Identification of broad base and stable sources of resistance to Fusarium wilt in pigeonpea
246 / 125
Authors
-
SHASHI MISHRA VISHWA DHAR*
Abstract
Vascular wilt of pigeonpea caused by Fusarium udum Butler is one of the most widely distributed and damaging diseases. Because of its soil borne nature and long survival, growing resistant varieties is the best option for managing the disease. However, instability of resistance observed in some newly developed resistant varieties due to pathogenic variability in F.udum has necessiated to identify donors for breeding of varieties with broad base, multiple variant resistance. Twenty one elite genotypes of pigeonpea recommended as wilt resistant donors were evaluated against three variants ( Vr 2, Vr 4 and Vr 5) of F.udum identified at Indian Institute of Pulses Research, Kanpur, under artificial inoculations. This has enabled to identify three genotypes viz. ICP 8860, ICP 8863 and ICP 14722 as uniformly resistant to all the three variants revealing their high and broad based resistance to Fusarium wilt. Three other genotypes viz. KPBR 80-2-1, PI 397430 and DPPA 85-14 showing oderate resistance against all the three variants also hold good promise. All the six genotypes can be effectively utilized as donors for breeding stable wilt resistant varieties. Genotypes found resistant to one or two of these variants may have limited applications in wilt resistance breeding programme.
Downloads
Issue
Section
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.