PLATINUM OPEN ACCESS The Journal of Threatened Taxa (JoTT) is dedicated to building evidence for conservation globally by publishing peer-reviewed articles online every month at a reasonably rapid rate at www.threatenedtaxa.org. All articles published in JoTT are registered under Creative Commons Attribution 4.0 International License unless otherwise mentioned. JoTT allows unrestricted use, reproduction, and distribution of articles in any medium by providing adequate credit to the author(s) and the source of publication. Journal of Threatened Taxa Building evidence for conservation globally www.threatenedtaxa.org ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) Note Puccinia duthiei Ellis & Tracy: a new host record on Chrysopogon velutinus from India Suhas Kundlik Kamble 26 August 2020 | Vol. 12 | No. 11 | Pages: 16644–16646 DOI: 10.11609/jott.5981.12.11.16644-16646 For Focus, Scope, Aims, Policies, and Guidelines visit https://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-0 For Article Submission Guidelines, visit https://threatenedtaxa.org/index.php/JoTT/about/submissions#onlineSubmissions For Policies against Scientific Misconduct, visit https://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-2 For reprints, contact <ravi@threatenedtaxa.org> The opinions expressed by the authors do not reflect the views of the Journal of Threatened Taxa, Wildlife Information Liaison Development Society, Zoo Outreach Organization, or any of the partners. The journal, the publisher, the host, and the partners are not responsible for the accuracy of the political boundaries shown in the maps by the authors. Publisher & Host Member Threatened Taxa Journal of Threatened Taxa | www.threatenedtaxa.org | 26 August 2020 | 12(11): 16644–16646 PLATINUM OPEN ACCESS ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) DOI: https://doi.org/10.11609/jott.5981.12.11.16644-16646 #5981 | Received 11 April 2020 | Final received 13 June 2020 | Finally accepted 09 August 2020 N o t e Puccinia duthiei Ellis & Tracy: a new host record on Chrysopogon velutinus from India Suhas Kundlik Kamble Department of Botany, Dahiwadi College, Dahiwadi, Satara, Maharashtra 415508, India. suhaskamble272@gmail.com Dicaeoma duthiei (Ellis & Tracy) Sydow [as ‘duthiae’], Annls mycol. 20(3/4):117 (1922) Uredo duthiei (Ellis & Tracy) Pardo-Card. [as ‘duthiae’], Revista, Facultad Nacional de Agronomia Medellin 56(2): 2080 (2003) Chrysopogon (Trin.) belongs to (Family Poaceae) and is represented by 23 species in India (Sunil et al. 2017). Rust disease is caused by pathogenic fungi of the order Pucciniales, which comprises about 168 genera and approximately 7,000 species of rusts (Mohanan 2010). An attempt has been made to establish new host record of rust fungus, Puccinia duthiei (Ellis and Tracy, 1897) on Chrysopogon velutinus (Hook.f.) Bor from India. The rust infected leaves of C. velutinus were collected on January 2018, from Surali Ghat in Karad Tehsil of Satara District, (MS) India, situated at altitude of about 710m. It is geographically located at 17.7380N & 74.4620E. The leaves with early, mature and late stages of disease were examined and symptoms were noted (Image 1 a & b). A number of tiny, elevated, globulous to elongated, elliptic, dark brown to yellowish-brown powdery rust pustules were noticed on lower surface of leaves. Later on, these pustules converted in to blackish color at maturity (Image 1c). With the help of razor, several thin transverse sections passing through pustule were cut Editor: B. Shivaraju, Bengaluru, Karnataka, India. and taken on the glass slide. The sections were stained with cotton blue, mounted in lacto phenol and observed under digital microscope (Olympus CX21Iledfs1). Microphotographs of different morphological features were taken using the software Magvision equipped with MIPS-3 MP Camera. With the help of fine needle, scrape mount slides of urediniospores and teliospores were prepared and dimensions of the same were measured by software with an inbuilt tool in the system at different magnifications viz., 10, 40 and 100 X (Image 1. d) & by using mm and µm scale under digital microscope. A voucher specimen was deposited in Ajrekar Mycological Herbarium (AMH), MACS’ Agharkar Research Institute, Pune, India under the accession number (AMH-10144). Puccinia duthiei Ellis & Tracy, 1897 Dicaeoma duthiei (Ellis & Tracy) Sydow [as ‘duthiae’], Annls mycol. 20(3/4):117 (1922) Uredo duthiei (Ellis & Tracy) Pardo-Card. [as ‘duthiae’], Revista, Facultad Nacional de Agronomia Medellin 56(2): 2080 (2003) Date of publication: 26 August 2020 (online & print) Citation: Kamble, S.K. (2020). Puccinia duthiei Ellis & Tracy: a new host record on Chrysopogon velutinus from India. Journal of Threatened Taxa 12(11): 16644–16646. https://doi.org/10.11609/jott.5981.12.11.16644-16646 Copyright: © Kamble 2020. Creative Commons Attribution 4.0 International License. JoTT allows unrestricted use, reproduction, and distribution of this article in any medium by providing adequate credit to the author(s) and the source of publication. Funding: None. Competing interests: The author declares no competing interests. Acknowledgements: Author sincerely thankful to Principal Dr. M.M. Rajmane, Sadguru Gadage Maharaj College, Karad for providing common facilities. I express my gratitude to Dr. G. G. Potdar and Mr. Tarbej Shaikh, Y.C.C.S. Karad for their help in identification of Chrysopogon velutinus. I would like to pay my special thanks to Dr. Sachin Thite and Dr. Pavan Hande for their kind suggestions. 16644 J Puccinia duthiei new host record on Chrysopogon velutinus Kamble b c a e d Image 1. Puccinia duthiei: a—rust infected plant | b—rust pustules on leaves | c—enlarged view of rust pustule | d—section passing through rust pustule (showing numerous stalked teliospores) | e—stalked septate teliospores in higher magnification. Scale d=20μm, e=10μm. Puccinia duthiei Ellis & Tracy Rust pustules (infection spots) are rounded to elliptic, elongated, hypophyllous, dark brown to yellowish-brown, about 0.16–0.67 mm. Urediniosporesoval, echinulate, yellowish to brown, darker at apex, unicelled, 24.76–35.32 x 15.96–24.16 μm, wall- dark brown between 1.3–2.35 μm thick, germ pores, 4–6. Teliospores- unicelled to bicelled, broadly ellipsoidal, dark yellow to yellowish-brown, constricted near septa, up to 24.18–48.34 x 24.54– 28.30 µm, thick walled 2.56– 7.94 µm. Teliospore stalk gradually increasing towards length, hyaline to light olivaceous, aseptate, smooth walled, up to 97.71–114 x 5–6.75 µm. Material examined: On living leaves of Chrysopogon velutinus (Hook.f.) Bor (Poaceae), Karad, Satara (MS) India, January 2018, Type Duthie, on Andropogon Journal of Threatened Taxa | www.threatenedtaxa.org | 26 August 2020 | 12(11): 16644–16646 16645 TT J TT Puccinia duthiei new host record on Chrysopogon velutinus pertusus (=Bothriochloa pertusa (L.) A. Camus), Saharanpur, India (NY; isotype PUR). Discussion: P. chrysopogi (Barclay, 1889) was reported on Chrysopogon echinulatus (Steud.) W. Wats. and C. gryllus (L.) Trin. from India by Cummins (1971). P. chrysopogi was recently listed in fungal flora of Swat District in Pakistan (Usman et al. 2016). Puccinia duthiei (Ellis & Tracy, 1897) was reported new to India on Dichanthium foveolatum by Pawar et al. (2018). The crucial review of literature indicates that, there are previous evidences about incidence of P. duthiei in India on another host. Therefore, it confirms new host record of P. duthiae on Chrysopogon velutinus from India. References Barclay, A. (1889). A descriptive list of the Uredineae occuring in the neighbourhood of Simla (Western Himalya). Pt. II. Journal of the Asiatic Society of Bengal 58: 246. http://www.mycobank.org/ BioloMICS.aspx?TableKey=14682616000000061&Rec=54420&Fiel ds=All Kamble Cummins, G.B. (1971). The Rust Fungi of Cereals, Grasses, Bamboos. Springer-Verlag, New York, 570pp. https://doi.org/10.1007/978-3642-88451-1 Ellis, J.B. & S.M. Tracy (1897). New species of North American fungi from various localities. Bulletin of the Torrey Botanical Club 24: 283. Mohanan, C. (2010). Rust fungi of Kerala. Kerala, India. Kerala Forest Research Institute, Peechi, 148pp. Pardo-Card, V.M. (2003). Estudios sobre los uredinales del archipiélago de San Andrés y providencia, Colombia. Revista, Facultad Nacional de Agronomia Medellin 56(2): 2080. Pawar, S.D., S.V. Thite, A.S. Kadam & B.A. Kore (2018). First report of rust fungi Puccinia duthiae on Dichanthium foveolatum from India. Journal of Threatened Taxa 10(2): 11354–11355. https://doi. org/10.11609/jott.3630.10.2.11354-11355 Sunil, C.N., M.K. Narayan, R. Sivadasan M, T. Shaju, V.V.N. Kumar & A.H. Alfarhan (2017). A new species of Chrysopogon (Poaceae: Andropogoneae) from India. Phytotaxa 307(4): 245–253. https:// doi.org/10.11646/phytotaxa.307.4.2 Sydow, H. (1922). “Über einige weitere im südlichen China (KwangtungProvinz) gesammelte Pilze”. Annales Mycologici (in German). 20(3/4): 117. https://en.wikipedia.org/wiki/Hans_Sydow Usman, M., A, Ishaq, N.S. Afshan, A.R. Niazi & A.N. Khalid (2016). Diversity and distribution of rust fungi causing plant diseases in Swat district, Khyber Pakhtunkhwa (KP), Pakistan. Science International (Lahore) 28(4): 3993–4000. Threatened Taxa 16646 Journal of Threatened Taxa | www.threatenedtaxa.org | 26 August 2020 | 12(11): 16644–16646 PLATINUM OPEN ACCESS The Journal of Threatened Taxa (JoTT) is dedicated to building evidence for conservation globally by publishing peer-reviewed articles online every month at a reasonably rapid rate at www.threatenedtaxa.org. All articles published in JoTT are registered under Creative Commons Attribution 4.0 International License unless otherwise mentioned. JoTT allows allows unrestricted use, reproduction, and distribution of articles in any medium by providing adequate credit to the author(s) and the source of publication. 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Gosavi, Pp. 16641–16643 Puccinia duthiei Ellis & Tracy: a new host record on Chrysopogon velutinus from India – Suhas Kundlik Kamble, Pp. 16644–16646 Publisher & Host Member Threatened Taxa