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多效唑(MET)是植物生长延缓剂,应用于冬油菜的苗期,具有防冻保苗和壮苗,有明显的增产效应。结果如下: (一)对油菜防冻、保苗的效果 1987年冬本地气候反常是多年来罕见的,11月中旬和下旬前期气温较常年持续偏高,26日平均气温16.6℃,但在27日受强寒
Paclobutrazol (MET) is a plant growth retarding agent, applied to the seedling stage of winter rapeseed, has antifreeze seedlings and strong seedlings, with obvious yield-increasing effect. The results are as follows: (I) Effect of frost-proofing and seedling preservation on rapeseed In the winter of 1987, the local climate anomaly was uncommon over the years. The temperature in mid-November and early-last period continued to be relatively high compared with that in previous years, with an average temperature of 16.6 ℃ on the 26th. Strong cold