نتایج جستجو برای: puccinia hordei
تعداد نتایج: 2211 فیلتر نتایج به سال:
Five species of Puccinia and two of Uromyces making 7 rust-host combinations are reported from Iran. Puccinia leveillei on Geranium sylvaticum, P. libanotidis on Libanotis transcaucasica, P. podospermi on Scorzonera laciniata and Uromyces scrophulariae on Scrophularia umbrosa are reported as new to the flora of Iran. For other three species viz. P. campanulae and P. gaubae on Campanula spp. and...
ustilago hordei (pres) lagerh is a fungus that causes covered smut of barley. this disease reduces yield and is a limiting factor in barley fields of iran. one hundred forty four isolates of u. hordei were collected from 36 regions of khuzestan province during 2009 and the genetic diversity of 100 isolates was evaluated by molecular markers. four out of 14 primers were selected on the basis of ...
Rust fungi infecting hollyhock and other plants in Malveae are frequently intercepted at ports of entry to the USA, particularly Puccinia malvacearum and P. heterogenea. These two species can be difficult to distinguish and can be further confused with other, less common species of microcyclic rust fungi infecting hollyhock: P. heterospora, P. lobata, P. platyspora, and P. sherardiana. Molecula...
The taxonomy, morphology and distribution of rust species on Arundineae (Poaceae) in Iran was studied. Five species of Puccinia viz. P. magnusiana Körn., P. phragmitis (Schumach.)Körn., P. isiacae G. Winter, P. trabutii Roum. & Sacc. and P. akiyoshidanensis Morim. are described and illustrated. Of these, Puccinia akiyoshidanensis is considered as a distinct species and newly recorded for Irani...
Barbieri, M., Marcel, T. C., and Niks, R. E. 2011. Host status of false brome grass to the leaf rust fungus Puccinia brachypodii and the stripe rust fungus P. striiformis. Plant Dis. 95:1339-1345. Purple false brome grass (Brachypodium distachyon) has recently emerged as a model system for temperate grasses and is also a potential model plant to investigate plant interactions with economically ...
Aphid species feeding on lettuce occupy distinct feeding sites: the lettuce aphid Nasonovia ribisnigri prefers to feed on heart leaves, whereas the potato aphid Macrosiphum euphorbiae feeds only on outer leaves. The aphid parasitoid Aphelinus abdominalis, known to be able to regulate M. euphorbiae on many crops, has recently been indicated as a promising biocontrol candidate also for use agains...
Kathryn L. Lunetta, Felix R. Day, Patrick Sulem, Katherine S. Ruth, Joyce Y. Tung, David A. Hinds, Tõnu Esko, Cathy E. Elks, Elisabeth Altmaier, Chunyan He, Jennifer E. Huffman, Evelin Mihailov, Eleonora Porcu, Antonietta Robino, Lynda M. Rose, Ursula M. Schick, Lisette Stolk, Alexander Teumer, Deborah J. Thompson, Michela Traglia, Carol A. Wang, Laura M. Yerges-Armstrong, Antonis C. Antoniou, ...
A number of different fungal hyperparasites have been observed to grow in pustules of rust fungi. Examples of these are Verticillium (HASSEBRAUK 1936, KOTTHoFF 1937, GAMS 1971), Darluca fi/um (KRANz 1973), Monocillium nordinii (TSUNEDA and HIRATSUKA 1980), Alternaria and Cladosporium species (OMAR and HEATHER 1979). Verticillium lecanii may be the most interesting fungus for biological control ...
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