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

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, ch...