Evaluation of yield losses and management practices of false smut in rice (Oryza sativa)


573 / 809

Authors

  • SNEHLATA KUMARI and J. KUMAR*

Keywords:

Chemical control, false smut, rice, varietal susceptibility, yield loss

Abstract

Of the 24 rice varieties evaluated from different rice-growing areas in Uttarakhand and Uttar Pradesh, incidence of false smut disease ranged from 5.0 to 48.76%, while yield loss was 0.82-17.09%. Among these, hybrids were found to be more prone to false smut. Maximum disease incidence was observed in hybrids, PA 6444 (48.76%), followed by PSD-3 (32.81%) and PRH 10 (28.94%) with maximum yield loss of 17.09% in PA 6444. Field trials were conducted during 2012 and 2013 to test efficacy of new fungicides against false smut. The spraying of Propiconazole @ (0.1%) with first spray at booting stage and second at an interval of 10 days was most effective. Similarly, Trifloxystrobin + Tebuconazole (0.04%), Hexaconazole (0.2%), Carbendazim (0.1%) and Kreoxim methyl (0.1%) significantly reduced its incidence compared with the control. All fungicides were effective when applied at boot stage, except kreoxim methyl, which was found to be more effective when applied at heading stage.

Downloads

Issue

Vol. 68 No. 1 (2015): Indian Phytopathology

Section

Research Articles

License

For Authors

As soon as an article is accepted for publication, authors are requested to assign copyright of the article (or to grant exclusive publication and dissemination rights) to the publisher (Indian Phytopathlogical Society). This will ensure the widest possible protection and dissemination of information.

For Readers

While the advice and information in this journal is believed to be true and accurate at the date of its publication, the authors, the editors, nor the publisher can accept any legal responsibility for any errors or omissions that may have been made. The publisher makes no warranty, express or implied, with respect to the material contained herein.

All articles published in this journal are protected by copyright, which covers the exclusive rights to reproduce and distribute the article (e.g., as offprints), as well as all translation rights. No material published in this journal may be reproduced photographically or stored on microfilm, in electronic data bases, on video disks, etc., without first obtaining written permission from the publisher. The use of general descriptive names, trade names, trademarks, etc. in this publication, even if not specifically identified, implies that these names are protected by the relevant laws and regulations.

How to Cite

J. KUMAR*, S. K. and. (2015). Evaluation of yield losses and management practices of false smut in rice (Oryza sativa). Indian Phytopathology, 68(1), 45-49. https://epubs.icar.org.in/index.php/IPPJ/article/view/46971