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Title: | Characterization of Cultural and Morphological Variability in Rhizoctonia solani Isolates Associated with Black Scurf of Potato |
Other Titles: | Not Available |
Authors: | N.P. Gurav1*, Surjeet Singh, K. Basavaraj, Naresh Mehta1 and A.J. Madane |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Indian Institute of Rice Research CCS Haryana Agricultural University, Hisar, Haryana |
Published/ Complete Date: | 2018-01-01 |
Project Code: | Not Available |
Keywords: | Variability, Rhizoctonia solani, black scurf, potato |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Rhizoctonia solani Kühn [teleomorph :Thanatephorus cucumeris (Frank) Donk] is the most destructive and widely distributed soil borne pathogenic fungus causing black scurf of Potato. Cultural and morphological variability was studied in eleven potato isolates of R. solani collected from different potato growing areas including Haryana, Punjab, Uttarakhand, Rajasthan and Maharashtra etc. Based on the radial colony growth rate, all the isolates were categorised into 3 groups as slow, medium and fast growing. Majority of isolates showed slow colony growth rate. Hyphal width in all the isolates ranged between 6 to 10.5 μm. Most of the isolates produced appressed or raised and pale yellow to very pale brown, mycelium with varied patterns of sclerotial formation. Majority of isolates had sclerotia that aggregated at the centre of the colony. Isolates produced brown to dark brown sclerotia which were either present in the form of concentric ring at the centre or periphery or scattered throughout the colony. Studies on cultural and morphological characterization of R. solani isolates showed that isolates were highly variable both in mycelial and sclerotial parameters, with no consistent characters related geographic origin. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | International Journal of Current Microbiology and Applied Sciences |
NAAS Rating: | Not Available |
Volume No.: | 7(7) |
Page Number: | 2439-2445 |
Name of the Division/Regional Station: | Plant Pathology |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/31984 |
Appears in Collections: | CS-IIRR-Publication |
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