Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu
Sugarcane bacilliform virus (SCBV), causing leaf fleck in sugarcane (Saccharum spp), is a major threat affecting exchange of germplasm globally. Surveys conducted in four major sugarcane growing districts of Kerala and two in Tamil Nadu during 2018-2019 revealed that the disease incidences ranged be...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Society for Sugarcane Research and Development
2020-10-01
|
| Series: | Journal of Sugarcane Research |
| Subjects: | |
| Online Access: | http://epubs.icar.org.in/ejournal/index.php/JSR/article/view/101687 |
| _version_ | 1818969812913618944 |
|---|---|
| author | Sanju Balan Rasappa Viswanathan K. Anita Cherian |
| author_facet | Sanju Balan Rasappa Viswanathan K. Anita Cherian |
| author_sort | Sanju Balan |
| collection | DOAJ |
| description | Sugarcane bacilliform virus (SCBV), causing leaf fleck in sugarcane (Saccharum spp), is a major threat affecting exchange of germplasm globally. Surveys conducted in four major sugarcane growing districts of Kerala and two in Tamil Nadu during 2018-2019 revealed that the disease incidences ranged between 12 and 51% in Kerala and 28 and 56 % in Tamil Nadu. Symptoms associated with the disease include mild to severe mottling of the leaves, which were more prominent on leaf positions four to six. In Kerala, ratoon crop of the cv. Madhuri in Pathanamthitta district recorded the highest incidence (51%) and severity (36%) of leaf fleck. Least incidence (12%) and severity (10%) were recorded in Idukki district in the cv. Co 86032. Among the surveyed locations in Tamil Nadu, plant crop of cv. CoV 09356 in Villupuram district recorded the maximum percent of disease incidence (56%) and severity (50.41%) followed by Radhapuram with an incidence of 55% and severity of 43.75%. Least incidence and severity were recorded in plant crop of cv. Co 86032 at Kuchipalayam (28%). In comparison to Kerala, Tamil Nadu recorded higher incidences and severities of leaf fleck. PCR assays using primers specific to Badna viruses, confirmed the presence of the virus in collected samples. Detailed surveys conducted for leaf fleck for the first time under field conditions indicated severe occurrence of the disease in the states of Kerala and Tamil Nadu. |
| first_indexed | 2024-12-20T14:26:32Z |
| format | Article |
| id | doaj.art-814735fdbc084432b2ece66c63118796 |
| institution | Directory Open Access Journal |
| issn | 2249-927X 2582-4767 |
| language | English |
| last_indexed | 2024-12-20T14:26:32Z |
| publishDate | 2020-10-01 |
| publisher | Society for Sugarcane Research and Development |
| record_format | Article |
| series | Journal of Sugarcane Research |
| spelling | doaj.art-814735fdbc084432b2ece66c631187962022-12-21T19:37:46ZengSociety for Sugarcane Research and DevelopmentJournal of Sugarcane Research2249-927X2582-47672020-10-0110110.37580/JSR.2020.1.10.74-8643964Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil NaduSanju Balan0Rasappa Viswanathan1K. Anita Cherian2Kerala Agricultural University, Thrissur, Kerala-680656ICAR-Sugarcane Breeding Institute, Coimbatore 641007Kerala Agricultural University, Thrissur, Kerala-680656Sugarcane bacilliform virus (SCBV), causing leaf fleck in sugarcane (Saccharum spp), is a major threat affecting exchange of germplasm globally. Surveys conducted in four major sugarcane growing districts of Kerala and two in Tamil Nadu during 2018-2019 revealed that the disease incidences ranged between 12 and 51% in Kerala and 28 and 56 % in Tamil Nadu. Symptoms associated with the disease include mild to severe mottling of the leaves, which were more prominent on leaf positions four to six. In Kerala, ratoon crop of the cv. Madhuri in Pathanamthitta district recorded the highest incidence (51%) and severity (36%) of leaf fleck. Least incidence (12%) and severity (10%) were recorded in Idukki district in the cv. Co 86032. Among the surveyed locations in Tamil Nadu, plant crop of cv. CoV 09356 in Villupuram district recorded the maximum percent of disease incidence (56%) and severity (50.41%) followed by Radhapuram with an incidence of 55% and severity of 43.75%. Least incidence and severity were recorded in plant crop of cv. Co 86032 at Kuchipalayam (28%). In comparison to Kerala, Tamil Nadu recorded higher incidences and severities of leaf fleck. PCR assays using primers specific to Badna viruses, confirmed the presence of the virus in collected samples. Detailed surveys conducted for leaf fleck for the first time under field conditions indicated severe occurrence of the disease in the states of Kerala and Tamil Nadu.http://epubs.icar.org.in/ejournal/index.php/JSR/article/view/101687sugarcaneleaf fleckpcr assaydisease symptoms |
| spellingShingle | Sanju Balan Rasappa Viswanathan K. Anita Cherian Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu Journal of Sugarcane Research sugarcane leaf fleck pcr assay disease symptoms |
| title | Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu |
| title_full | Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu |
| title_fullStr | Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu |
| title_full_unstemmed | Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu |
| title_short | Status of leaf fleck caused by Sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of Kerala and Tamil Nadu |
| title_sort | status of leaf fleck caused by sugarcane bacilliform virus incidence and severity in different sugarcane growing areas of kerala and tamil nadu |
| topic | sugarcane leaf fleck pcr assay disease symptoms |
| url | http://epubs.icar.org.in/ejournal/index.php/JSR/article/view/101687 |
| work_keys_str_mv | AT sanjubalan statusofleaffleckcausedbysugarcanebacilliformvirusincidenceandseverityindifferentsugarcanegrowingareasofkeralaandtamilnadu AT rasappaviswanathan statusofleaffleckcausedbysugarcanebacilliformvirusincidenceandseverityindifferentsugarcanegrowingareasofkeralaandtamilnadu AT kanitacherian statusofleaffleckcausedbysugarcanebacilliformvirusincidenceandseverityindifferentsugarcanegrowingareasofkeralaandtamilnadu |