探讨了矮壮素和多效唑对草地早熟禾草坪质量的影响。结果表明 ,施用矮壮素延缓了草地早熟禾的生长速度 ,并且随着浓度的增加延缓作用随之加强。矮壮素减弱了草坪的抗病性 ,提高了整齐度 ,但对颜色有伤害作用。低浓度矮壮素能促进分蘖和地下生物量的积累。340 mg/ kg的多效唑延缓了草地早熟禾的生长速度 ,抑制分蘖和地下生物量积累 ,损伤其颜色、整齐度 ,减弱抗病性。综合考虑 ,草地早熟禾以施用 1 0 0 mg/ kg浓度的矮壮素较合适 The effects of CC and PP333 on turf quality of Poa pratensis were discussed. The results showed that the application of CCC slowed the growth of A. granosa, and with the increase of the concentration, the retardation strengthened. CCC weakens the disease resistance of the lawn, improves the uniformity, but has a harmful effect on the color. Low concentrations of CCA can promote the accumulation of tillers and underground biomass. The PP333 at 340 mg / kg delayed the growth of P. pulcherriforum, inhibited the accumulation of tillers and underground biomass, damaged its color, uniformity and weakened the disease resistance. Taken together, bluegrass is more suitable for application of CCC at a concentration of 100 mg / kg