Vol. 9(5), pp. 162-168, October 2021
https://doi.org/10.14662/arjasr2021260
Copyright 2021
Author(s) retain the copyright of this article
ISSN: 2360-7874
http://www.academicresearchjournals.org/ARJASR/Index.htm
 

Research paper

Performance of Fungicides on Mycelial Growth of Colletotrichum Spp

 

Muhammad Nasiru Abubakar*1 and Mohammed Shuaibu Likita2

 

*1Department of Forestry & Environment, Usmanu Danfodiyo University, Sokoto Nigeria "Arial","sans-serif""> 

2Department of Basic Science and General Studies, Federal College of Forestry Mechanization, Afaka, Kaduna, Nigeria. Email: amnafad597@gmail.com

 

Date of Submission: 10 September 2021 Accepted 12 October 2021

Abstract

Research on the efficacy of systemic and contact fungicides on mycelial growth of Colletotrichum was conducted in the Mycology Laboratory, Department of Crop Protection, Faculty of Agriculture, Institute of Agricultural Research, Ahmadu Bello University Zaria, to determine the most effective fungicides in the control of Colletotrichum leaf blight diseases. Each fungicide was amended at three rates viz; Manufacturers recommended rate, 50% less and 50% higher than the recommended rates. Mycelial growth, Macro and Micro conidia were measured. The results show that at 2 days after inoculation (DAI), all the fungicides irrespective of the rates gave statistically similar values of 2.00mm with the exception of control treatment (19.13mm). At 4DAI, the highest mycelia growth was obtained in the control treatment (37.00mm), followed by carbendazim at rate 1 (18.50mm), lowest mycelia growth of 2.00mm was observed with the application of mancozeb and benomyl irrespective of the concentration.. The effects of fungicides on micro conidia of Colletotrichum spp with respect to spores per millilitre, length and width, has significant difference among the treatments. Control had the highest number of spore (53011719) followed by benomyl treatments at rate 1, while no spore was counted in mancozeb + carbendazim and mancozeb treatments at all rates. Result also shows higher spore length in benomyl treatment at rate 1 (4.36µm) followed by rate 2 of the same fungicide (4.22µm). Mancozeb used alone inhibited the mycelial growth of Colletotrichum, others also at combined rates

 

Key words: Colletotrichum, Mycelia, Fungicides, Conidia, Mancozeb

 

How to cite this article (APA Style): Nasiru, A.M., Shuaibu, M.L. (2021). Performance of Fungicides on Mycelial Growth of Colletotrichum Spp. Acad. Res. J. Agri. Sci. Res. 9(5): 162-168