Screening Of Bio-Pesticides against Pest of Cauliflower Thrip under the Climatic Condition of Tandojam, Sindh Pakistan

Author(s)

Muhammad Bilal Baloch , Dr. Abdullah Dostain , Dr. Shahida Habib Alizai , Shazia Jaffar , Dr.Shahab ud Din ,

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Volume 2 - August 2018 (08)

Abstract

A field study was carried out during the year of 2017-18 at the experimental station of Entomology Section, Agriculture Research Institute, (ARI) Tandojam Sinnd Pakistan so as to examine the efficacy of different bio-pesticides against cauliflower thrips. Seven treatments with three replications were applied. The treatments were: T1=chemical control (Confidor), T2=Neem (Azadirachta indica), T3=Akk (Calotropis procera Alton. F.), T4=Tooh (Citrullus colocynthus Schrad. L.), T5=Datura (Datura stramonium) T6=Tabacco (Nicotiana tabacum) and T7=Control (untreated). One insect was found in the infesting cauliflower, for instance, thrips. Pre and post-treatment observations were also recorded. The results revealed that against thrips the first spray of chemical control (Confidor) showed highest efficacy (82.82%), followed by Neem extract (78.42%), Tobacco extract (72.33%), Tooh extract (69.51%), Akk extract (65.55%) and lowest for Dhatura extract (58.97%); while in the second spray also, chemical control (Confidor)  showed the highest efficacy against thrips (88.35%); followed by Neem extract (85.39%), Tobacco extract (82.68%), Tooh extract (80.64%) and least by Dhatura extract (78.97%). According to the efficacy the treatments ranked as a synthetic pesticide (chemical control) Neem extract, Tobacco extract, Tooh extract, Akk extract, and Dhatura extract respectively. Although, the chemical control was effective against the cauliflower thrips, on the basis of efficacy, Neem extract, shows nearly effect followed by Tobacco extract and Tooh extract should be suggested for safe control of cauliflower thrips and having a less residual effect.

Keywords

Bio-pesticides, Cauliflower, Thrips, Sindh, Pakistan.

References

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