t rust in cyberspace
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چکیده
منابع مشابه
Five new rust taxa on Salicaceae in Central Alborz area (N Iran)
During the study on rust mycobiota of Central Alborz, several rust infected specimens belonging to Salicaceae family including Populus and Salix species were investigated. Populus nigra, P. euphratica, Saix alba and S. excelsa were infected by various Melampsora species. Uredinial (II) and telial (III) stages of rust were present on infected plants. According to morphological characters, five f...
متن کاملINVESTIGATION ON THE CYPERACEOUS RUST SPECIES IN IRAN
Eight cyperaceous Puccinia and Uromyces, viz. P. cariciola, P. conclusa, P. cyperi, P. eriophori, P. scirpi and Uromyces lineolatus subsp. lineolalus are reported as new to Iran. The uredinial stage of P. dioicae is reported as a new stage for this rust in Iran. Hosts new to P. eriophori are also given. Included is a key to the cyperaceous rust species in Iran.
متن کاملGeographic Variation in Melampsora Rust Resistance in Eastern Cottonwood in the Lower Mississippi Valley
-Eastern cottonwood clones originating from 36 young natural stands along the Mississippi River from Memphis, Tennessee, to Baton Rouge, Louisiana, were evaluated in a nursery near Greenville, Mississippi for resi~tance to Melampsora rust. In general, the northern sources had more rust and were more variable in rust susceptibility than the southern sources. Eleven percent of the clones from the...
متن کاملSOME NEW RECORDS FOR THE IRANIAN RUST FLORA
Four rust raxa in 3 genera and one form genus are newly recorded for Iran. Among these, Melampsoridium is a new genus for the Iranian rust flora. M. carpini on Carpinus sp., Coleosporium inulae on Inula salicina ssp. aspera, Puccinia saniculae on Sanicula europea and Uredo Otostegiae on otostegia persica are repoted for the first time in Iran. Number of urediniospore pores formerly believed 2 i...
متن کاملPerformance and Mapping of Leaf Rust Resistance Transferred to Wheat from Triticum timopheevii subsp. armeniacum.
ABSTRACT Host plant resistance is an economical and environmentally sound method of control of leaf rust caused by the fungus Puccinia triticina, which is one of the most serious diseases of wheat (Triticum aestivum) worldwide. Wild relatives of wheat, including the tetraploid T. timopheevii subsp. armeniacum, represent an important source of genes for resistance to leaf rust. The objectives of...
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