نتایج جستجو برای: leaf spot

تعداد نتایج: 118971  

2003
A. K. Hagan J. W. Olive J. Stephenson

MilStop fungicide was recently registered for the control of a number of leaf spot and blight diseases, as well as powdery mildew on numerous annual, herbaceous, and woody ornamentals. The active ingredient in MilStop is potassium bicarbonate. MilStop is reported to have curative activity against powdery mildew and is also labeled for the control of diseases caused by fungi such as Alternaria ,...

Journal: رستنیها 2018

The genus Septoria includes important plant pathogens with worldwide distribution, commonly associated with leaf spots and stem cankers of a broad range of plant hosts. In this study, eight isolates of Septoria were recovered from leaves with leaf spot on four herbaceous and woody plants from Gilan, Ardebil, East and West Azerbaijan provinces in north and northwest of Iran. The isolates were st...

Journal: رستنیها 2011
A. Khodaparast H.R. Zamanizadeh M. Pirnia, R. Zare,

Eight species of the genus Cercospora from different localities in Northern provinces of Iran were obtained and examined during spring-autumn 2010. Cercospora acnidae (from Amaranthus chlorostachys var. chlorostachys), C. beticola (from Beta vulgaris), C. iridis (from Iris sp.), C. lactucae-sativae (from Lactuca sativa), C. mercurialis (from Mercurialis annua), C. sorghi (from Sorghum halepense...

Journal: :Journal of Environmental Horticulture 1983

Journal: :Proceedings of the New Zealand Weed and Pest Control Conference 1989

2015
Manpreet Kaur Neeraj Kumar Aggarwal Naser Safaie

In the years 2012-14 a series of extensive surveys for natural enemies of parthenium were conducted in Haryana. During survey, a leaf spot disease has been regularly reported on congress grass at different parts of the Kurukshetra and its adjoining areas. The fungal pathogen was isolated from the affected parts of parthenium leaves and on the basis of cultural, morphological and molecular chara...

2003
Philip F. Harmon Larry D. Dunkle

The fungus Magnaporthe oryzae Couch (anamorph = Pyricularia oryzae Cavara) (previously known as Magnaporthe grisea (Herbert) Barr) (4) causes gray leaf spot disease of perennial ryegrass (Lolium perenne L.) (12). In recent years, this disease has become a serious but sporadic problem for turfgrass managers in the mid-Atlantic and midwestern United States (9,12,16, 20,22). The disease can cause ...

Journal: :INTERNATIONAL JOURNAL OF PLANT PROTECTION 2015

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