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Sclerotinia and Phomopsis — two devastating sunflower pathogens
Abstract Cultivated sunflower ( Helianthus annuus L.) is prone to many diseases caused by fungi, bacteria, and viruses, of which the most detrimental are those caused by fungi. Two of the most… Expand
New Races of the Sunflower Downy Mildew Pathogen (Plasmopara halstedii) in Europe and North and South America
Collections of the causal agent of sunflower downy mildew (Plasmopara balstedii) (PH) from several European and North and South American countries were used to inoculate a series of sunflower inbred… Expand
Preservation of air-dried downy mildew sporangia in liquid nitrogen without cryoprotectants or controlled freezing
Zoosporangia of Plasmopara halstedii , causal agent of sunflower downy mildew, were infective after storage in liquid nitrogen for up to 4·75 yr, using a dry spore, fast-freeze (DSFF) technique. The… Expand
Significance and need of powdery mildew control (Microsphaera alphitoides Griff. et Maubl.) in the process of regeneration of the pedunculate oak (Quercus robur L.) stands in the Ravni Srem area
Background and Purpose:Powdery mildew (Microsphaera alphitoides Griff.etMaubl.)wasstudiedfromtheaspectofitsinfluenceonregeneration of the pedunculate oak stands in the Ravni Srem area. Possibility to… Expand
Broomrape in Serbia from its occurrence till today
SUMMARY Epiphytotic occurrence of broomrape was observed in Serbia for the first time in 1951, then again at the beginning of the 1990s which continues up to date. It is hypothesized that the new… Expand
Leaf and stem spot of sunflower
A number of parasitic fungi are causal agents of leaf and stem spots of sunflower. Most important and most harmful agents of leaf spot are Alternaria helianthi, the agent of brown spot, and Septoria… Expand
Fusarium rot of onion and possible use of bioproduct
Several species of Fusarium are causal agents of onion rot in field and storage. Most prevalent are F. oxysporum f. sp. cepae and F. solani, and recently F. proliferatum, a toxigenic species. Most… Expand
Essential oil composition of different coriander (coriandrum sativum l.) accessions and their influence on mycelial growth of colletotrichum spp.
First Report of Pseudomonas syringae pv. syringae Causing Bacterial Leaf Spots of Oil Pumpkin (Cucurbita pepo) in Serbia.
Oil pumpkin (Cucurbita pepo L.) is commonly used for oil production, mainly in central and eastern Europe (1). In Serbia, it grows only in the north (Vojvodina Province), up to 1,500 ha. In June… Expand
EFFECT OF TEMPERATURE, RELATIVE HUMIDITY AND LIGHT ON CONIDIAL GERMINATION OF OAK POWDERY MILDEW (MICROSPHAERA ALPHITOIDES GRIFF. ET MAUBL.) UNDER CONTROLLED CONDITIONS
The influence of temperature, humidity and light on the conidial germination and germ tube elongation of oak powdery mildew (Microsphaera alphitoides Griff. et Maubl.) was studied in controlled… Expand