１茎与叶１．１中上部叶片叶缘呈整齐的镶金边状，组织一般不坏死，上部叶片骤然变小，部分叶片叶面呈降落伞状，生长点紧缩。多是由于施肥过多，土壤浓度过大，根系吸水、吸肥受阻所造成的生理障碍。此时，可同时观察到根一般呈锈色，根尖齐钝。１．２定植后不久，黄瓜上... 1 stalks and leaves 1.1 in the upper leaves were neat edge of gold-plated edges, the organization is generally not necrosis, the upper leaves suddenly become smaller, part of the leaf leaves were parachute, growth point tightening. Mostly due to excessive fertilization, soil concentration is too large, water absorption, absorption of obstruction caused by physiological disorders. At this point, you can also observe the root of the general rusty, apical blunt. Shortly after planting 1.2, the cucumber ...