【摘 要】
：
１９９１年在西班牙南部，不同品种的芒果树均见到一种新细菌病害。症状为顶芽坏死和叶片的斑点，甚至叶柄、花梗和茎上也有斑点。叶片的斑点先为水渍状，多角形（在叶脉间）、直径约１～３ｍｍ，最后变成黑
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１９９１年在西班牙南部，不同品种的芒果树均见到一种新细菌病害。症状为顶芽坏死和叶片的斑点，甚至叶柄、花梗和茎上也有斑点。叶片的斑点先为水渍状，多角形（在叶脉间）、直径约１～３ｍｍ，最后变成黑色斑。斑常愈合，稍成凸起。田间发病都在低温多雨季节，一般在１...
In southern Spain in 1991, different varieties of mango trees saw a new bacterial disease. The symptoms are apical bud necrosis and leaf spotting, and even spots on petioles, pedicels and stems. Leaf spots first water-like, polygonal (in the veins), a diameter of about 1 ~ 3mm, and finally become black spots. Spot healing, slightly raised. Field incidence are in the low temperature and rainy season, generally in 1 ...
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