Comparison among four triazole fungicides on growth and development of sheath blight of rice pathogen Rhizoctonia solani Kühn AG1-1A
Access Status
Authors
Date
2016Type
Metadata
Show full item recordCitation
Source Title
ISSN
School
Collection
Abstract
© 2016 Informa UK Limited, trading as Taylor & Francis Group. The sheath blight of rice pathogen Rhizoctonia solani Kühn AG1-1A has long been known as a major crisis in global rice production. The present study aimed to compare the efficacy of four triazole fungicides at different doses on the growth and development of R. solani Kühn AG1-1A. Obtained results demonstrated inhibitory effects of all four fungicides on mycelial growth, sclerotia formation and biomass production of R. solani Kühn AG1-1A with significant variation among the treatment doses as well as fungicide molecules (p = 0.05). At the respective EC 50 doses all four fungicides inhibited cell wall degrading enzymes viz. invertase, cellulase, polygalacturonase and pectin lyase, of the sheath blight pathogen. The extent of inhibition of the enzymes significantly varied among the fungicides. It is important to note that in spite of having common mode of action, all four triazole fungicides demonstrated significant variation in their fungicidal efficacy on R. solani Kühn AG1-1A.
Related items
Showing items related by title, author, creator and subject.
-
Van den Bosch, F.; Paveley, N.; Shaw, M.; Hobbelen, P.; Oliver, Richard (2011)This paper reviews the evidence relating to the question: does the risk of fungicide resistance increase or decrease with dose? The development of fungicide resistance progresses through three key phases. During the ...
-
Bennett, Sarita ; Lee, Robert C; Sharma, Anjana (2019)The legume field pea can be a valuable component of crop rotations to reduce cereal disease carryover and increase soil nitrogen. However, it is frequently affected by Ascochyta blight which reduces yield. Fungicides are ...
-
Van Den Bosch, F.; Paveley, N.; Van Den Berg, F.; Hobbelen, P.; Oliver, Richard (2014)We have reviewed the experimental and modeling evidence on the use of mixtures of fungicides of differing modes of action as a resistance management tactic. The evidence supports the following conclusions. 1. Adding a ...