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柑桔黑星病(Phoma citricarpa McAlp.)主要为害果实。果实受害后,降低品质,不耐贮运,严重时引起落果和腐烂。该病在我国一些柑桔产区为害甚重,近年来又有发展、蔓延的趋势,值得引起注意。对该病国内外曾有许多研究,明确在谢花后开始喷波尔多液、代森锌、代森锰、苯来特等杀菌剂均有较好的防治效果。1972至1975年我们在重庆等地开展了柑桔黑星病发病规律及其防治研究,并引用了部分过去试验资料。现将结果整理如下,以供参考。
Phoma citricarpa McAlp. Mainly harmful to fruits. Fruit damage, reduce quality, intolerance storage and transportation, causing serious declines and decay. The disease is very damaging in some citrus producing areas in our country. In recent years, it has another trend of development and spread and deserves our attention. There have been many studies both at home and abroad about this disease, and it is clear that Bordeaux mixture, dexamethasone, dexmedetomidine and benilate are effective in preventing and treating bactericides after they begin to blossom. From 1972 to 1975, we carried out the research on the incidence and control of black spot disease of citrus in Chongqing and other places, and cites some past experimental data. The results are now organized as follows for reference.