Journal of Plant Disease Sciences
  • Year: 2014
  • Volume: 9
  • Issue: 2

Integrated management of powdery mildew of Okra

  • Author:
  • Siddappa Bachihal, Y.S. Amaresh, M.K. Naik, Gururaj Sunkad, A.G. Sreenivas1, Abbass Hussain2, D.S. Asawathanarayan
  • Total Page Count: 5
  • Page Number: 185 to 189

1Dept of Agril. Entomology, College of Agriculture, UAS, Raichur-584102

2Dept of Horticulture, MARS, Raichur-584102, Karnataka, India

Dept of Plant Pathology, College of Agriculture, UAS, Raichur-584102

Online published on 20 February, 2015.

Abstract

An experiment was undertaken to manage powdery mildew Erysiphe cichoracearum of Okra by using fungicides and bioagents. Three sprays of difenconazole (17.26% PDI) followed by two sprays of difenconazole in combination with Pseudomonas fluorescens (19.21% PDI) were found effective in managing powdery mildew of okra. The maximum benefit cost ratio was recorded in three sprays of propiconazole which was followed by three sprays of difenconazole. Thus, among the treatment combination Pseudomonas fluorescens and nimbicidin intermixed with propiconazole and difenconazole spray schedule not only reduced the cost of protection but also gave higher benefits.

Keywords

Pseudomonas fluorescens, Nimbicidin, Propiconazole, Difenconazole, Erysiphe cichoracearum