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http://krishi.icar.gov.in/jspui/handle/123456789/23786| Title: | Characterization of Lasiodiplodia theobromae causing leaf blight disease of coconut |
| Other Titles: | Not Available |
| Authors: | Ramjegathesh, R. Johnson, I. Manjunatha Hubballi Maheswarappa, H.P. |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Central Plantation Crops Research Institute |
| Published/ Complete Date: | 2019-05-01 |
| Project Code: | Not Available |
| Keywords: | coconut leaf blight lasiodiplodia theobromae pathogenecity PCR |
| Publisher: | Indian Society of Plantation Crops |
| Citation: | Journal of Plantation Crops, 2019, 47(2): 62-71 |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Coconut leaf blight pathogen Lasiodiplodia theobromae (Pat.) was characterized based on morphological, cultural characters and Internal Transcribed Spacer (ITS) sequences. Pathogen isolates collected from various coconut growing areas of Tamil Nadu, India showed significant differences in the colony morphology, colour, spore dimensions and fruiting bodies. Molecular characterization by partial sequencing of ITS region confirmed the identity of pathogen as L. theobromae. Among the several methods of inoculation employed to establish the pathogenicity, pinprick method with spraying of conidial suspension (105 spores mL-1) and spot application of mycelial mat (5 mm disc) at the inoculation site produced typical necrotic spots and lesions on coconut leaves of West Coast Tall, Arasampatti Tall, Chowghat Orange Dwarf and Chowghat Green Dwarf. Koch’s postulates were established to confirm pathogenicity. The result of the study helps to streamline the existing management strategies. |
| Description: | Not Available |
| ISSN: | 2454-8480 |
| Type(s) of content: | Article |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Journal of Plantation Crops |
| NAAS Rating: | 4.66 |
| Volume No.: | 47(2) |
| Page Number: | 62-71 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/23786 |
| Appears in Collections: | HS-CPCRI-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Characterization of Lasiodiplodia theobromae causing leaf blight.pdf | 1.02 MB | Adobe PDF | View/Open |
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