植物生长调节剂浸种对苦荞麦幼苗的影响

Effect on Tartary Buckwheat Seedlings after Soaked by Plant Growth regulating liquid

苦荞麦种子经不同的植物生长调节剂以及不同浓度的溶液浸种,对出苗和幼苗生长有不同的影响.用低浓度（1～100mg/L）的α-萘乙酸液浸种能促进出苗和幼苗的生长,浓度过高（500mg/L）有抑制作用;较高浓度（100～500mg/L）的赤霉酸会降低出苗率,但能促进地上部分的生长和干物质的增加;N6-苄基腺嘌呤降低出苗率,但能促进根叶生长;多效唑抑制幼苗生长的同时却能增加叶绿素含量,但低浓度（1 mg/L）多效唑液表现出促进幼苗生长的效应.

That soaked with different plant growth regulator and different concentration solution will have different influence on tartary buckwheat seeds shooting and seedling growth, low concentration solution （ 1 - 100 mg/L） of NAA soaking can promote seeds shooting and seedling growth, while higher concentration （500 mg/L） has a restrictive effect;A high concentration solution of GA3 lowers the seedling rate, but enhances the growth of plant above earth and adds the weight of dry matter, 6-BA lowers seedling rate, but promotes the growth of roots and leaves, a low concentration solution（ 1 mg/L） MET promotes seedling growth ,while a higher concentration has a distinctive restrictive effect.