Phylloxera
2007年06月17日1402514
This is a word most grape growers don't want to hear. It's a kind a an inset which is widely distributed and very destructive to grape crop. It can ruin the roots and leaves of grape trees. And in Chinese we call it 葡萄根瘤蚜虫。他是一种黄色的蚜虫，以葡萄树的根和叶为食。他们会在生长的根和叶上造成瘤。而这些蚜虫就生活在根瘤的表面和叶瘤的内部。