不同处理对野罂粟种子萌发特性的影响

为了明确野罂粟种子的萌发特性,研究了不同的温度条件以及不同浓度的KH2PO4、GA3、6-BA、PEG溶液浸种处理对野罂粟种子萌发的影响。结果表明,野罂粟种子萌发的最适温度为变温(25℃12 h,15℃12 h),发芽率为78%;0.10%~1.00%KH2PO4处理对野罂粟种子萌发都有促进作用,浓度为0.10%时最高,发芽率为94%;赤霉素对野罂粟种子萌发有促进作用,野罂粟种子在赤霉素浓度为200 mg·L-1时最高,比对照提高了13%;不同浓度6-BA浸种对野罂粟种子萌发效果不太显著。在变温(25/15℃)、200 mg·L-1赤霉素条件下,野罂粟种子发芽率可达99%。

Effect of Different Treatments on Seed Germination Characteristics of Papaver nudicaule

In order to investigate germination characteristics of Papaver nudicaule seeds,this experiment studied the seed germination of Papaver nudicaule with different temperatures and concentrations of KH2PO4,GA3,6-BA,and PEG. The results showed that the best temperature was the variable temperature of 25℃ 12 h,15℃ 12 h,at which the germination rate reached78%. 0. 10%. 1. 00% KH2PO4 improved the germination rate of Papaver nudicaule seeds,among which 0. 1% KH2PO4 enhanced the seeds germination rate at 94%. GA3 could also improve the germination rate. compared with the control,200 mg·L^-1 GA3 increased the germination rate by 13%. The improving effect of different concentrations of 6-BA wasn＇t significant.The variable temperature from 25℃ to 15℃ combined with 200mg·L^-1 GA3 enhanced the germination rate of Papaver nudicaule reaching 99%.