求翻译：Mconie和Lee等在致病性实验中发现在柑橘上存在2类Guignardia菌株,一类是在柑橘上具有致病力能引起黑斑病,即Guignardia citricarpa.而另一类不具有致病性,即非致病菌 Guignardia mangiferae是什么意思？

pathogenicity experiments, such as mconie and lee citrus 2-class guignardia strain, and one is in the citrus virulence can cause black spot, that is guignardia citricarpa while the other non-pathogenic, that is, non-pathogenic bacteria guignardia mangiferae

In Lee Mconie and pathogenicity in the lab there is found in citrus fruits, class 2, class Guignardia strains are pathogenic in citrus, with a force that can cause 黑斑病 Guignardia citricarpa. And the other is not pathogenic, that is, non-pathogenic bacteria Guignardia mangiferae

Mconie and Lee and so on in the pathogenic experiment discovered has 2 kind of Guignardia strains on the citrus fruits, one kind has the pathogenicity on the citrus fruits to be able to cause black spot disease, but namely Guignardia citricarpa. another kind does not have the pathogenicity, namely n

Mconie and Lee on found in the pathogenicity of citrus such as there are 2 types of strains of Guignardia, one which in pathogenicity causing black spot on citrus, Guignardia citricarpa. pathogenicity and the other does not have, that is, non-pathogenic bacteria Guignardia mangiferae

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