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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(3): 1921-1927
DOI: https://doi.org/10.20546/ijcmas.2021.1003.243


Study on Fungal Leaf Spot Diseases of Gladiolus (Gladiolus grandiflorus) in Prayagraj City
Chaitra Meghana*, Abhilasha A. Lal and K. Trishul Kumar
Department of Plant Pathology, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India
*Corresponding author
Abstract:

Study on fungal leaf spot diseases of gladiolus (Gladiolus grandiflorus) in Prayagraj city was assessed in the year 2019 and 2020. A survey was conducted in Prayagraj city among different varieties during their active growth period of gladiolus which revealed the incidence of Curvularia leaf spot and Alternaria leaf spot to be the predominant diseases of the crop. The per cent disease incidence recorded, among the varieties surveyed for Curvularia leaf spot are Flevo spirit (53.84%), Petar pears (76.92%), Extasy (38.46%), Charisma (61.53%), Performer (54.54%), Ocilla (71.42%), White prosperity (30.00%) and the per cent disease incidence for Alternaria leaf spot are as follows Flevo spirit (73.34%), Petar pears (53.33%), Extasy (46.67%), Charisma (66.66%), Performer (40.00%), Ocilla (58.34%), White prosperity (69.23%). The mean per cent disease incidence for Curvularia leaf spot is 55.24% and where as for Alternaria leaf spot it is 58.22% respectively during 2019 and 2020. The varieties exhibited different incidence where the highest disease incidence recorded for Curvularia leaf spot is Petar pears and for Alternaria leaf spot the highest disease incidence was from the variety Flevo spirit respectively. The disease samples surveyed were collected for the isolation and identification of the disease. The pathogens Curvularia trifolii f. sp. gladioli and Alternaria alternata was isolated in potato dextrose agar medium and identified their morphological structures using a microscope. The chi square is performed for Curvularia trifolii f. sp. gladioli and Alternaria alternata to analyze statistical data. These diseases need special attention in devising protection strategies of the crop.


Keywords: Alternaria alternata, Chi square test, Curvularia trifolii f. sp. gladioli, Gladiolus, Per cent disease incidence, Survey
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How to cite this article:

Chaitra Meghana, V., Abhilasha A. Lal and Trishul Kumar, K. 2021. Study on Fungal Leaf Spot Diseases of Gladiolus (Gladiolus grandiflorus) in Prayagraj City.Int.J.Curr.Microbiol.App.Sci. 10(3): 1921-1927. doi: https://doi.org/10.20546/ijcmas.2021.1003.243