多效唑使水仙制矮的机理
The Mechanism of Dwarfing Effect of PP-333 on Narcissus
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摘要: 水仙商品球水养时,在水中加入一定量的植物生长延缓剂——多效唑,促使过氧化物酶活性提高,单位重量叶片的叶绿素含量增加,叶片老健、挺拔、苍绿,植株矮小,株形紧凑,有效地防止了徒长,提高了观赏价值。Abstract: The commercial bulbs of narcissus(Narcissus tazetta)are often excessive growth in the condition of weak sunlight and low temperature in winter hydroponics. After the treatment by PP-333, the activity of Per-oxidase was enhanced. the content of chlorophyll of leaf per unit weight was increased. Meanwhile, after PP-333 Treatment, the plant shape becomes compact and dwarf. So that the ornamental value of hydroponic narcissus was increased.