Efficacy of Some Fungicides on Controlling Cercospora Leaf Spot and Their Impact on Sugar Beet Yield Components

Gouda, M. I.; El-Naggar, A. A.

doi:10.21608/jppp.2014.87868

Cited by 4 publications

(5 citation statements)

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“…-1 due to Eminent and T. koningii T1, each during both seasons, respectively, indicating great superiority. Obtained results agreed with the findings of Morsy et al, (2022); Gouda and El-Naggar, 2014), who found that when applied Eminent and bioagents, consistently provided effective against Cercospora leaf spot disease. It was in agreed with Amaresh and Bhatt (1998), they reported that bioagents may increase the nutrients and essential components required to improve photosynthesis in the host plants to decrease the negative effects of the pathogen.…”

Section: Chlorophyll Contents and Yield Parameterssupporting

confidence: 90%

“…Ergosterol are required for membrane structure and function as well as cell walls. Thus, these fungicides cause abnormal growth and eventually death for fungi (Morsy et al, 2022, Gouda andEl-Naggar, 2014). This result might be due to the successful antagonism to plant pathogens by saprophytic microorganisms which was operated by nutrient competition, hyper parasitism, antibiosis and/or induced host resistance.…”

Section: In Vivo Experimentsmentioning

confidence: 99%

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Potential Impacts of Eminent Fungicide, Certain Bacterial and Fungal Antagonists for Controlling Cercospora Leaf Spot Disease in Sugar Beet.

Hameed

العمرى²

2023

Journal of Sustainable Agricultural Sciences

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pplicability of some isolates and Eminent for control sugar beet cercospora leaf spot disease which cused by C.ercospora beticola was inestigated. The fungicide, Eminent was the superior in vitro treatment in suppressing growth of the pathogenic fungus. Bacillus subtilis (B1), B. subtilis (B2) and Trichoderma koningii (T1) were the most antagonistic against the pathogen. Mycelia of Cercospora beticola were in vitro partially prevented due to application of Eminent, by which its IC 50 reached 1.20 ppm. Whereas 88.12 % of the pathogenic fungus were inhibited due to Trichoderma koningii (T1). Additionally, Relative power of antibiosis (RPA) reached their maximal of 2.11 by B. subtilis (B1). Under field conditions, disease severity was reduced to 20.0 and 21.0 % by Eminent during both seasons, respectively, followed by B. subtilis (B1) and T. koningii (T1). Efficiencies of the tested Epicoccum nigrum isolates for controlling sugar beet Cercospora leaf spot disease were not as expected. The enzyme activities of Peroxidase (POX), Catalase (CAT), and Polyphenol oxidase (PPO) was increased in sugar beet to control C. beticola, and induce systemic acquired resistance. Accordingly, chlorophyll content, total soluble solids (T.S.S), sucrose % and root productivity per ton fed. -1 were also enhanced due to the use the superior control of Eminent, Trichoderma koningii (T1) and Bacillus subtilis (B1), respectively.

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Section: Chlorophyll Contents and Yield Parameterssupporting

confidence: 90%

Section: In Vivo Experimentsmentioning

confidence: 99%

Potential Impacts of Eminent Fungicide, Certain Bacterial and Fungal Antagonists for Controlling Cercospora Leaf Spot Disease in Sugar Beet.

Hameed

العمرى²

2023

Journal of Sustainable Agricultural Sciences

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“…The dispersion of conidia occurs by wind, water splashes, running water, and insects. As for the environmental conditions that are favourable to the disease to develop, the following characteristics are indicated: day temperatures from 25 to 35 • C, night temperature of 16 • C, and prolonged periods of 90% to 95% of relative humidity or free moisture on leaves [38].…”

Section: Discussionmentioning

confidence: 99%

The Use of a New Ionic Derivative of Salicylic Acid in Sugar Beet Cultivation

Kukawka,

Spychalski,

Grzempa

et al. 2024

Agronomy

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The need for sustainable development in the context of pesticide use has been recognized by the European Union. The “Farm to Fork Strategy” indicates a goal of 50% reduction in pesticide use by 2030. To address this challenge, we used the concept of ionic liquids to modify known resistance inducers, i.e., a group of substances whose action is indicated as an alternative to fungicides. A new, patented substance developed by us, which is a choline 3,5-dichlorosalicylate, has been tested in the context of its use in sugar beet cultivation with the aim of controlling Cercospora leaf spot (CLS). The results suggest that the use of this substance in combination with one fungicide treatment reduces disease infection and produces yields very similar to the use of a standard protection program assuming the use of two fungicides. Such results provide the basis for further development of 3,5-dichlorosalicylate in terms of its use in agriculture. Thanks to its use, it was possible to resign from one fungicide treatment, while maintaining protection against CLS and yields at the same level as for the full fungicide protection program. Such an approach is in line with European Union policies.

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“…All data were subjected to analysis of variance (ANOVA) for the whole randomized block design, followed by a comparison of means using LSD at the 0.05 level of probability, as described by Gomez and Gomez (1984).…”

Section: Discussionmentioning

confidence: 99%

Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides

El-Sayed,

Hamed,

Shafiek

et al. 2023

Egyptian Journal of Phytopathology

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Sugar beet (Beta vulgarisL.) is an important cash crop for the production of sugar beet grown in temperate regions. Often, fungal leaf diseases infect the sugar beet crop during the season, causing significant yield reductions. The efficacy of some chemical fungicides to control the infection by the disease and their impact on yield and sugar content was studied. The obtained data showed that plants and yield traits were significantly exceeded by applying fungicides used. Plants treated with Eminent recorded the highest efficiency regarding disease management as well as root weight, TSS, sugar percentage and purity followed by Nativo then Microthiol. In addition, plants sprayed with Eminent recorded the highest content of total phenols and peroxidase activity followed by Nativo and Microthiol. Only Nativo was safe for human after harvest that detected maximum residue level (MRL) ratio 0.02 at harvest. On the other hand, Eminent was the most dangerous to human, where recorded the highest residues at harvest and after 14 days of harvest. Foliure fungicide didn't show any decline in their residue at 14 days after harvest.

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Efficacy of Some Fungicides on Controlling Cercospora Leaf Spot and Their Impact on Sugar Beet Yield Components

Cited by 4 publications

References 0 publications

Potential Impacts of Eminent Fungicide, Certain Bacterial and Fungal Antagonists for Controlling Cercospora Leaf Spot Disease in Sugar Beet.

Potential Impacts of Eminent Fungicide, Certain Bacterial and Fungal Antagonists for Controlling Cercospora Leaf Spot Disease in Sugar Beet.

The Use of a New Ionic Derivative of Salicylic Acid in Sugar Beet Cultivation

Enhancing the Ability of the Sugar Beet Plants to Control Powdery Mildew by Using some Chemical Fungicides

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