Population parameters of Tetranychus turkestani (Acari: Prostigmata: Tetranychidae) on fourteen melon genotypes

The antixenosis effects of Galia, CMD-158, CMC-132, CMI-157, CMI-167, CMI-175, Ananasi, Yellow Canary, Samsoori, Honey Dew, Bargney, CM-170, Khaghani and Garmsari, and the life table parameters of T. turkestani on CMC-132, CMI-167, Ananasi, Samsoori, Honey Dew and Bargney, were examined at 28 ± 1°C, 65 ± 10 % RH and a photoperiod of 16:8 L:D. In free-choice assay, the lowest preferences by adults were observed on CMI-167, Samsoori and Ananasi opposed to Honey Dew and Bargney were preferred the highest by adults of T. turkestani. The longest developmental times for both sexes were observed on CMC-132 and Ananasi, while the shortest developmental times were obtained on Honey Dew, Samsoori for females. The lowest total fecundity was observed on CMC-132 whereas the maximum was on Honey Dew. In addition, the highest value of intrinsic rate of increase (rm), net reproductive rate (R0), finite rate of increase (l) of T. turkestani were observed on the Honey Dew. The Weibull and Enkegaard models were used to fit survivorship (lx) and age specific fecundity (mx) data, respectively. The comparison and cluster analysis of biological parameters of T. turkestani on different melon genotypes demonstrated that CMC-132, Ananasi and CMI-167 were the most resistant genotypes to this pest.