تاثير كاربرد دو نوع روغن معدني در كنترل بالشتك مركبات Pulvinaria aurantii Cock و كنه هاي شكارگر در باغات مركبات شهرستان ساري

Efficacy of Two Mineral Oil on Pulvinaria aurantii (Cock.) and Active Phytoseiid Mite on Sari Region Citrus Orchard

PII!Iʹ;lILlr;a aurantii (Cock.) is the most important pest in Mazandaran province with major chemical control being used against it in citrus orchards every year. Spray oil is the best pesticide for IPM purposes. Efficacy of two mineral oil, Cipron" and Medium oilʹ. with different physical character. in IʹYo (V/V) was evaluated tinʹ control of P. aurantii (Cock.) in 2002 and 2003. Result showed that population of I" and 2nd instars and 3ʹ" instar and female adults or 1ʹ. aurantii "as significantly suppressed by Cipron" as well as I" and 2"J instars and 3ʹd insiar and tcmale adults or P. anrantii by Medium oil". Result or comparison between predatory mites population in mineral oil treatment and chemical pesticide treatments, such as Abarncctin and Dursban, indicated that although predatory mites, such as Phytosciidac, Anystidac and Trombididae in all treatment do not have significant difference after treatment, predatory mite population in mineral oil treatments arc significantly more than chemical pesticides treatments after I month. lhis phenomenon may be the result or permanent toxical residue and replant effects of mineral oils. Mineral oils can be used for control of both P. aurantii and Phyllocoptenno oleivora (Ashmcd), thc most important pests in Mazandaran province.