The root length and the number of lateral root of lettuce and starriness were significantly inhibited by the root exudates of lily cv.Pollyanna, and the other targets were not significantly inhibited.
波利安娜百合根系分泌对莴苣和满天星根长和侧根数作用均达到显著水(这可能是根系与化直接接触所致),但对这2种受体植其他指标作用均未达显著水;