Bright yellow chlorosis of entire leaf in younger leaves except extreme tip regions; older leaves pale yellow-green, mainly in basal regions, with yellowing of veins more than interveinal areas.

• 甜椒幼苗缺铁：幼叶整个叶片除了叶尖部位全部黄化，主要在基部的老叶叶脉黄化，失绿。