柑桔缺铁黄化病,在以枳壳作砧木的成年树上发生严重,山地石灰性紫色砂土柑桔园也经常发生。柑桔植株缺铁的明显症状是叶片黄化,新梢幼嫩,新叶仅主脉绿色外,其余部分均黄化;失绿程度加剧时,叶面失去光泽,叶破裂或成褐色,最后叶片脱落,出现许多无叶枝条,削弱树势,影响产量和果实品质。柑桔缺铁是柑桔缺素症中较难矫治的一 Citrus iron deficiency yellow disease, Citrus aurantium as a rootstock adult tree serious, mountain lime purple soil citrus often occur. The obvious symptoms of iron deficiency in citrus plants are leaf yellowing, young shoots young, new leaves only main veins green, the rest are yellowing; extinction of the degree of exacerbation, the leaves lose luster, leaf rupture or brown, and finally Leaves off, there are many non-leaf branches, weakening the tree vigor, affecting yield and fruit quality. Citrus deficiency of iron deficiency is more difficult to treat one