Spilocaea pyracanthae causing leaf scab on loquat in Pakistan
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چکیده
منابع مشابه
Physical Changes in Satsuma Mandarin Leaf after Infection of Elsinoë fawcettii Causing Citrus Scab Disease.
Citrus scab disease is one of the destructive diseases that reduce the value of fruit for the fresh market. We analyzed the process of symptom development after infection with scab pathogen Elsinoë fawcettii in the susceptible satsuma mandarin leaves to observe the structural modification against pathogen. The cuticle and epidermal cells along with 3-5 layers of mesophyll tissue were degraded 1...
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Several leaf spotting or blotching fungal diseases occur on forest trees in Guilan province (N Iran). Some of them such as maple tar spot affect health of host trees severely, but many are of minor effect. This study was carried out to identify unknown and less known fungi causing leaf spot and leaf blotch diseases on broad leaf trees in this region. So far numerous fungi were collected. Four s...
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Olive leaf spot or peacock spot, caused by the fungal pathogen Spilocaea oleagina, can cause reduced growth and yield in olive trees (Olea eurapaea). Investigations were carried out during 20072010 to measure the prevalence and severity of olive leaf spot in the northern olive growing regions of Iran. The susceptibility of ten cultivars (Amygdalifolia, Blaidy, Koronakei, Mary, Manzanillo, Missi...
متن کاملCharacterization of avian adenovirus type-4 causing hydro-pericardium syndrome in broilers in Karachi, Pakistan
Avian adenovirus was isolated from naturally infected birds during 1990 to 2003 in the vicinity ofKarachi, Pakistan. The virus is known to cause hydro-pericardium syndrome (HPS) in poultry. The mortalitywas recorded 20-50% in commercial broilers. Fifty field samples were collected; however, six samples wereselected for molecular studies. These isolates were grown and characterized by cell cultu...
متن کاملA survey of genetic variation in streptomyces isolates causing potato common scab in the United States.
ABSTRACT Common scab is a serious disease of potatoes and other root and tuber crops, affecting crop quality and market value. The disease is caused by gram positive soil bacteria in the genus Streptomyces. Disease incidence and severity vary in different locations and years; this is due in part to variation in the environment (weather) and genetic variation in potato cultivars. Little informat...
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ژورنال
عنوان ژورنال: Bragantia
سال: 2015
ISSN: 1678-4499,0006-8705
DOI: 10.1590/1678-4499.235