Abstract
An experiment was carried out at the 2 nd of January, 2007 at Fayed district, Ismailia Government, to evaluate the effectiveness of some conventional insecticides , bio- pesticides and Mineral oils on the Maskell scale insect, Insulaspis pallidula (Green) infested Mango trees, Mangifiera indica L. The obtained results obviously showed that Admiral was the most affective compound, which gave 83.35% percentage of reduction, followed by Biover (79.46%), Bioranza (78.88%), Conserve (73.96%) and Malathion (71.60%) reduction percentage. The least effective compound was Masrona oil which gave (68.52%) percentage of reduction.
Highlights
Mango trees, Manigifera indica Linnaeus is considered one of the most popular fruits in the world countries in general and especially in Egypt
These insects belonging to the superfamily coccoidea; Among of these scale insects is the Maskell scale insects, Insulaspis pallidula (Green) which causes severe damage to mango trees by sucking out the plant sap
"2002" and Elwan, "2005", which found that I. pallidula (Green) and Aonidiella aurantii (Mask.) attack mango trees
Summary
Mango trees are subjected to infestation by several insects such as scale insects and mealybugs These insects belonging to the superfamily coccoidea; Among of these scale insects is the Maskell scale insects, Insulaspis pallidula (Green) which causes severe damage to mango trees by sucking out the plant sap. This scale insect belonging to family Diaspididae, and it attacks leaves, shoots, twigs and fruits of mango trees. "2002" and Elwan, "2005", which found that I. pallidula (Green) and Aonidiella aurantii (Mask.) attack mango trees They added that at high degree of infestation, these sucking insects cause serious damage to mango trees to leaves, branches and dropped fruits, leaves and dried branches. The present study was carried out to estimate the effectiveness of certain insecticides, bio-pesticides and mineral oils on the different stages of the Maskell scale insects, I. pallidula on mango trees in a private mango orchards at Fayed district, Ismailia Governorate
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