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今年盛夏普查病害时,我们走遍豫东、西、北、中的大部分花生产区,发现花生整块黄化,叶初发黄,后渐黄白,主脉显铁锈色不规则长条斑,有的甚至叶缘变褐而死亡,因而叶落使植株光杆,花生光合作用严重受阻。据初步试验认为是花生上一种生理性病害——缺铁黄化症。尤在杞县泥沟,尉氏县岗李,栾川县合峪,开封县的仇楼、半坡店、杏花营,通许县的冯庄、孙营,虞城、濮阳县农科所,中牟分所,开封市农科所等地已严重影响花生生产。经普查凡罹此病地块,在下述三种情况下发生者居多:
During the summer census, we traveled most of the flower producing areas in the east, west, north and east of China. We found that peanut lumps were yellowed, the leaves started to yellow and then turned yellow, the main vein was rusty and irregularly stripeted , And some even leaves edge browning and death, so leaves fall plant light pole, peanut photosynthesis severely hampered. According to a preliminary test that is a physiological peanut disease - iron deficiency disease. Especially in Qixian mud ditch, Weishi County Kong Li, Luanchuan County, the Kaifeng, Kaifeng County Banpo, Banpo shop, Xinghua Ying Tongxian Fengzhuang, Sun Ying, Yucheng, Puyang County Agricultural Science Institute , Zhongmu branch, Kaifeng City Agricultural Science Institute and other places have seriously affected the peanut production. The survey census where the disease block, in the following three cases occurred in the majority: