1.缺钾症猕猴桃缺钾的田间最初症状是在萌芽时表现生长弱。严重缺钾植株的叶片小、淡绿色,同时在老叶上出现轻微的叶缘失绿。随着缺钾进一步发展,老叫叶缘向上卷曲,尤其是在夏季中午的高温期更明显。这种症状经过夜晚到次日可能消失而出现非常类似缺水的症状。以后罹病叶片变成永久性向上 1. Potassium deficiency Kiwifruit potassium deficiency in the first symptoms of the field when the performance of germination is weak. The leaves of the severely potassium-deficient plants are small and pale green, while a slight leaf margin chlorosis appears on the old leaves. With the further development of potassium deficiency, the old called the leaf edge curly up, especially in the summer at noon high temperature more obvious. This symptom can disappear overnight to appear very similar to symptoms of water shortage. After diseased leaves become permanent upward