International Journal of Chemical Studies
Vol. 5, Issue 6 (2017)
Compatibility between fungicides and Bacillus amyloliquefaciens isolate B15 used in the management of Sclerotinia sclerotiorum causing head rot of cabbage
Author(s): K Kamesh Krishnamoorthy, A Sankaralingam and S Nakkeeran
Abstract: Sclerotinia sclerotiorum is a necrotrophic plant pathogen. It is soil borne and affects temperate crops. The pathogen infects cabbage leading to a diseased condition known as head rot in which rotting of fully grown cabbage heads are observed. The rotted cabbage heads exhibit cottony white mycelial growth on their surface. With advancement of the disease the mycelial growth becomes dense and numerous carbon black coloured bodies called sclerotia are formed on the surface. Fungicides and Bacillus amyloliquefaciens isolate B15 used for the management of S. sclerotiorum were used for compatibility studies. Compatibility between eight fungicides viz., propineb, carbendazim, tebuconazole, Nativo (Tebuconazole + Trifloxystrobin), fosetyl aluminium, tricyclazole, metalaxyl, kresoxim methyl and Bacillus amyloliquefaciens isolate B15 was tested by poisoned food technique. Out of eight fungicides, compatibility between two effective fungicides viz., Nativo (Tebuconazole + Trifloxystrobin) and Carbendazim with B. amyloliquefaciens isolate B15 was tested by turbidometric method. Results of poisoned food technique indicated that B. amyloliquefaciens isolate B15 was compatible with Kresoxim methyl and Carbendazim at all the tested concentration. In turbidometric method fungicides nativo and carbendazim were compatible with B. amyloliquefaciens isolate B15 at 25, 50 and 100 ppm. The compatibility test can be used as a guide for combined application of fungicides and biocontrol agents in field level.
Pages: 239-243 | 676 Views 11 Downloads
How to cite this article:
K Kamesh Krishnamoorthy, A Sankaralingam, S Nakkeeran. Compatibility between fungicides and Bacillus amyloliquefaciens isolate B15 used in the management of Sclerotinia sclerotiorum causing head rot of cabbage. Int J Chem Stud 2017;5(6):239-243.