Irregular marginal and interveinal yellow green chlorotic areas, followed by general interveinal chlorosis and profuse brown necrotic spotting and scorching, typical also of field conditions.
Irregular marginal and interveinal yellow green chlorotic areas, followed by general interveinal chlorosis and profuse brown necrotic spotting and scorching, typical also of field conditions.
菜豆锰中毒：不规则边缘和脉间区开始黄绿色，接着全部脉间失绿，并有大量褐色坏死斑点，最后枯萎。也是典型的田间情况。