develop rapidly after the II. World War and became a defining factor of agriculture. However, it soon became clear that these substances also have very serious dangers. Under its influence, the most dangerous substances began to be withdrawn. However, their complete withdrawal does not seem to be professionally ju...
Sclerotinia sclerotiorum, which causes white mold, is a widespread pathogen. In 2020, a new host plant of this fungus, the wa tercress (Nasturtium officinale) was identified in Hungary in an aquaponic system. During the cultivation of watercress S. sclerotiorum was detected on the plant, the fungus caused a 30% yield loss. Fungicides should not be...
Macrophomina phaseolina and Sclerotinia sclerotiorum are two significant fungal pathogens of sunflower. M. phaseolina causes charcoal rot and ashy stem blight in several important crop species. Sclerotinia sclerotiorum causes white mold disease which can occur as middle stalk rot, head rot and premature plant death. Due to the wide host range of th...
Macrophomina phaseolina is a globally widespread fungal pathogen. The fungus has a very wide range of hosts. Under optimal conditions, M. phaseolina can cause serious damage tothe host plants. In this study, the mycelial compatibility of different M. phaseolina isolates was investigated. From 2019 to 2021, 12 sunflower samples were collected from d...
Watercress (Nasturtium officinale) is an aquatic dicotyledonous vegetable belonging to Brassicaceae (Aiton 1812). Watercress was grown in an aquaponic system on fired clay ball medium at the Aquaponic Research Station of the University of Debrecen, in the city of Debrecen (Hungary). During January 2020, 3-month-old plants showed symptoms in aquapon...
A fehérpenészes rothadást okozó Sclerotinia sclerotiorum gomba világszerte széles körben elterjedt kórokozó. Magyarországon 2020-ban egy új gazdanövénye került beazonosításra, a vízitorma (Nasturtium officinale). A vízitorma akvapóniás rendszerben történő termesztése során detektáltak S. sclerotiorum gombát a növényen, ami 30%-os termésveszteséget...
2021 novemberében Keszthely térségében: Cserszegtomaj, Keszthely, Ajka és Csabrendek helyiségekben lisztharmattal fertőzött európai mogyoró (Corylus avellana) leveleket gyűjtöttünk be. A morfológiai tulajdonságai alapján az Erysiphe genusba (Erysiphe sect. Microsphaera) tartozónak találtuk a kórokozót. Ez a faj a magyar szakirodalomban mogyoróról e...
In Hungary, sunflower is the third most important arable crop, which has a lot of pathogenic fungi. One of these fungi is the Macrophomina phaseolina, which is a well-known fungus in all over the world, since this pathogen has more than 700 host plants. In Hungary, several host plants can be found as well. The M. phaseolina produces microsclerotia,...
Macrophomina phaseolina (Tassi) Goid. is found on all five crop-growing continents. In hot and dry seasons, this fungus is capable of causing considerable damage. In this study, mycelial compatibility of M. phaseolina isolates was investigated. In total the 30 samples collected were tested to examine their compatibility. The sunflower samples exami...
A Macrophomina phaseolina (Tassi) Goidanich [synanamorph: Rhizoctonia bataticola (Taubenhaus) E.J. Butler] növénykórokozó gombát hazánkban 1970-ben írták le először. A kórokozónak világszerte 700 gazdanövénye ismert. Elterjedési zónája főleg a melegebb, trópusi-és szubtrópusi égövben található jellemzően, azonban a gomba fokozatos melegedés követke...
A hazai szójatermesztés jelentősége a felhasználás és takarmányfehérje szempontjából meghatározó, amelyet az is befolyásol, hogy állattenyésztésünk a fajösszetétel tekintetében (sertés és baromfi) ugyancsak a szójára utalt. A világ szója termésének 70%-a GM növény, az USA-ban ez 50%, Brazíliában és Argentínában 16-16%. Magyarország 4-600 ezer t/év...
Macrophomina phaseolina (Tassi) Goidanich [synanamorph: Rhizoctonia bataticola (Taubenhaus) E.J. Butler] is one of the most important pathogen of sunflower and causes the charcoal rot and ashy stem blight of several important crop species. This fungus has more than 700 dicotyledonous and monocotyledonous plant species in all over the world. This pa...
The efficiency of fungicides against Macrophomina phaseolina (Tassi) Goidanich [synanamorph: Rhizoctonia bataticola (Taubenhaus) E.J. Butler] was not observed in Hungary. Our examination were tested 6 different fungicides against the pathogen in vitro. Number of stock solutions with various concentrations of fungicides were tested at 10 ppm, 20 ppm...
In Hungary sunflower (Helianthus annuus) is the third main field crop, and more than 500.000 hectares are beeing growned. Several pathogen fungi able to infect the sunflower: Plasmopara halstedii, Phoma macdonaldi, Diaporthe helianthi, Alternaria sp. Septoria helianthi, Sclerotinia sclerotiorum and Macrophomina phaseolina. These fungi cause serious...
The European stone fruit yellows (ESFY) phytoplasma disease caused by pathogen ’Ca. Phytoplasma prunorum’ induces serious damages in cherry, sour cherry, peach, and apricot orchards mostly in Europe. Its known vector is the plum psyllid (Cacopsylla pruni). Many articles report on the biology (morphology, taxonomy, life cycle etc.) and the method of...
