Evaluating the Efficacy of Fungicides for Controlling Late Blight in Tomatoes Induced by Phytophthora infestans

Year 2024, Volume: 5 Issue: 4, 241 - 247, 31.12.2024

Iqra Kanwal , Fatih Ölmez , Amjad Ali , Muhammed Tatar , Fatih Dadaşoğlu

https://doi.org/10.56430/japro.1533073

Abstract

Tomato (Solanum lycopersicum L.), is an important crop in tropical and subtropical regions, but it is highly susceptible to biotic stresses, particularly late blight caused by Phytophthora infestans. This fungus disease can lead to sudden outbreaks, resulting in severe crop losses. Chemical control remains a vital strategy for managing such outbreak. This study evaluated the effectiveness of 20 different fungicides, sprayed at recommended doses, for controlling late blight tomato and improving tomato production. A susceptible tomato variety, Nagina, was grown under randomized complete block design (RCBD) in vivo. Based on the percentage of disease infections produced on tomato plants and statistical analysis results, the results found that Chlorostrobin (13.62%), Cabrio Top (14.91%), Curzate M (15.38%), Ridomil Gold (16.77%), Jalva (17.13%), Nanok (19.2%), and Antracol (19.34%) were the most effective fungicides against P. İnfestans. Other fungicides such as Co-pride (21.1%), Flumax (21.54%), Alliette (23.81%), Score (24.35%), Success 40 WSP (25.13%), and Melody Due (28.82%) also exhibited effective results. However, fungicides like Rally (32.23%), Cytrol (34.28%), Thrill (37.46%), Evito (37.52%), Shincar (43.63%), Topas (45.83%), and Tilt (48.59%) were less effective in controlling the disease. These findings highlight the importance of using Chlorostrobin, Cabrio Top, Curzate M, Ridomil Gold, Jalva, Nanok, and Antracol are highly effective fungicides to combat late blight. This targeted approach ensures that fungicides are applied when they are most effective at preventing disease outbreaks, reducing overall fungicides use and costs.

Keywords

Chemical management, Disease incidence, Foliar spray, Phytophthora infestans, Tomato late blight

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