Carbon Dioxide-Enriched Atmosphere to Control Oryzaephilus surinamensis L. On Stored Saqie Date Fruits

Abdel-Baky, N. F.; El-Rayes, D. A.; Aldeghairi, M. A.; GHONİMY, Mohamed; Alzoheiry, A.; Al-Otaibi, Nader D; Bakry, Moustafa M.S.

doi:10.3923/pjbs.2021.688.698

Cited by 3 publications

(1 citation statement)

References 23 publications

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“…The average total efficacy percentage (General Mortality %) is the average of mortality percentages for the treatment through three times after application. 31…”

Section: Bioassay Screeningmentioning

confidence: 99%

Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae)

Bakry,

Mohammed,

Dabour

et al. 2024

10.5267/j.ccl

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The white mango scale insect Aulacaspis tubercularis (Newstead) (Hemiptera: Diaspididae), which causes defoliation, drying out of young twigs, dieback, poor flowering, and decreased fruit output, causes serious damage to mango trees in Egypt. Attacks on mango fruits result in pink imperfections that lower their value as a commercial and export item. The current report aims to support the development of integrated management plans to combat A. tuberculosis and to identify more effective, eco-friendly insecticides. The bug may cause a considerable decrease in mango production and jeopardize the sustainability of mango plantation production if no management measures are taken. Currently, the application of a small number of insecticides—the majority of which have poor performance and are disruptive is the primary method used to manage A. tubercularis. In order to suppress this insect, we created novel pesticides called insect growth regulators (N, N′-substituted benzamide derivatives). By using both traditional and elemental spectroscopic investigations (IR, 1HNMR, and 13CNMR), these synthesized compounds which are linked to the most well-known insect growth regulator insecticides had their structures validated. The findings showed that A. tubercularis nymphs were more responsive to the evaluated treatments than adult females. After one day of application, all tested treatments resulted in a sizable proportion of mortality; the percentage of mortality increased with time for both A. tubercularis nymphs and adult females. Furthermore, the treatment with compound 3b was more effective than other synthesized compounds, with a LC50 of 0.318 ppm against nymphs and a LC50 of 0.993 ppm against adult females of A. tubercularis. While the treatment with compound 5 was the least toxic for controlling this pest, many assessments are essential to studying the efficacy of these treatments on advantageous insects.

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“…The average total efficacy percentage (General Mortality %) is the average of mortality percentages for the treatment through three times after application. 31…”

Section: Bioassay Screeningmentioning

confidence: 99%

Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae)

Bakry,

Mohammed,

Dabour

et al. 2024

10.5267/j.ccl

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Green synthesis and bioefficacy screening of new insect growth regulators as eco‐friendly insecticides against the cotton mealybug Phenacoccus solenopsis

Bakry,

Abdelhamid,

Al‐Hoshani

et al. 2024

Chemistry & Biodiversity

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Overcoming or reducing the majority of difficulties caused by the use of common pesticides requires the use of developed, secure, unique and selective organic compounds. Due to their clear mechanism of action on pests and lower poisonousness towards vertebrates than conventional insecticides, juvenile hormone analogues as an example of insect growth regulators appear promising. Thus, a unique set of pure insect growth regulators has been synthesized. The structure of these synthesized compounds, which were related to the most well‐known insect growth regulator insecticides, was confirmed by elemental and contemporary spectroscopic investigations (IR, UV, 1H NMR, 13C NMR, and Dept 135 spectrum). Under laboratory conditions, the effectiveness of a chemically newly synthesized products was tested against the cotton mealybug, Phenacoccus solenopsis, and compared with Fenoxycarb as a reference insecticide. Compound 7 was discovered to be more effective than the other synthetic compounds, with LC50 values of 0.907 mg/L for adult female P. solenopsis and 0.377 mg/L for third instar nymphs. Furthermore, this results concluded that the adult female's stage of P. solenopsis was less sensitive to the checked treatments as matched to the third instar nymphs.

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Exploration of Some Heterocyclic Compounds Containing Trifluoromethylpyridine Scaffold as Insecticides Toward Aphis gossypii Insects

Gad,

Bakry,

Tolba

et al. 2024

Chemistry & Biodiversity

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Five types of heterocyclic compounds containing trifloromethylpyridine scaffold namely; 3‐cyano‐2‐(N‐phenyl)carbamoylmethylthio‐6‐(thiophen‐2‐yl)‐4‐trifluoromethyl‐pyridine (6a), thieno[2,3‐b]pyridines 3‐5 and 7a‐c, pyrido[3',2':4,5]thieno[3,2‐d] pyrimidines 8‐13 and 15a‐c, pyrido[3',2':4,5]thieno[3,2‐d][1,2,3]triazines 16a,b, and 9‐(thiophen‐2‐yl)‐7‐(trifluoromethyl) pyrido [3',2':4,5]thieno[2,3‐e][1,2,4]triazolo[1,5‐c]pyrimidine (14) were synthesized in excellent yields and very pure state. The structures of these compounds were confirmed by elemental and spectral analyses. Most of the synthesized compounds were evaluated as insecticidal agents toward Aphis gossypii insects and promising results obtained. Among all tested compounds, only 6, 7a, 7c and 15c being the most potent compounds against nymphs and adults of Aphis gossypii and their activities are nearly to that of acetamiprid as a reference. The effect of 6a compounds 7a, 7c and 15c on the Aphis digestive system from histological point of view was also included.

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Carbon Dioxide-Enriched Atmosphere to Control Oryzaephilus surinamensis L. On Stored Saqie Date Fruits

Cited by 3 publications

References 23 publications

Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae)

Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae)

Green synthesis and bioefficacy screening of new insect growth regulators as eco‐friendly insecticides against the cotton mealybug Phenacoccus solenopsis

Exploration of Some Heterocyclic Compounds Containing Trifluoromethylpyridine Scaffold as Insecticides Toward Aphis gossypii Insects

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