Efficacy of Some Synthetic Insecticides and Neem Seed Oil for the Management of Thrips of Mungbean <i>Vigna radiate</i> (L.) Wilezek
Field study was carried out at Bangladesh Agricultural Research Institute (BARI) farm during March to August 2005 to find out the most appropriate management practices against thrips of mungbean. The experiment consisted of seven treatments of various management practices. It was laid out in Randomized Complete Block Design (RCBD) with four replications. The incidence of this pest was first noticed during vegetative and flowering stage. The infestation rate was highest in reproductive stage. Application of Furadan 5G as a seed treatment gave the maximum yield (950.5 kg-ha). On the other hand, minimum yield was found in control treatment. Two times application of Shobicron 425 EC also gave the satisfactory result but it was not economically viable. Neem oil with Trix gave the significant result in comparison with other treatments and it may be environmentally friendly.
Key words: Efficacy, Synthetic and botanical insecticides, Megalurothrips distalis, Yield.
J. bio-sci. 16: 105-108, 2008