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Population dynamics of sesame broad mite, Polyphagotarsonemus latus (Banks) in relation to weather parameters

A study on the population dynamics of Polyphagotarsonemus latus in relation to weather parameters was carried out at Instructional Farm, Junagadh Agricultural University, Junagadh, Gujarat, India, during the kharif-2018. The incidence of P. latus on sesame (Sesame indicum) was commenced from second week of September and continued till second week of October having a single peak (10.380 mites/leaf) during last week of September in sesame crop. Mites population had positive and significant relationship with bright sunshine hours (BSS) [0.734*]. There was positive and non-significant impact due to maximum temperature (MaxT) [0.396]. However, minimum temperature (MinT) [-0.092], morning and evening relative humidity {RH1 [-0.331], RH2 [-0.442]}, wind velocity (WV) [- 0.484] and rain (R) [-0.598] were negatively correlated with the incidence of mites population and the relationship was non- significant. | Population dynamics of sesame broad mite, Polyphagotarsonemus latus (Banks) in relation to weather parameters