Introduction: Iris spp. is reported to be affected by several viruses in the family Potyviridae including iris mild mosaic virus (IMMV), iris severe mosaic virus (ISMV), iris fulva mosaic virus, bean yellow mosaic virus (BYMV), turnip mosaic virus (TuMV), ornithogalum mosaic virus (OrMV), narcissus ...

During a field survey carried out during the spring of 2021, a total number of 14 tomato plant samples showing severe necrosis symptoms on leaves and fruits were collected from an open tomato field in the vicinity of Shiraz, Iran. The causal pathogen was isolated and identified as Tomato torrado...

During a survey in 2021 a number of pepper and tomato plant samples with the begomovirus-like symptoms such as crinkled and curling leaves were collected from pepper and tomato greenhouses in three central provinces of Iran (Yazd, Isfahan and Kerman). Some weed species occurring within proximity to ...

Barley yellow dwarf virus (BYDV) causes a significant yield reduction and crop loss in cereal and grasses worldwide. Studies revealed that barley yellow dwarf virus is present in most regions of Iran. Wheat and barley plants showing the infection symptoms were collected from cereal fields in...

In 2021 and 2022, a disease characterized by chlorotic leaf streak symptoms was observed on various gramineous plants in the Isfahan and Chaharmahal-o-Bakhtiari provinces of central Iran. A total of 85 leaf samples were collected from wheat (Triticum aestivum), barley (Hordeum vulgare), maize (Zea...

The pathogens causing white blister rusts (Albuginales, Oomycota) comprises three genera including Albugo, Pustula and Wilsoniana infecting species of Brassicaceae, Caryophyllales and Asteridae, respectively. The current study contributes with new knowledge on Albuginales in Iran. An extensive...

The genus Pseudoaulolaimus Imamura, 1931 along with the genus Aulolaimus are placed in the family Aulolaimidae Jairajpuri & Hooper, 1968, suborder Leptolaimina and order Areolaimida. Pseudoaulolaimus anchilocaudatus Imamura, 1931, is the only species in this genus, which was for the first time...

Grape powdery mildew (PM) caused by plant pathogenic fungus Erysiphe necator, is the most important disease on grapevine in world and Iran. In order to study the spread of this disease in vineyards of Sistan region, 30 vineyards in three county including Zabol, Zahak and Hamoon were selected during ...

In July 2021, unusual symptoms of chlorosis, severe mosaic, and blisters were observed in tomatoes cultivated in several greenhouses around Tehran, Iran. In addition, yellow spots and rugose were observed on mature tomato fruits. These symptoms were noticed on approximately 15 ha of...

Two biotrophic plant parasitic fungi viz. Phyllactinia acaciae and Ravenelia sp. are newly reported from Iran on Acacia oerfota (Forssk.) Schweinf (Fabaceae). Both taxa are documented by describing morphological features and providing photomicrographs. This is the first report of leaf parasitic...