NaCI胁迫对罗布麻种子萌发及胚生长的影响  

Impact of NaCl Menace over Apoceynum venetum L.Seed Bourgeoning and Embryo Growth

作　　者：张秀玲[1] 李妍[1] 郑世英[1] 王立燕[1] 

机构地区：[1]德州学院,253023

出　　处：《种子世界》2007年第6期28-30,共3页Seed World

摘　　要：通过采用不同浓度的NaCl胁迫,研究NaCl对罗布麻种子的发芽率、发芽速度、发芽指数、胚根、胚芽的影响,并对解除盐胁迫后的发芽率、胚根和胚芽的生长进行测定分析。结果表明,低浓度的NaCl(≤50mmol/ L)促进种子萌发,高浓度的Nacl(≥200mmol/L)抑制种子萌发;NaCl溶液对罗布麻胚、胚根和胚芽的生长有明显的抑制作用,盐胁迫解除后,罗布麻种子的发芽率随原盐浓度增加呈降低的趋势。It looks into the effects of different concentrations of NaCl menace over Apoceynum venetum L. Seed germination rate, budding speeding, budding index, embryo root and its bud, and conducts determinative analysis over germination rate, embryo root its embryo growth. It shows that low concentration of NaCI（≤ 50mmol/L） is conducive to seed germination and high concentration of NaCI（≥ 200 mmol/L） does the opposite; NaCl solution obvious restrains the growth of embryo, embryo root and its bud. Rid of salt menace, the Apoceynum venetum L. seed germination rate becomes lower and lower with the ever higher salt concentration.

关 键 词：NACL胁迫 罗布麻 发芽率 胚生长 

分 类 号：S512.1[农业科学—作物学]