First report of Asian pistachio rust (<i>Pileolaria pistaciae</i>) in Pakistan

Ishaq, A.; Aime, M. Catherine; Ayala, Elena K.; Ullah, Syed Sajid; Afshan, Najam‐ul‐Sehar; Fahad, Muhammad; Fiaz, Muhammad; Niazi, Abdul Rehman; Khalid, Abdul Nasir

doi:10.1080/07060661.2019.1647882

Cited by 1 publication

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“…Rust fungi of Khyber Pakhtunkhwa are the least explored and so far only 174 rust species are explored (Ishaq, 2017). Recently, two species of rust fungi were reported from Shangla and Abbottabad, District of Khyber Pakhtunkhwa, Pakistan (Ishaq et al, 2011; Ishaq et al, 2020). Beside few reports on rust fungi from Khyber Pakhtunkhwa, rust attacks are very common in this region.…”

Section: Introductionmentioning

confidence: 99%

Taxonomic investigation of selected rust fungi using scanning electron microscopy from Khyber Pakhtunkhwa, Pakistan

Ijaz

Afza

Zafar

et al. 2021

Microscopy Res & Technique

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Rusts comprises the largest natural group of plant pathogens including approximately 8% of all described Fungi. Rust fungi are extremely plant pathogens responsible for great losses to agriculture productivity. Rust species belong to several genera among which more than half are Puccinia species. In Pakistan, rust causes severe damage to agriculture crops. Current study was carried out to identify and characterize different rust species common in the research area through microscopy and Scanning electron microscopy (SEM) in Khyber Pakhtunkhwa, Pakistan. Morpho‐anatomical investigation of each collected rust species was carried out using different standard protocols. The dimensions of spores were measured and snapped under a stereomicroscope. SEM was used to examine the shape, size, and ornamentation of the spores of each rust fungus. Results revealed documentation of seven rust fungi, that is, Melampsora euphorbiae, Phragmidium barclayi, Puccinia nepalensis, P. exhausta, P. menthae, Uromyces capitatus, and Uromyces decorates belong to four different genera, were recorded. SEM revealed that spermogonia and Aecia were missing in most of the rust fungus studied. Uredinia was found in a scattered, irregular, lengthy, and epidermis‐enclosed form. Urediniospores were found to be ovulating, elongated, echinulate, globose to sub‐globose, ellipsoid to ovoid, and globose to sub‐globose. Telia was found as sub‐epidermal, amphigenous, dispersed, minute, and spherical cells. Teliospores ranged in form from cylindrical to oblong. The germ pores were detected in both apical (top cell) and basal (bottom cell) idiosyncratic and pedicel‐attached cells. The techniques used in the current investigation will aid mycologists in rust identification and microscopic characterization.

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Section: Introductionmentioning

confidence: 99%