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试验研究了PEG引发结合杀菌剂对两批莴苣种子发芽和带菌量的影响。结果表明，用－1．25MPaPEG8000溶液，在20℃黑暗条件下引发莴苣种子7d，漂洗后干燥2d，能显著减轻35℃高温下的热休眠，提高种子的发芽率，显著增加35℃、20℃和15℃下的发芽指数。PEG引发后种子与杀菌剂FunabenT和Apron35SD混合减轻热休眠的效果最好，两样品中，以生活力较低的样品2效果较佳，发芽率从零提高到65．5％。在不适宜的发芽温度（15℃）下，PEG、PEG结合杀菌剂引发处理增加了两个样品的发芽率。PEG结合杀菌剂FunabenT和Apron35SD处理能显著减少真菌对种子的感染。两种杀菌剂在35℃、20℃和15℃三种温度下对种子发芽率、发芽势无不良影响，相反，它们对减轻热休眠有明显的正效应。
The effects of PEG-induced bactericide on the germination and inoculation capacity of two batches of lettuce seeds were studied. The results showed that the seeds of lettuce were induced by darkness at-20 ℃ for 7 days and rinsed for 2 days after being treated with -1.25 MPa PEG8000 solution, which significantly reduced the thermal dormancy at 35 ℃ and increased the germination rate of seeds at 35 ℃ and 20 ℃ And germination index at 15 ° C. After mixing with fungicide FunabenT and Apron35SD, the best effect of reducing the heat dormancy was found when the seed was introduced with PEG. The lower viability of the sample 2 was better, and the germination rate increased from zero to 65.5%. At unfavorable germination temperature (15 ° C), the PEG, PEG-binding germicidal priming treatment increased the germination rate of both samples. Treatment with fungicides Funaben T and Apron 35 SD in combination with PEG can significantly reduce fungal infection of the seeds. The two fungicides had no adverse effect on seed germination rate and germination potential at 35 ℃, 20 ℃ and 15 ℃. On the contrary, they had a significant positive effect on reducing heat dormancy.