萝卜空心症是沿着萝卜膨大根的中柱原产生的空洞,从膨大根尖端附近到顶部,空洞逐渐扩大,这是萝卜根部发的一种生理障碍。在膨大根尖端产生空洞时,为害较轻,若空洞继续向上扩大,则变得不能出售。青森县旱作园艺试验场为确立萝卜空心症的防治方法,从品种间的差异、播种期,施肥条件和发 Radish hollow heart is a hole along the roots of radish swollen root cavity, from the swollen root near the top to the top, the cavity gradually expanded, which is radish root hair a physiological disorder. Vulnerability in the expansion of the root tip when the less harmful, if the hole continues to expand upward, it becomes unable to sell. Aomori Dryland Horticultural Experimental Site To establish radish hollow prevention and control methods, from the differences between varieties, sowing time, fertilization conditions and hair