El Dash, A., Eldefrawy, B., Hassan, H. (2019). ECOLOGICAL STUDIES ON SOME SPECIES OF SCALE INSECTS INFESTING CITRUS TREES AT MENOUFIA GOVERNORATE. Menoufia Journal of Plant Protection, 4(1), 19-20. doi: 10.21608/mjapam.2019.116400
A. A. A. El Dash; B. M. Eldefrawy; H. A. N. Hassan. "ECOLOGICAL STUDIES ON SOME SPECIES OF SCALE INSECTS INFESTING CITRUS TREES AT MENOUFIA GOVERNORATE". Menoufia Journal of Plant Protection, 4, 1, 2019, 19-20. doi: 10.21608/mjapam.2019.116400
El Dash, A., Eldefrawy, B., Hassan, H. (2019). 'ECOLOGICAL STUDIES ON SOME SPECIES OF SCALE INSECTS INFESTING CITRUS TREES AT MENOUFIA GOVERNORATE', Menoufia Journal of Plant Protection, 4(1), pp. 19-20. doi: 10.21608/mjapam.2019.116400
El Dash, A., Eldefrawy, B., Hassan, H. ECOLOGICAL STUDIES ON SOME SPECIES OF SCALE INSECTS INFESTING CITRUS TREES AT MENOUFIA GOVERNORATE. Menoufia Journal of Plant Protection, 2019; 4(1): 19-20. doi: 10.21608/mjapam.2019.116400
ECOLOGICAL STUDIES ON SOME SPECIES OF SCALE INSECTS INFESTING CITRUS TREES AT MENOUFIA GOVERNORATE
1Prof. of Economic Entomolog, Fac. of Agric., Menoufia Univ.
2Senior Researcher, Plant Protection Research Institute, Agric. Research Centre
Abstract
Studies were carried out on mandarin and navel orange trees at Faculty of Agriculture in Shebin El-Kom, Menoufia Governorate tow successive years (2015-2016 and 2016-2017) to survey the important scale insects and their associated parasitoids. three species of scale insect and one species of parasitoid species were recorded. Seasonal abundance, number of generations, effects of climatic factors, preferable leaf surface and distribution for The Parlatoria black scale, Parlatoria ziziphi (Lucas) and its associated parasitoids were studied. Relationship between the infestation and leaves chemical components were estimated.
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