| abstract |
There are provided plants of Papaver somniferum for the production of codeine, methods for providing the plants, and poppy straw, concentrate of poppy straw, latex, opium and codeine from the plants. The plants have codeine as the predominant alkaloid. Also disclosed are plants in which a stably inheritable high codeine chemotype trait is linked to a recessive trait for lighter leaf colour. Methods of producing such plants through the exposure of parent plant lines to mutagenizing agents are also disclosed. |