FLUCTUATION DYNAMICS OF TETRANYCHUS URTICAE KOCH AND THE ASSOCIATED PREDATOR Amblyseius gossypii ELBADRY ON GUAVA TREES IN NORTH SINAI, EGYPT (ACARI: TETRANYCHIDAE AND PHYTOSEIIDAE)
Abstract:The present study aimed to clear the fluctuation dynamics for both Tetranychus urticae Koch and the associated predatory mite Amblyseius gossypii ElBadry to show their active periods that advantageously in controlling T. urticae biologically. It was occurred on guava trees (Psidium guajava L). Guava trees were seven years old in an orchard in Beer El-Abd city, North Sinai Governorate, Egypt were studied during April 2019 to March 2021. Observation was done fortnightly on both mite species density per leaf by s… Show more
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