发现君子兰烂根,应立即把植株从盆中轻轻磕出,扒掉根土,把烂根摘除剪掉,用高锰酸钾水冲洗根部,再用纸烟灰或细炉灰涂抹伤口,然后放在阳光下晒10分钟左右,利用紫外线杀菌.如肉质根已烂掉半数以上,可放细沙中催根;如只有少数根烂掉,可直接移栽到经过消毒处理的营养土中,半个月内控制浇水,两个月后可恢复生机.如果肉质根已全部烂掉,也不要把植株扔掉,可把烂根全部剪除,洗净根茎,涂纸烟灰或细炉灰 Found gentle blue Langen, should immediately plant gently knocked out from the pot, peeled off the roots, the rotten roots removed, washed with potassium permanganate root, and then the paper soot or fine ash smear the wound, and then Placed in the sun for about 10 minutes, the use of ultraviolet disinfection. If the fleshy roots have rotten more than half, you can put the sand in the reminder; if only a few roots rot, transplanted directly to the treated soil after disinfection, Half a month to control the watering, two months after the resumption of life .If the fleshy roots have all rot, do not throw away the plants can be all cut off rotten roots, wash rhizomes, coated paper ash or furnace ash