EFFICIENCY OF SOME INSECTICIDES IN CONTROLLING THE CHAFF SCALE INSECT, Par/a to ria pergandii (COMSTOCK) INFESTED THE ORNAMENTAL PLANT, Yucca a/oifolia, (LiLIACEAE) AT CAIRO GOVERNORATE, EGYPT.

Document Type : Original Article

Authors

Plant Protection Research Institute, Agricultural Research Center, Giza, Egypt.

Abstract

An experiment was carried out at Kasr EI Kobba, Cairo in Egypt on June 27,
th , 2001 to evaluate the effect of some insecticides on the chaff scale insect,
Parla/oria pergandii (Comstock) infested Yuka plant, Yucca a/oifo/ia (Liliaceae). The
most effective scalicdes on this pest was Sumicitlin 0.05%, followed by Masrona oil
1.5% while the least effective scalicides was Masedine (Malathion) 0.250%. The
percentages of mortality of the three scalicides in the whole experiment were 77.04.
71.83% and 47.62%, respectively.

Keywords

Journal of Plant Protection and Pathology
Volume 29, Issue 2
February 2004
Pages 961-965

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