Iron deficiency-Soya bean

อาการ
Iron deficiency symptoms on soybean are interveinal chlorosis of the upper, new leaves. With progressing deficiency, the complete leaf including the veins turns yellow to white. Brown or whitish necrotic spots may occur near the leaf edge.

เหตุผล
Iron deficiency Soybean cultivars differ in their tolerance of Fe deficiency. Fe and Mn deficiency symptoms are difficult if not impossible to tell apart.

อาการ
Beginning interveinal chlorosis of the upper, new leaves due to iron deficiency.

เหตุผล
Iron deficiency Soybean cultivars differ in their tolerance of Fe deficiency. Fe and Mn deficiency symptoms are difficult if not impossible to tell apart.

อาการ
Beginning interveinal chlorosis of the upper, new leaves due to iron deficiency. Chlorosis starts on the leaf base and proceeds along the midrib.

เหตุผล
Iron deficiency Soybean cultivars differ in their tolerance of Fe deficiency. Fe and Mn deficiency symptoms are difficult if not impossible to tell apart.