Data on assessment of a diketopiperazine, cyclo(Trp-Phe) from Streptomyces griseoplanus SAI-25 against cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae)

Larvae of H. armigera were reared using chickpea flour based semisynthetic diet, as per the standard protocols. The rearing conditions were maintained at a temperature of 27 ± 3 °C, with a relative humidity of 65–70 %. In brief, 2 ml of the artificial diet was poured into a 24-well plate and allowed