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Vol. 9, Issue 2 (2020)

Isolation and characterization of Ralstonia solanacearum from infected tomato plants of Bishnupur district of Manipur

Author(s):
Suchitra Chanu Heikrujam, RK Imotomba Singh, Pinky Chanu Laiphrakpam and Supriya Laishram
Abstract:
The bacterial wilt of tomato, caused by Ralstonia solanacearum is a major disease of the crop in areas under bacterium is well established and soil conditions are favourable for it. The pathogen can be disseminated into a clean field through contaminated water sources, symptomless yet contaminated seedlings, as well as humans or machinery carrying infested soils as it is soil borne disease. The present investigation were done at tomatoes growing areas of Bishnupur District namely Kumbi, Kwakta, Kwaksiphai, Irengbam Awang Leikai, Toubul, Khoijuman, Kabaw-Watching. Symptoms consists of wilting of the youngest leaves at the ends of the branches during the hottest part of the day. Isolation of infected plants were done from 5 disease plants found among the collected plants from different parts of Bishnupur District. Isolations were done on SPA media. They were found positive for gram staining, KOH test. Finally, isolates were identified as bacterial wilt disease causing pathogen i.e., Ralstonia solanacearum.
Pages: 138-141  |  746 Views  168 Downloads


The Pharma Innovation Journal
How to cite this article:
Suchitra Chanu Heikrujam, RK Imotomba Singh, Pinky Chanu Laiphrakpam, Supriya Laishram. Isolation and characterization of Ralstonia solanacearum from infected tomato plants of Bishnupur district of Manipur. Pharma Innovation 2020;9(2):138-141. DOI: 10.22271/tpi.2020.v9.i2c.4363
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