木萱草是一种水生的植物,也是危害水稻最严重的杂草。在辽宁东、北部的山区的稻田里生长甚多,影响了水稻生长发育,造成欠收的现象。木萱草的叶子很象扬扬用的木铣,地下茎能生成不定根长出茎叶,就象苦荬菜的串根子,很不好消灭。其叶片铺在水面上一层,挡住太阳光的照射,影响水稻生长发育慢;木萱地下根又很 Hemerocallis is an aquatic plant that is also the weakest endangering rice. In Liaoning eastern and northern mountainous areas in paddy fields grow very much, affecting the growth and development of rice, resulting in the phenomenon of under-income. Hemerocallis leaves Muyang like to use the wood milling, underground stems can generate adventitious roots grow stems and leaves, like the bitter gourd vegetable string root, it is not good to eliminate. Its leaves shop on the water layer, blocking the sun’s exposure, affecting rice growth and development of slow;