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    Effects of three different cultivars of cruciferous plants on the age-stage, two-sex life table traits of Plutella xylostella (L.) (Lepidoptera: Plutellidae)
    (Blackwell Publishing, 2019) Jaleel W.; Saeed S.; Saeed Q.; Naqqash M.N.; Sial M.U.; Aine Q.U.; Lu L.
    Plutella xylostella is an important pest of cruciferous crops worldwide. However, information regarding the age-stage, two-sex life parameters of P. xylostella, which is vital for designing more effective control methods, is currently lacking. The present study reports age-stage, two-sex life table parameters for P. xylostella on napa cabbage (Brassica oleracea var. napa), white cabbage (B. oleracea var. capitata), and cauliflower (B. oleracea var. botrytis) under laboratory conditions at 25 ± 2°C, 50–60% relative humidity, and a 16-h light : 8-h dark photoperiod. The time for development from an egg to a male or female adult P. xylostella on white cabbage (mean [± SE] 41.15 ± 0.54 and 39.50 ± 0.54 days, respectively) was significantly longer than that on cauliflower and napa cabbage. Furthermore, P. xylostella fecundity on cauliflower (261.90 ± 4.53 eggs female) was significantly highest than on napa cabbage and white cabbage. Intrinsic rate of increase (r) and finite rate of increase (?) were highest on cauliflower 0.182 day -1 and 1.199 day -1 respectively as comparison to napa cabbage and white cabbage. The highest gross reproductive rate (GRR) and net reproductive rates (R 0 ) of P. xylostella 65.87 and 52.58 respectively on cauliflower then those of other hosts. The findings of the present study indicate that cauliflower is the most suitable cultivar (host) for the development of P. xylostella. Based on these findings, crops like cauliflower can be used as trap crops when napa cabbage and white cabbage are the main crops. © 2017 The Entomological Society of Korea and John Wiley & Sons Australia, Ltd