Abstract: It was conducted that cucumber seedlings were induced by copolymer of chlorine and potassium ions with 0.2%, 0.5%, 1.0%, 1.5% and 2.0% concentration at stage of cotyledon and the first leaf, The results showed that Soluble suger content were higher than that of control, and the tendency that increased firstly, then decreased, they were maximum after induced 15 days. Chlorophyll content present the tendency as that of soluble suger content, control and treatments change slowly at the initial stage of induced, increased sharply after 10 days, they reached the peak base after induced 15 days, all treatmeats were higher than control obviously. the content of tannin increased instantly after induce, the content of treatments and control were the largest after 15 days. ferulic acid content change slowly at the prophase, rised sharply after 15 days, which reached the peak base after 20 days. Chlorogenic acid content rised shaply after induced, which were maximum after induced 5 days. Lignose content of treatments were higher than that of control. when the concentration of copolymer of chlorine and potassium ions were 0.5% to 1.5%, the physiological and biochemical index of treatments changed obviously.

Key words: Copolymer of chlorine and potassium ions, Induce, Cucumber leaves, Substance content

CLC Number: 

• S642.2

• S432