关于滨海柑桔失绿黄化病缺铁的诊断在前已作了阐明。但据进一步试验证实,滨海柑桔失绿黄化病除缺铁外,还伴有锰的缺乏,缺锌的问题还有待进一步验证。 由于缺锰症受缺铁症的影响,使缺锰症状表现不明显,往往被隐匿和混淆。为了搞清失绿黄化病的原因,使缺锰判断正确,故对柑桔缺锰诊断进行了研究。现将试验结果报告如下。 The diagnosis of iron deficiency in coastal citrus chlorosis has been clarified. However, further tests confirmed that coastal citrus chlorosis yellowing disease in addition to iron deficiency, but also associated with the lack of manganese, zinc deficiency remains to be further verified. As the lack of manganese deficiency by the impact of iron deficiency, manganese deficiency symptoms so obvious, often hidden and confused. In order to find out the causes of the loss of green yellow disease, so that the lack of manganese to determine the correct, so citrus manganese deficiency diagnosis was studied. The test results are reported below.