CORRELATION BETWEEN PRESENTATION OF CAUMARIN AND ITS DERIVATIVES IN PLUM TREES (Prunus domestics L.) AND ITS RESISTANCE FOR INFESTATION WITH APHID, Hyalopterus arundinis (FABR)

STUDIES ON THE BIONOMICS OF THE BLACK PARLATO RIA SCALE, Parlatoria ziziphus (Lucas) (DIASPIDIDAE - HOMOPTERA) ON APPLE TREES IN EL- GHARBIYA GOVERNORATE.

MORPHOLOGICAL AND HISTOLOGICAL CHANGES IN PEAR TREES DUE TO THE INFESTATION WITH CACOPSYLLA PYRICOLA (FOERSTER) (HEMIPTERA: PSYLLIDAE)

STUDIES ON THE EFFECTIVENESS OF SOME BIOINSECTICIDES ON APHIDS INFESTING POTATO AND TOMATO PLANTS (FAM: SOLANACEAE)

Susceptibility of Some Ornamental Plants to Aphid Infestation and Effects on Plant Biochemical Components and Morphological Structures

STUDIES ON FLOWERING, FRUITING AND RESIDUAL EFFECT OF SOME BREAKING DORMANCY AGENTS ON TWO PLUM CULTIVARS

Ecological Studies on the Peach Green Aphid, Myzus persicae and its Natural Enemies

Susceptibility of Certain Fruit Trees to Infestation With the White Peach scale, Pseudaulacaspis pentagona (Targioni -Tozzetti), With Some Ecological Aspects

APHIDOPHAGOUS INSECTS OF THE MEALY PLUM APHID Hyalopterus pruni (GEOFFROY) IN APRICOT AT SHARKIA GOVERNORATE, EGYPT

Ecological Studies on Aphid Species Infesting Main cereal Crops