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本文报道了对南京地区14处以梅花为主要造园材料的公园等景点及植梅较为集中的苗圃等地的调查研究,共查出梅花病害15种,虫害48种,列出名录,注明学名.在梅花病害中,斑枯病(Pestalotia guepini Desm.)、炭疽病(Colletotrichum mume Hori)及煤污病(Fumagosp.)等是南京地区梅花上的新记录,而丛枝则属国内外梅花上的首次报导.梅花的侵染性病害,以炭疽病、褐斑穿孔病(Cercospora circumscissa Sacc.)、斑枯病等较为常见,尤以炭疽病乃主要病害.在48种害虫中,有10种是1986年全市病虫普查后这次新增添的.其中数种,如梨小食心虫(Grapholitha molesta Busck)、绣线菊蚜(Aphis citricola Van der Goot.)、桃粉蚜(Hyalopterus arundinis Fabricius)、山楂叶螨(Tetranychus viennensis Zacher)和桃一点斑叶蝉(Erythroneura sudra Distant)较为严重.
This paper reports the investigation of 14 spots in Nanjing, such as parks with plum as the main material for gardening, and the nurseries where the planting of plum trees are concentrated. A total of 15 species of plum blight and 48 species of pests were identified. Among Plum Blight, Pestalotia guepini Desm., Colletotrichum mume Hori and Fumagosp. Are the new records on Plum Blossom in Nanjing, The first report of P. plum infection diseases, anthracnose, spot disease (Cercospora circumscissa Sacc.), Spot blight and other more common, especially anthrax is the main disease in 48 kinds of pests, 10 This was added after the city’s census of censuses in 1986. Several of them, such as Grapholitha molesta Busck, Aphis citricola Van der Goot., Hyalopterus arundinis Fabricius, Tetranychus viennensis Zacher and Erythroneura sudra Distant are more serious.