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THE INFLUENCE OF GRAMOXONE HERBICIDE ON THE CONTENT OF THE PHOTOSYNTHETIC PIGMENTS IN ZEA MAYS

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Author(s): Antoanela Patras | Vlad Artenie

Journal: Analele Ştiinţifice Ale Universităţii Alexandru Ioan Cuza din Iași,Sectiunea II A : Genetica si Biologie Moleculara
ISSN 1582-3571

Volume: 8;
Issue: 2;
Date: 2007;
Original page

ABSTRACT
The active substance of Gramoxone herbicide is interacting with plant’s photosynthetic systems, playing the role of final acceptor of the photosynthetic electrons. Except this known mode of action, it has been also observed the inhibitory action on the protoporphyrinogen oxidase – essential enzyme for chlorophylls biosynthesis, and also the decrease of photosynthetic pigment’s concentration in some spontaneous plants. Based on these prerequisites, the present study demonstrates the decrease of the photosynthetic pigment’s content in Zea mays in the presence of Gramoxone.

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