三唑酮与乙蒜素混剂对变叶木插穗生长的影响

用三唑酮6．25％＋乙蒜素93．75％混合配制成160mg／L至1600mg／L10种不同浓度的药剂，分别对变叶木插穗浸泡处理后扦插。试验结果表明，最佳处理的插穗生根数、根长、根径的平均值和最高成活率分别为45．2、31．8、1．47、80％，分别比对照提高了9．6、7．4mm、0．36mm、46．67％，所测指标均与对照的差异极显著（P〈0．01）。在160-400mg／L范围，处理浓度与插穗的生根数、根长、根径以及成活率的关系符合二次曲线模型（R2〉0．97）；统计分析结果，处理3h的最佳浓度为291mg／L。

Effect of Triadimefon and Ethylicin ixture on the growth of C. variegatum cuttings

Cutting reproduction experiments of C.variegatum were conducted by dipped treatment of Triadimefon 6.25% Ethylicin 93.75% mixture with different concentration from 160 mg/L to 1600 mg/L.The results showed that rooting number of cuttings reached 45.2,lengths of roots reached 31.8 mm,diameters of roots reached 1.47 mm and the highest cuttings survival rate was 80% with the optimal treatment,and improved 26.2,15.4 mm,0.25 mm,60% than other control groups respectively,the difference were very significant between the best treatment and control groups(P<0.01)in the roots of cuttings,lengths of roots,diameters of roots,and survival rate.The relationship between the items investigated and treatment dose during the concentration from 160 mg/L to 400 mg/L fited to the Quadratic model(R2>0.97).The statistical analyses indicated that the optimal treatment concentration was 291 mg/L for 3 h.