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PRODUCTIVITY, ASCORBIC ACID SYNTHESIS AND CATALASE ACTIVITY IN LACTUCA SATIVA L. LEAVES UNDER PLASTIC FILMS // Tomsk State Pedagogical University Bulletin. 2013. Issue 8 (136). P. 55-60

Productivity of Lactuca sativa L. Lolla Rossa in the conditions of protected cultivation under fluorescent polyethylene film and polyethylene terephthalate films (lavsan) was studied in the article. The change in the conditions of plants, growing with the use of modified polymer films, contributes to accelerated growth, development and productivity of L. sativa in relation to plants grown under unmodified polyethylene film. Increase of L. sativa productivity was attended with growth of ascorbic acid (AA) level and change in catalase activity in plant leaves.

Keywords: unmodified polyethylene film, fluorescent film, lavsan, Lactuca sativa L., productivity, ascorbic acid, catalase