Plant Disease Research
  • Year: 2017
  • Volume: 32
  • Issue: 1

Evaluation of Trichoderma isolates against Rhizoctonia solani and Rhizoctonia oryzae causing sheath blight of rice

  • Author:
  • Ahmed I.A.I. Heflish2, Narinder Singh1,, Shiveta Raina1, Daljeet Singh Buttar1
  • Total Page Count: 11
  • Page Number: 36 to 46

1Department of Plant Pathology, Punjab Agricultural University, Ludhiana-141004

2Departement of Agricultural Botany, Faculty of Agriculture (Saba Basha), Alexandria University, Egypt

*E-mail: narindermutti@pau.edu

Online published on 5 August, 2017.

Abstract

Twenty seven isolates of Trichoderma spp. (26 isolates of Trichoderma spp. and one isolate Trichoderma viride) were isolated from the natural soil. Among all isolates T. asperellum (T19) showed the maximum inhibition of Rhizoctoniasolani and R. oryzae (65.80 and 74.44%, respectively) by dual culture technique. The volatile metabolites from T. asperellum (T19) caused 56.91% inhibition against R. solani and 91.23% against R. oryzae as compared to control. T. asperellum (T19) when applied as seed+soil+foliar application @15g/kg controlled the sheath blight upto 73.66%.

Keywords

Chitinase, glucanase, Rhizoctonia, sheath blight, Trichoderma spp