Assessment of pod and haulm yield losses due to rust of groundnut caused by Puccinia arachidis Speg. in northern Karnataka


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Authors

  • GURURAJ SUNKAD* and SRIKANT KULKARNI

Keywords:

Groundnut, rust, yield loss

Abstract

Studies were conducted to assess the pod and haulm yield losses due to rust of groundnut using hexaconazole 5%EC in susceptible (KRG-1) and moderately resistant (K-13t:) varieties during kharif 2002 and 2003. Comparatively lower disease index with increase in pod and haulm yield and also maximum benefit cost ratio (BCR) were recorded in plots receiving three sprays of hexaconazole in a susceptible cultivar KRG-1and two sprays of the same fungicide in moderately resistant variety K-134 with average pod yield loss of 40.20 and 34.00 percent, respectively. Similarly, the loss in haulm yield (47.04%) was more in KRG-1 than K-134 (32.11).Yield loss models using simple linear regression functions in the form Y=a+bX were developed.

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Issue

Vol. 59 No. 1 (2006): Indian Phytopathology

Section

Research Articles

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How to Cite

SRIKANT KULKARNI, G. S. and. (2006). Assessment of pod and haulm yield losses due to rust of groundnut caused by Puccinia arachidis Speg. in northern Karnataka. Indian Phytopathology, 59(1), 56-61. https://epubs.icar.org.in/index.php/IPPJ/article/view/17253