Cabbage stem medial black spots disease?       受害面积：

First of all, I would like to thank the advice of experts. I did not say clearly resentment. Chinese cabbage is about to mature in the (near Cabbage hold real-time), in the thin-skinned菜梗stems on the inside there is "dry" and "black spots", vegetables have no false pre-I did not. "Black spots" as people face the "freckle", and the higher the temperature the more black spots, black spots numerous. These black spots to eat vegetables, storage is no problem, that is ugly. No one wants to be. Even if vendors have to, and so on is to keep the prices down on白送. The past few years many of us here eat a lot of farmers suffered. Black spots in the autumn Chinese cabbage can be relatively less, but there are black spots of the stem there is a lot of skin is a dark yellow, which in turn are some of the shape of the dark yellow is down (root) drip percolation type, as The precursor is decomposed, but the storage, food had no impact. This "Dark Yellow" is not caused by a bacteria? Experts trouble once again be able to tell. Disease course can not send samples of the Post.刚接触my computer, it does not return photos. Thanks! ! ! Bo Wu 1 May, 2009